steel pipes automatic mill for Internal Surface Finishing

Features of steel pipes automatic mill for Internal Surface Finishing
1,Overall dimensions:28m×2m×2m(L×W×H).
2,Heavy model pipe inner grinding machine :Grinding head wheel grinding pressure controlled by the air pressure of PLC programme.Grinding head wheel go up and down electrically controlled by elevator.
 3,Light model pipe inner grinding machine :Grinding head wheel grinding pressure, are controlled by a spring and balance weight.Grinding head wheel go up and down electrically controlled by elevator
4,Steel pipe inner circular grinding machine model is divided into three specifications :heavy, medium,and light
(1)Heavy model:Long rod grinding wheel spindle diameter φ168mm;
(2)Medium model:Long rod grinding wheel spindle diameter φ140mm;
(3)Light model:Long rod grinding wheel spindle diameter φ86mm;

steel pipes automatic mill

welcome http://www.greatwall-machinary.com/contact/

ATC Woodworking entry-level Automatic Furniture Making Machine

ATC Woodworking entry-level Automatic Furniture Making Machine standard features include a 12 HP HSD high frequency automatic tool changer spindle with an 8 Position tool holder rack(in linear type or rotary carousel type, multi-zone vacuum t-slot table combination, and material placement stops and are manufactured using global state-of-the-art techniques with all steel construction.
If you want to buy welded Tube making machine,please contact us.
Advantages
1.) Big steel tube welded structure, after aging and tempering treatment, reliable and stable and not easy to deformation.
2.) Top-quality components, HSD ATC spindle, Delta inverter, TBI ball screw, Yaskawa servo motors, Syntec control system and so on.Long-time working time, high precision and efficiency.
3.) Carrousel Tool Magazine system with 8 forks and 4 tool holders , which is loaded with the spindle, make the machine change tools quickly and save time.
4.) Many optional configuration and OEM service available. According to your requirement, different configurations will be offered.

welcome http://www.greatwall-machinary.com

Cold Roll Forming Line Machine

Cold Roll Forming Line Machine MAIN DETAILED SPECIFICATION
(1) Coil Width: About 850mm
(2) Suitable Coil Thickness: 0.3-0.7mm
(3) Suitable Raw Materials: Pre-painted steel coil, Galvanized steel coil, Aluminum coil;
(4) Forming steps: About 14 steps, that means 14 rollers
(5) Roller material: 45# steel; , with hard chrome on surface, polishing
(6) Length tolerance: ±2.0mm
(7) Line speed: 15m/min
The quality requirement and suitable environment of production line
(1) The production line adopts new components, each component use high quality material, assorted machine, hydraulic system and electrical control system use advanced and reliable brand.
(2) Each unit of production line is running reliable, long use and convenient operation and maintenance can be insured, requirements working environment as below:
Power supply: 380V(±10%), 50HZ, 3Ph

Cold Roll Forming Line

welcome http://www.greatwall-machinary.com/

Our mainly produce steel tube production line

Shijiazhuang Great Wall is the pioneer that has the key processing and internationally advanced technology of whole-set welded pipe mill. We are qualified ISO 9001:2000 Quality Management System company.Our mainly produce steel tube production line.
Steel wire reinforcing soft pipe for dust collector and Extension tube production line
The extrusion line is used to produce PVC soft pipe with steel wire reinforcing. The pipe wall is soft PVC plastic, in which there are spiral steel wire. The pipes have the strong point of pressure and corrosion resistance and antistatic. It is used to convey the pressure or corrosive gas and liquid, vent impure liquid. It is widely used in such areas as mechanical engineering, chemical industry, architecture, agriculture irrigation, vacuum device and dust collector soft pipe.
Spiral soft pipe for dust collector production
The PVC and PE spiral reinforcing pipe have the advantage of pressure and corrosive resistance, negative pressure and bend resistance. It is used to convey the gas, liquid and powder material. It is widely used in industry, agriculture, architecture, water conservancy irrigation and dust collector.

steel tube production line

welcome http://www.greatwall-machinary.com/news/

Welded Tube making machine

High-frequency ERW straight seam pipe making machine,which called Welded Tube making machine,for the whole prodcution line, at first, the coil is loaded at the uncoiler, then but-welding the ends of coil, delivering to accumulator. After accumulator, the strip is pulled from accumulator contiousely by fixed speed, is formed to opened-pipe at forming machine, then welded by High frequency welder, de-burred, cooled, shaped and sized as round pipe and rectangluar&square pipe at the sizing area. Then the sized pipe is straightened after Turkey-head device and then cutted to fixed length by flying saw. At last, the fixed pipe is delivered from run-out table and inspected at the table.
This line could produce the round pipe, the rectangular and square pipe by material of cold/hot-rolled coil etc. It could be used at the metallurgy, construction, transportation, machinery, automobile industry. Adopting "W" forming type, it could make much more reasonbale force, and much more perfect forming shape at each stand etc.

Welded Tube making machine

Process of the Production Line
Raw material (strip steel roll) - Material feeding - End cutting and butt welding (hand welding) - Strip storage cage - Material feeding and forming - High frequency welding - Removing outer burr - Cooling water jacket - Fix the diameter and straightening - Cut off with flying saw - Material unloading (Manually stow and bind up) - Inspection - Storehouse

steel tube production line

Carbon/steel tube production line

steel tube production line

Automatic pipe spool production line is specially designed for pipe prefabrication industry. It can choose different unit and design for different requirements. Unit to unit are connected by logistics system, which realizes a line work process as loading, cutting, beveling, fitting-up, spot welding, root welding, filling welding, cap welding and so on with a high efficiency work.
The piping fabrication system is unique production line to solve TIG/MAG root welding, it can realize to weld with 0-5mm gap in root pass that could control quanlity easily. The whole prodcution can solve uploading,automatic length control, trasport, unloading, fit-up, welding and other process.

welcome http://www.greatwall-machinary.com/

Double Cone Manual operation Uncoiler

Uncoiler is the important equipment of front preparation in weding pipe mill,maily used to hold stell strip to make coils unfold,supplying raw material for the production line.Double Cone Manual operation Uncoiler is of kind of uncoiler is suitable for small and medium-sized units

Double Cone Manual operation Uncoiler

Strip width: 30-600mm
Strip thickness: 0.5- 6mm
Coil ID: ≤ Ø610 mm
Coil OD: ≤ Ø1800mm
Coil weight: ≤ 3T
Type:Welded Pipe Line Assistant Equipment Un-coiler
Tags:HF Pipe Mill Line Accessories and Spare Parts

Un-coiler is the main assist equipment in the pipe line, used to support and fix the coil, providing material for the production line. Its braking is controlled by all-line linkage, making sure that the coil won’t loose during the production.

This article comes from http://www.greatwall-machinary.com/news/

steel tube production line

The steel tube production line is intended for manufacturing of round pipe of Φ16mm-Φ50mm with thickness of 0.5mm-2.2mm from cold-rolled and hot-rolled coil strip by means of unclosed tubular blank with its subsequent welding into tube, edge heating by means of solid state high-frequency welder, longitudinal seam welding in rolls of tube welding machine, cooling, further sizing or shaping and on-stream cutting of endless tube in measured lengths.Finished product will be of round, square or rectangular pipe.

 steel tube production line

The  production flow
{SteelTape}→→ Double-head un-coiler →→Strip-head Cutter and welder→→
Cage loop→→Forming section(Flattening unit +Main driving unit +Forming unit +Guide unit +High frequency induction welding unit +squeeze roller)+ Removing External and burr Machine→→Cooling unit →→ Sizing unit and straightener →→Flying saw under computer-control →→ Run-out table

Steel Pipe Specification
1. Pipe diameter: Ø16-Ø50mm
2. Pipe Thickness: 0.5- 2.2mm
3. Square Pipe: 13X13mm -40X40mm
4. Rectangle Pipe: 10X20mm -30X50mm
5. Pipe Thickness:  0.5 - 1mm
6. Pipe Length:  6-9m
7. Length Tolerance:0-6mm

This article comes from http://www.greatwall-machinary.com/news/

Stainless Steel Welded Pipe Line

The HF (ERW) Stainless Steel Welded Pipe Line is used to produce building materials pipe, which is widely used for building material,drain and energy supply pipe.building and decoration profiles , extruded profiles , building profiles ,cold  bending profiles , etc.

Stainless Steel Welded Pipe Line

The welded pipe size for diameter and wall thickness:
The carbon steel pipe diameter can be customized from 25-606mm with wall thickness 0.5- 25mm for different kinds of application.

Components
1. Uncoiler
2. Horizontal Accumulator
3. Forming and Sizing Mill
4. Welding Equipment (Mechanical Part)
5. Sizing Stands
6. Computer-Controlled Flying Saw
7. Run Out Table

This article comes from http://www.greatwall-machinary.com/contact/

steel pipes automatic mill line

This steel pipes automatic mill line is specially used for producingΦ20-Φ80mm, δ1-4.0mm high-frequency straight seam welded pipe and corresponding square pipe (17*17-62*62mm,1.2-3.0mm). The composition of equipment is from uncoiler to fixed length cutting saw. Rolling speed can be according to suitable range of pipe diameter and wall thickness.

 steel pipes automatic mill line

Applicable material
1 Raw material: Low-carbon steel,
2 Thickness of steel strip: 1.0-3.5mm
3 The width of steel strip: 60-240mm
4 I.D. of steel coil: Φ450-Φ550mm
5 O.D. of steel coil: Φ800-Φ1200mm
6 Maximum weight coil: 2500kgs

Dimension range of processing steel pipe
1 O.D of pipe: Φ20-Φ80mm
2 Wall thickness: 1.0-3.5mm (square pipe :1.2-3.0mm)    
3 Length: 4-8m
4 Milling speed: 60-70m/min
5 High-frequency equipment power: 250 KW (Solid state)
6 Voltage:380V/440V,50HZ

Main components
1 Uncoiler: 1 set
2 Shearing and butt-welder: 1 set
3 Accumulator: 1 set
4 Forming. Welding &sizing unit: 1 set
5 Computer-controlled tracking cutting saw: 1 set
6 Run-out table: 1 set
7 Solid-state high-frequency welder: 1 set

This article comes from http://www.greatwall-machinary.com/contact/

ERW Pipe Mill Line

ERW Pipe Mill Line PRODUCT DESCRIPTION:
High-frequency ERW straight seam pipe making machine, for the whole prodcution line, at first, the coil is loaded at the uncoiler, then but-welding the ends of coil, delivering to accumulator. After accumulator, the strip is pulled from accumulator contiousely by fixed speed, is formed to opened-pipe at forming machine, then welded by High frequency welder, de-burred, cooled, shaped and sized as round pipe and rectangluar&square pipe at the sizing area. Then the sized pipe is straightened after Turkey-head device and then cutted to fixed length by flying saw. At last, the fixed pipe is delivered from run-out table and inspected at the table.
This line could produce the round pipe, the rectangular and square pipe by material of cold/hot-rolled coil etc. It could be used at the metallurgy, construction, transportation, machinery, automobile industry. Adopting "W" forming type, it could make much more reasonbale force, and much more perfect forming shape at each stand etc.

ERW Pipe Mill Line

ERW Pipe Mill Line MAIN FUNCTIONS:
JF16 Pipe-making machine line mainly applied in manufacturing electronic heating pipes and refrigerators pipes and suitable sizing thin-wall pipes.
JF20, JF32, JF45 Pipe-making machine line mainly applied in manufacturing frame-tubes and fitness equipment tubes.
JF50, JF60, JF76, JF89, JF114Pipe-making machine line mainly applied in manufacturing frame-tubes and fitness equipment tubes.
JF125, JF165, JF219,JF273 Pipe-making machine line mainly applied in manufacturing API pipe, pressure transmission pipeline, pressure tubing(penstock) and structural tube.

welcome http://www.greatwall-machinary.com/

welded pipe machinery factory

Founded in 1999, Shijiazhuang Great Wall Welded Pipe Equipment Co. Ltd is located in Shijiazhuang City, Hebei Province, which is a famous base of pipe mill industry in China. We are a high and new technology enterprise specialized in many kinds of welded pipe machinery.Great Wall is the "Honored Trustworthy Membership" by HeBei Quality and Technology Supervision Association.

welded pipe machinery

Specification of  Stainless steel Welded pipe making machine
1.HorizontalShaftDia(mm)：50
2.Vertical Shaft Dia(mm):30
3.Material：ss,cs,etc
4.Pipe Diameter(mm)：25.4-63.5
5.Pipe Thickness(mm)：0.5-3.0
6.Capacity(m/min)：1-4m/min
7.Major Power(KW)：11W×1'+5.5KW×1'
8.Installation Size(L*W)(m)：32×1.5

Automatic Production Process :
Feeding--Forming--Welding--Leveling Inside Welding Line--Grindin Outside Welding Line--Solid Solution Treatment--Final Sizing--Straightening--ting--Unloading etc

Welded Stainless steel industrial pipe making machine price
1.Production speed is 40% higher than peers
2.Replace the mould just 40 minutes
3.One person can operate 4-6 sets of machines
4.The yield more than 98%
5.Passed the IS09001:2000 international standard certification

This article comes from http://www.greatwall-machinary.com/Product/

Welded Tube making machine

Welded Tube making machine is mainly used to manufacture high quality  car exhausted pipe ,fluid pipe and sanitary pipe  as well as construction pipe.It has a wide application in different field and meets the need of industries at home and abroad.It also has the features like low cost,well performance and high precision.

Welded Tube making machine

Specification
Pipe range:114-219mm
Horizontal shaft diameter:100mm
Pipe thickness:1.2-6.0mm
Vertical shaft diameter:70mm
Main motor power:30kw
Main equipment size:14000*2300mm
Wheel head power:5.5kw*3

Our SWelded Tube making machine uses roll forming theory to coil long steel strip of a certain specification into pipe barrel without any intermittence and form longitudinal seam joint under the force of squeeze roller. And it use induction welding to heat longitudinal seam.

That is feed steel strip of a certain specification into the machine and coil it into pipe blank though forming roller. Then under skin effect and proximity effect of high frequency electric current, the current will be concentrated on the bond surface of the pipe fringe, welding it into pipe bank quickly. After cooling, sizing and broad straightening, the needed pipe will be produced.

This article comes from http://www.greatwall-machinary.com/Product/

Steel Pipe Making Machine

Steel Pipe Making Machine is designed to take a continously coiled flat strip, align the two edges together, put the edges in the right place while they are welded, and then size and straighten the finished tubular products to the required specifications.It is used for production of welded pipes in round, square, rectangular shapes and oval shapes of the corresponding sizes:

Steel Pipe Making Machine 

Components of machine in this line
1.Uncoiler
2.Feeding platform
3.Main molding parts
4.Control system
5.Hydraulic system
6.Receiving table

Working procedures:
Uncoiling-Branding-Roll Forming-Welding-Grinding-Sizing-Straightening-Lengh-fixing-Cutting -unloading

Characteristic:
1.Easy to replace the moulds, save working and increase efficiency.
2.Automatic control, easy to operate.
Reliable quality and performance.   Competitive price.    Excellent service after sale.

This article comes from http://www.greatwall-machinary.com/About/

Welded Pipe Making Machine

Welded Pipe Making Machine adopts advanced welding technology and offers dual welding arcs, increased speed, higher deposition, superior mechanical properties and quality. HG50, HG 79 high frequency welded pipe machine is widely applied for producing tubes for heat exchanger, refrigerator, frame of car, bicycle, fitness equipment, furniture, cooling machine, petrol transmission, construction industry, etc. This high frequency welded pipe making machine or welded pipe mill composes of a complete set of pipe forming machine, rotating capstan, decoiler, straightening machine, shearing,accumulator, tube mill section, flying saw and packaging device.

Welded Pipe Making Machine

Process Flow
Slit Coil ---- Un-Coiler ---- Snubber Roller ---- Pinch Roll & Leveling Machine ---- Shearing And Butter Welder ---- Storage/ Accumulator ---- Forming ---- Welding ---- Cooling ---- Sizing ---- Cutting Saw ---- Run Out Table ---- Finishing ---- Pipe Collecting and Packaging

Machine features
1)roller shaft diameter is big, amount is big, and mateiral 42CrMo.
2)equiped double motors, efficiency is good.
3)tue making effiency is high.tube straightness is good.
4)reliability is high and  failurate is low.
5)opeartion is convenient.
6)computer saw adopts shengyang brand, the quality is the best one in domestic.
7)high frequency welder adopts the best brand in china.

This article comes from http://www.greatwall-machinary.com/About/

600X6 Cold Roll Forming Line

Product Description
The 600X6 Cold Roll Forming Line is mainly used to produce Section C, Section L and all kinds of profile steel without welding.

Cold Roll Forming Line

This unit can also produce steel sheet pile which is used to fix earthwork in tunnel constructions or other foundation works.
Product model number: 600X6
Steel strip width: 600mm
Wall thickness: 2-6mm
Steel strip material: δB≤580Mpa, δS≤350Mpa, Mild steel & low alloy steel
Welding speed: 6-25m/min
Main motor power: 200Kw

Equipment composition:
The 600X6 Cold Roll Forming Equipment consists of an uncoiling machine, Unbender unit, initiative Flattening machine, cutter & butt welder, cold bending and forming unit, Computer flying saw or flying stamping, charge table, product line electric appliance

This article comes from http://www.greatwall-machinary.com/

This Steel Slitting Line is used to cutting a certain width and thick steel plate longitudinally to a present width, then it will be rolled to strip coils. This slitting line cut steel plates with passive tension speed. It applies to hot/cold rolled low-carbon, low-alloy steel in the fields of welded pipe production factory and steel production factory and other steel products industry. This production line is PLC control, it possesses characters of high shear accuracy, good strip dividing quality and wide application scope.

Steel Slitting Line

MAIN EQUIPMENT:
Feeding coil car
Uncoiler
Strip head Straightener
Pinching and leveling machine
Hydraulic crosscutting shear
Rotary shear machine
(Cut to length machine)
Curling machine
Transition platform
Recoiler
Hydraulic station

Characteristics:
1. Automatic procedure which is very easy to operate
2. High speed can make the high output amount to maximize the slitting machine's function and  value
3. Stable with the DC motors to make the whole line speed stable.rical control and operating table

This article comes from http://www.greatwall-machinary.com/

Welded pipe equipment

Founded in 1999, Shijiazhuang Great Wall Welded Pipe Equipment Co. Ltd is a professional Welded pipe equipment Manufacturer,We are a high and new technology enterprise specialized in design, development and manufacture of high frequency welded pipe line, ERW pipe mill line, precision pipe mill line, stainless steel pipe mill line, square and rectangular pipe mill line, cold roll forming equipment, slitting line, etc. Shijiazhuang Great Wall is the pioneer that has the key processing and internationally advanced technology of whole-set welded pipe mill. We are qualified ISO 9001:2000 Quality Management System company.

Welded pipe equipment

Specification
1.pipe O.D(round):89mm-219mm(Φ3ga.5~ Φen 8.6inch)
2.Square pipe:70X70mm-170X170mm
3.Wall thickness:4.0-8.0mm
4.length:4-12m
5.Speed:0-40m/min
6.Main motor:200Kwx2
7.H.F welder:600Kw

Craft Flow:
uncoiling→shearing and butt welding→material accumulating→flattening→forming system→high frequency induction welding machine→inside and outside burr removing frame→water cooling system→sizing system→leveling system→speed testing→Turkish frame→saw cutting→running out table

Machinery main components:
uncoil machine, forming welding machine,grinding machine, sizing machine, frame straightening, cutting machine, finished frame.

This article comes from http://www.greatwall-machinary.com/

ERW Pipe Mill Line

Greatwall ERW Pipe Mill Line is a series of machines that builds longitudinal weld seam pipe with steel strips of certain width. It starts by uncoil and flatten the slit steel coils into steel strips. The flattened steel strips will be inserted into the forming machine and the rollers in the machine will bend the strip to a round pipe shape. The round pipe will then be sent into the weld box where the tube is welded by a high frequency or solid state welder. The welded pipe will be formed to expected shape (round/ square/ rectangle etc) or size in a sizing machine. Finally the pipe will be cut to length and bundled.

ERW Pipe Mill Line

Main parameter
1.Diameter of Welded Tubes：60-165mm
2.Size of Square Tube (Max.)：127x127mm
3.Wall Thickness of Round Tube：2.0-6.0mm
4.Wall Thickness of Square & Rectangle Tube:2.0-5.0mm
5.Speed of Tube Welding:15-50m/min
6.Power of Major Motor:200KWx2
7.High Frequency Power:500KW

Process Flow
Slit Coil ---- Un-Coiler ---- Snubber Roller ---- Pinch Roll & Leveling Machine ---- Shearing And Butter Welder ---- Storage/ Accumulator ---- Forming ---- Welding ---- Cooling ---- Sizing ---- Cutting Saw ---- Run Out Table ---- Finishing ---- Pipe Collecting and Packaging

This article comes from http://www.greatwall-machinary.com/

Thin Sheet Slitting Line

Thin Sheet Slitting Line is also called slitting machine, is suitable for unwinding the metal coil into a strip, slitting it into narrower strips of the needed width and recoiling them for sale or the next procedure.

Thin Sheet Slitting Line

Main technical parameter
1.Material: Cold-rolled, hot-rolled carbon steel, galvanized steel.
2.Material thickness:0.3-3.0mm
3.Material width:800-1950mm
4.Coil I.D.: Φ508mm/Φ610mm
5.Coil O.D.: ≤Φ2000mm
6.Coil weight:20 tons max
7.Narrowest strip width slit into: 25mm (strip thickness≤1mm)
8.Width cutting precision: ±0.05mm(strip thickness≤1), ±0.1mm(strip thickness>1.5mm)
9.Slitting Bur: 0.03minimum, 5% of the trip thickness
10.No. of slitting: 25no.(thickness1mm), 12no.(thickness2mm), 7no.(thickness 3mm)
11.Line working speed: 150m/min max
12.Total power: Approx.210kw

Components
1.Loading coil car  2.Uncoiler  3.Straightener device   4.Pinch roll&leveler & hydraulic shearer   5.Loop pit   6.Side guide   7.Slitter   8.Transition platform & scrap winder   9.Loop pit   10.Tension station   11.Recoiler  12.Unloading coil car

This article comes from http://www.greatwall-machinary.com/product/Steel-Slitting-Line/Thin-Sheet-Slitting-Line/

Thick Sheet Slitting Line

Thick Sheet Slitting Line is used for processing the CR, stainless steel, pre-painted or galvanized steel coils less than 3mm thickness into narrow steel strip coils with desired width.

Thick Sheet Slitting Line

Specificaiton
1.Material:Cold Rolled Steel Coil; Galvanized Steel Coil; Pre-paint Steel Coil
2.Thickness:0.3-3.0mm
3.Width:1000 / 1300 / 1600 / 2000mm
4.Weight:10 / 15 / 20 / 25 / 30 T
5.Speed:0~120m/min
6.Slitter:20 pcs

Applications of Slitting Line
Then the strips can be used for milling, welding pipe, cold bend forming, stamping as billet. At the same time, changing different material blade can slit various metal coils.

Process Flow of Slitting Line
Decoiler ---- Pinch Roll & Leveler ---- Shear ---- Loop Bridge ---- Side Guide ---- Slitting Machine ---- Scrap Recoiler ---- Loop Bridge ---- Damping ---- Recoiler

This article comes from http://www.greatwall-machinary.com/product/Steel-Slitting-Line/Thick-Sheet-Slitting-Line/

High Speed Slitting Line

Our high Speed Slitting Line has workstations for uncoiling, slitting cut and rolling. It consists of feeding trolley, assisting support, decoiler, pincher, straigntener, slitting cutter, edging machine, tensional machine, recoiler machine, and downloading equipment, hydraulic system and so on. The whole line is controlled by PLC with computer display. This high Speed Slitting Line can help to improve efficiency, lower cost and ensure quality.

high Speed Slitting Line

The thickness of material can be from 0.15MM to 16MM, width from 600MM to 2500MM, quantity from 6 to 30 pieces, highest precision ±0.05MM and speed 200M/min. This line is applicable for processing of copper, aluminum, cold-reduced material, hot rolled material, silicon steel, and stainless steel and so on.


Specification
1.Suitable material:Carbon steel, stainless steel, other metal
2.Original coil ID:508mm
3.Original coil OD:Max. 1650mm
4.Original coil width:Max. 360mm
5.Materialthickness:0.1~1.5mm

Main components
1.Hydraulic loading car
2.Hydraulic expansion decoiler
3.Slitting machine (with scrape winding)
4.Tensioning device
5.Hydraulic expansion recoiler
6.Hydraulic unloading car
7.Control system
8.Hydraulic system

This article comes from http://www.greatwall-machinary.com/product/Steel-Slitting-Line/High-Speed-Slitting-Line/

Stainless Steel Welded Pipe Line

This Stainless Steel Welded Pipe Line is the main equipment for producing straight welded tubes in many departments, such as metallurgy, machinery, light industry, and building materials, etc. This welding tube mill can roll certain specification long steel belt into tube barrels, and then weld those tube barrels into tubes. And this machine can be used to manufacture profiled pipes as well as round pipes.

Stainless Steel Welded Pipe Line

1.Tube O.D.(mm) ：8-32
2.Tube wall thicknes(mm)：
round tube)0.3~1.3
square tube) < 1.0
3.Tube speed(M/min):20-120
4.Tube length(M):3~12

Applicable material:
(1) Hot or cold-rolled steel strip
(2) Material: Low-carbon steel, low alloy steel
(3) The thickness of steel strip: 0.8-3.0mm
(4) The width of steel strip: 60-240mm
(5) I.D. of steel coil: Φ450-Φ550mm
(6) O.D. of steel coil: Φ800-Φ1200mm
(7) Maximum weight coil: 2500kgs

Production process
strip coil--uncoil--shear and butt-welder--accumulator--levelling--forming--welding--external burr removing--cooling--sizing--straightening--cut size--packing

This article comes from http://www.greatwall-machinary.com/product/Pipe-Mill-Line-Tube-Mill-Line/Stainless-Steel-Welded-Pipe-Line/

Precision Welded Pipe Mill Line

This precision Welded Pipe Mill Line is specially used for producingΦ38-Φ127mm, δ1.5-4.5mm high-frequency straight seam welded pipe and corresponding square pipe and special-shaped pipe(δ≤3.5mm). The composition of equipment is from uncoiler to fixed length cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness.

precision Welded Pipe Mill Line

Applicable material:
1.Hot or cold-rolled steel strip
2.Material:Low-carbon steel, low alloy steel
3.The thickness of steel strip: 1.5-4.5mm
4.The width of steel strip: 120-400mm
5.I.D. of steel coil: Φ500-Φ600mm
6.O.D. of steel coil: Φ1000-Φ1500mm
7.Maximum weight coil: 5000kgs

Dimension range of processing steel pipe:
1.O.D.: Φ38-Φ127mm
2.Wall thickness:1.5-4.5mm(square pipe and special-shaped pipeδ≤3.5mm)
3.Length: 4-8M

This article comes from http://www.greatwall-machinary.com/product/Pipe-Mill-Line-Tube-Mill-Line/Precision-Welded-Pipe-Mill-Line/

High Frequency Welded Pipe Line

High Frequency Welded Pipe Line is specially used for producingΦ19-Φ63.5mm, δ0.8-2.5mm high-frequency straight seam welded pipe and corresponding square pipe and special-shaped pipe(δ≤2.0mm). The composition of equipment is from uncoiler to fixed length cutting saw. Rolling speed can be adjusted correspondingly within suitable range of pipe diameter and wall thickness.
Applicable material

High Frequency Welded Pipe Line

Specification
Hot or cold-rolled steel strip：As per GB700-88 or GB1591-88
Material
Low-carbon steel, low alloy steelδs≤345Mpa,δb≤610Mpa
The thickness of steel strip
0.8-2.5mm (As per GB708-88)
The width of steel strip
60-200mm
I.D. of steel coil
Φ450-Φ550mm
O.D. of steel coil
Φ800-Φ1200mm
Maximum weight coil
2500kg

Features
1)roller shaft diameter is big, amount is big, and mateiral 42CrMo.
2)equiped double motors, efficiency is good.
3) tue making effiency is high.tube straightness is good.
4) reliability is high and  failurate is low.
5) opeartion is convenient.
6) computer saw adopts shengyang brand, the quality is the best one in domestic.
7) high frequency welder adopts  the best brand in china.

This article comes from http://www.greatwall-machinary.com/product/Pipe-Mill-Line-Tube-Mill-Line/High-Frequency-Welded-Pipe-Line/