Home > Products > Tube Making Machine > ERW Steel Pipe Production Line/Tube Mill
ERW Steel Pipe Production Line/Tube Mill
- 10 Set / Sets per Month
- Nanjing
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Product Details
Condition: | New | Type: | Pipe Welding Machine | Pipe Material: | Carbon Steel |
Application: | Drain Pipe | Place of Origin: | Jiangsu, China | Brand Name: | Zhongqing |
Model Number: | 12'' HF Pipe Welding Line | Power(W): | for different needs | Dimension(L*W*H): | for different needs |
Weight: | for different needs | Certification: | ISO-9001-2008 | Warranty: | 12 months |
After-sales Service Provided: | Engineers available to service machinery overseas |
Product Description
ERW Carbon Tube Making Machineine
Introduce:
12" Pipe Welding Line is mainly used to weld round and square/ rectangular pipes. This line utilizes roll forming to process steel strip into various shapes. It is also capable of producing closed profile of various diameters and sizes by high frequency induction heating and welds seam squeezing.
Advantages:
(1) Realizes complete common-use of roughing mill rolls, with parameters of each roll for different products stored in quick setting system. When same pipe is to be reproduced, this quick setting system can set and adjust roll positioning automatically by recalling parameters for this pipe size, maintaining constant dimensional accuracy for same pipe size produced in different production batch.
(2) Capable of accommodating wide size range (OD range 1:3, thick/diameter ratio range 1%~10%)
(3) Superior end forming capability
(4) Superior overall shape control capability
(5) Uses continuous edge bending forming to realize good forming performance
(6) Use involutes roll caliber and curl forming to realize common use of upper and lower rolls.
(7) Use multi-section W-forming and shortened vertical roll section to restrain rolling effectively.
325 Parameters:
Raw material :
Thickness: 3.0~14.0mm (X70≤11.0mm)
Width: 350~1050 mm
Coil weight: 20~25t
Coil ID: Φ760 mm;
Material: Q235;Q345B;J55;X70
Finished product :
Round: 4" (114) – 12" (325 mm )
Cut-to-length: 6~13m
Welding speed: 12~35m/min
Designing guideline
To improve the serviceability and productivity
To meet safety requirements of multi-product small-batch production
To improve the environment and safety in operation
To improve the stability of the product quality
To improve the yield of the line
To reduce cost of the equipment
If solid state high frequency welder of 600kW is used, welding speed is estimated as follows:
| 3.5mm | 8.0mm | 12.7mm | 14.0mm |
114 | 35 | 24 | 13 | 12 |
219 | 30 | 24 | 15 | 12 |
325 | — | 24 | 15 | 12 |
Technical standards: API 5L API 5CT GB/T 3091 JIS G3452 JIS G3444 JIS G3445 ASTM A513 EN 10219
Steel grade: Line pipe: A, B, X42, X46, X52, X56, X60, X65, X70
Petroleum casing pipe: H40, J55, K55
Structural pipe: Q215, Q235, Q345, 20#
12" OD production target, 4000 working hours/year
Spec |
OD |
Wall thick |
Average thickness |
Average weight/m |
Average speed |
Average working time |
Annual production |
inch | mm | mm | mm | kg/m |
|
| t/a |
6-5/8" | 168.28 | 4.0~12.7 | 6.35 | 25.36 | 20 | 1000 | 30432 |
8-5/8" | 219.08 | 4.0~12.7 | 7.14 | 37.31 | 20 | 1000 | 44772 |
10-3/4" | 273.05 | 4.0~12.7 | 7.92 | 51.82 | 20 | 1000 | 62184 |
12-3/4" | 323.85 | 4.0~12.7 | 7.92 | 61.74 | 20 | 1000 | 74088 |
total |
|
| 211476 |
Delivery:
Within 8 months from the date after signature of the contract and receipt of the downpayment.
Warranty:
The warranty will cover a period of one year starting from delivery for machines under normal operation conditions (Force Majeure excluded)
Contact Us
- Nanjing Zhongqing Machine Making Co., Ltd.
- Contact nameBing Yu
- Phone86-25-84497725-13305193900
- AddressNo. 532-1,Zhongshan East Road,Baixia District, Nanjing Nanjing,Jiangsu
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