ASTM 430 Welded Steel Pipe
To ensure the performance of ASTM 430 Welded Steel Pipe during manufacturing, it is important to control several key process parameters:
Chemical Composition: Adherence to the specific chemical composition requirements, including chromium, carbon, silicon, and other elements, is essential for achieving the desired properties .
Welding Process: The choice of welding method, such as TIG, MIG, or submerged arc welding, can significantly affect the quality of the weld. The use of appropriate welding parameters like current, voltage, and travel speed is crucial .
Heat Treatment: Annealing after welding can help,and reduce residual stresses that could lead to distortion or cracking.
Cold Working: If the pipe will undergo cold working, the level of deformation must be controlled to achieve the desired strength and ductility without introducing excessive cold work hardening.
Inspection and Testing: Regular inspections, including visual, radiographic, ultrasonic, and etching tests, are necessary to ensure there are no defects or imperfections in the weld or material .
Finishing: The surface of the pipe should be free of scale, rust, and other contaminants. A smooth, clean finish is important for corrosion resistance and appearance.
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Thickness |
1~4mm |
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Length |
1~12m |
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Standard |
BS1139/EN39/EN10219/MS1462 ,ASTM , BS OR DIN, JIS and etc. |
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Surface Treatment |
Mild steel paint finish, hot dip galvanized, pre galvanized, color coated, etc. |
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Technology |
ERW |
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Processing method |
Bending, Welding, Decoiling, Cutting, Punching, Polishing or as customer's request |
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Size Tolerance |
±1%-3% |
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Weight Calculation |
Weight(kg)=Thickness(mm)*Width(m)*Length(m)*Density(7.85g/cm3) |
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ASTM 430 Welded Hairline Mirror Steel Pipe
FAQ:
Q1: Do you provide samples? Is it free or extra?
A1: Yes, we can provide samples free of charge and the customer will pay the freight.
Q2: What if I don't have export experience ?
A2: We have reliable forwarder agent which can ship items to you by sea/air/Express to your doorstep. Any way, we will help you choose the most suitable shipping service.
Q3: How long is your lead time?
A3: If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
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