ASTM A234 Longitudinal Welded Pipe
Introduce:
In the world of steel pipes, one common terms come up frequently: longitudinally welded pipe. This pipes play a vital role in various industries and serve a variety of purposes.
Longitudinal welded pipe, also known as straight seam welded pipe, is a steel pipe made of hot-rolled or cold-rolled steel plate or steel strip coil. Their name comes from the welding process, which occurs in a straight line along the length of the pipe. This approach ensures consistent weld quality and tight joints, preventing leaks and enhancing overall structural integrity.
Chemical Composition Of ASTM A234 WPB & WPC
|
Element |
Content, % |
|
|
ASTM A234 WPB |
ASTM A234 WPC |
|
|
Carbon [C] |
≤0.30 |
≤0.35 |
|
Manganese [Mn] |
0.29-1.06 |
0.29-1.06 |
|
Phosphorus [P] |
≤0.050 |
≤0.050 |
|
Sulfur [S] |
≤0.058 |
≤0.058 |
|
Silicon [Si] |
≥0.10 |
≥0.10 |
|
Chromium [Cr] |
≤0.40 |
≤0.40 |
|
Molybdenum [Mo] |
≤0.15 |
≤0.15 |
|
Nickel [Ni] |
≤0.40 |
≤0.40 |
|
Copper [Cu] |
≤0.40 |
≤0.40 |
|
Vanadium [V] |
≤0.08 |
≤0.08 |
*The Carbon Equivalent [C.E.=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15] shall be no greater than 0.50 and shall be reported on MTC.
Mechanical Properties Of ASTM A234 WPB & WPC
|
ASTM A234 Grades |
Tensile Strength, min. |
Yield Strength, min. |
Elongation %, min |
|||
|
ksi |
MPa |
ksi |
MPa |
Longitudinal |
Transverse |
|
|
WPB |
60 |
415 |
35 |
240 |
22 |
14 |
|
WPC |
70 |
485 |
40 |
275 |
22 |
14 |
*1. WPB and WPC pipe fittings manufactured from plates shall have a minimum elongation of 17%.
*2. Unless required, hardness value doesn’t need to be reported.
Longitudinal welded pipe:
On the other hand, straight welded pipes are manufactured using various welding techniques such as arc welding or resistance welding. These pipes are usually made from seamless or welded tube blanks, which are then formed into the desired shape. Longitudinal Welded Pipe offers exceptional strength and durability, making it ideal for industrial applications involving high pressure conditions or heavy loads.
Longitudinal welded pipes undergo a precise welding process to ensure uniform wall thickness throughout the pipe with minimal defects. This makes them an excellent choice for structural applications such as construction, scaffolding and piling.
Straight welded pipes, on the other hand, come in a variety of shapes and sizes. Their manufacturing process allows for customization, making them suitable for applications requiring specific dimensions or complex designs. In addition, longitudinally welded pipes are widely used in industries such as oil and gas, automotive, and aerospace due to their superior strength and stress resistance.
Company expertise:
If you are looking for reliable LSW Pipes, Cangzhou Spiral Steel Pipe Group Co., Ltd. is a trusted name in the industry. The company has 13 special production lines for spiral steel pipes, 4 production lines for anti-corrosion and heat preservation, and has the professional technology and equipment required for the production of high-quality steel pipes.
In conclusion:
In summary, straight welded pipe offer unique benefits depending on the specific requirements of your project or application. Longitudinal Welded Pipe stands out for its consistent weld quality and structural stability, while Longitudinal Welded Pipe offers versatility in shape and size. By understanding these differences, you can make an informed decision when selecting the plumbing that best suits your needs. For quality and reliability, trust Cangzhou Spiral Steel Pipe Group Co., Ltd., a company dedicated to excellence in steel pipe production.
