ASTM A53 GR.B Structural ERW Steel Pipe
Ready sizes: 4, 6, 8, 10, 12, 16, 18, 20 and 24 inch
ASTM A53 Gr.B Resistance Welded Pipe Product Description
ASTM A53 Gr.B resistance welded pipe is a carbon steel welded pipe manufactured according to the American Society for Testing and Materials (ASTM) standard, using a high-frequency resistance welding process. This product is suitable for conveying fluids such as water, oil, and gas, as well as for structural support. It is available in both black pipe and hot-dip galvanized types. All pipes undergo hydrostatic testing to ensure pressure resistance reliability, making it a commonly used and economical pipe material for industrial piping systems and building structures.
Outside Diameter at any point shall not vary from standard specified more than:
|
For NPS 1 1/2 and Smaller Sizes |
For NPS 2 and Larger Sizes |
||
|
1/64" |
1/32" under |
1% over |
1%under |
Tensile Requirements
|
|
Seamless and Electric-resistance-welded |
Continuous-Welded |
|
|
|
Grade A |
Grade B |
|
|
Tensile Strength, min., psi |
48,000 |
60,000 |
45,000 |
|
Yield Strength, min., psi |
30,000 |
35,000 |
25,000 |
ASTM A53 Grade B ERW structural steel Pipe Equivalent
|
UNS |
KS |
JIS |
DIN Type |
DIN Number |
EN |
|
K03005 |
SPPS42 |
STPG410 |
St45/St42-2/ST37 |
1629 /1626 |
1.0408/1.0040 |
Technical Process of Resistance Welded Pipe
Converter Steelmaking → Refining → Continuous Casting → Hot Rolling → Uncoiling → Steel Accumulation → Horizontal Welding → Strip End Shearing → Strip Leveling → Edge Milling → Ultrasonic Testing of Strip → Forming → Resistance Welding → Sizing → Air Cooling + Water Cooling → Online Weld Heat Treatment → Online Weld Ultrasonic Testing → Beveling → Hydrostatic Testing → Weld Ultrasonic Testing → Pipe Ultrasonic Testing → Appearance and Dimension Inspection → Coating → Marking → Length Measurement and Weighing → Packaging → Transportation
About our group
GNEE STEEL has focused on steel exports for twenty years, leveraging its global supply chain system to provide the international market with high-end welded pipes certified by EN and ASTM. With a professional team and mature logistics, it offers one-stop services for energy and infrastructure projects, from procurement to cross-border delivery.
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