ASTM A53 Class B ERW Resistance Welded Structural Steel Pipe
Introduction to ASTM A53 Class B Resistance Welded Structural Steel Pipes
ASTM A53 Class B is a standard specification for black steel pipes and hot-dip galvanized steel pipes (including welded and seamless steel pipes) developed by the American Society for Testing and Materials (ASTM). ASTM A53 Class B resistance welded (ERW) steel pipes are commonly used in various industries for transporting water, gas, and oil. Below are some key characteristics and specifications of ASTM A53 Class B resistance welded steel pipes.
Mechanical Properties of ASTM A53 Grade B ERW Steel Pipe:
|
Grade
|
Rm Mpa Tensile Strength |
Mpa Yield Point |
Elongation |
Delivery Condition |
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
Precision Forming System for ASTM A53 Class B Resistance Welded Steel Pipes
The precision forming control system for ASTM A53 Class B resistance welded structural steel pipes employs multi-stage roll forming technology. A programmable logic controller (PLC) monitors key parameters such as tension, roll speed, and forming angle during the steel strip forming process in real time. The system is equipped with a laser diameter gauge and thickness gauge, achieving outer diameter tolerance control within ±0.5% and wall thickness tolerance within ±10%. A dynamic correction device automatically adjusts the steel strip trajectory to ensure the pipe's roundness and straightness meet ASTM A53 standard requirements, ultimately achieving high-precision and stable production of welded pipe dimensions.
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GNEE STEEL has focused on steel exports for twenty years, relying on a 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 provides one-stop services from procurement to cross-border distribution for energy and infrastructure projects, and its products have been exported to more than 40 countries worldwide.
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