ASTM A53 Grade B is a standard specification developed by ASTM (American Society for Testing and Materials) for black and hot-dip galvanized, welded and seamless steel pipe. ASTM A53 Grade B ERW (Electric Resistance Welded) steel pipe is commonly used in various industries to transport water, natural gas and oil. Below are some of the key features and specifications of ASTM A53 Grade B ERW steel pipe.
Grade and Chemical Composition (%)of ASTM A53 Grade B ERW Steel Pipe:
Type
|
Grade |
C≤ |
M≤ |
P≤ |
S≤ |
Cu≥ |
Ni≤ |
Mo≤ |
Type E (electric-resistance welded) |
A |
0.25 |
0.95 |
0.05 |
0.045 |
0.4 |
0.4 |
0.08 |
B |
0.3 |
1.2 |
0.05 |
0.045 |
0.4 |
0.4 |
0.08 |
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 |
Application:
ASTM A53 Grade B ERW steel pipe is commonly used for conveying water, gas, steam, air, oil, and other fluids. It finds applications in various industries, including construction, infrastructure, oil and gas, and general engineering.
Testing and Inspection:
A53 Grade B pipes undergo testing to ensure compliance with the ASTM A53/A53M specifications. Common tests include hydrostatic testing, nondestructive electric testing (Eddy Current and Ultrasonic), and dimensional checks.
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