ASTM A572 Gr 55 HSLA structure steel plate is produced in strict accordance with ASTM A572/ A572M standard, which is just the same with A572 Gr. 50 steel plates, one of the most popular low alloy structure steel materials used in the world.
ASTM A572 is used in a variety of structural applications, and is available in five grades: 42, 50, 55, 60 & 65.
ASTM A572 Gr 55 Steel Chemical Composition:
ASTM A572 is used in a variety of structural applications, and is available in five grades: 42, 50, 55, 60 & 65.
ASTM A572 Gr 55 Steel Chemical Composition:
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Standards |
Grades |
Chemical Element |
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C max. % |
Mn % |
S% |
P max% |
Si |
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ASTM A572 |
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Grade 55 |
0.25 |
≤1.35 |
0.05 |
0.04 |
≤0.04 |
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ASTM A572 Gr 55 Steel Mechanical Property:
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Standard |
Grade |
Yield strength Re |
Tensile strength Rm |
Minimum elongation % |
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MPa [ksi] |
MPa [ksi] |
min. 200 mm[8 in.] |
min. 50 mm[2 in.] |
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ASTM A572 |
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Grade 55 |
≥380 [55] |
≥485 [70] |
17 |
20 |
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ASTM A572 Gr 55 Equivalent Steel Grades
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EU EN |
USA - |
Germany DIN,WNr |
Japan JIS |
China GB |
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S355JR (1.0045) |
A572 A678Gr.A SSGrade50 |
St52-3 |
SM490A SS490 |
Q345B Q345C |
ASTM A572 Gr 55 steel plates are usually used in structural applications that require high strength per weight ratio, such as heavy construction equipment, building structures, heavy duty anchoring systems, boom sections, truck frames, poles, liners, conveyors, structural steel shapes, etc.
If you want to get ASTM A572 Gr 55/Grade 55 structure steel plate price, please do not hesitate to contact us.
If you want to get ASTM A572 Gr 55/Grade 55 structure steel plate price, please do not hesitate to contact us.
