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A572

A572 steel is a high-strength, low-alloy structural steel commonly used in construction and engineering applications. It is known for its excellent strength-to-weight ratio, making it ideal for heavy-duty structures such as bridges, buildings, and machinery.
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A572 steel is a high-strength, low-alloy structural steel commonly used in construction and engineering applications. It is known for its excellent strength-to-weight ratio, making it ideal for heavy-duty structures such as bridges, buildings, and machinery. A572 steel is produced with a combination of elements that enhance its mechanical properties, including carbon, manganese, phosphorus, sulfur, silicon, and small amounts of alloying elements such as vanadium and columbium. This steel grade offers exceptional weldability and toughness, allowing for efficient fabrication and reliable performance in demanding environments. Its versatility, durability, and cost-effectiveness have contributed to its widespread use in various industries where strength and structural integrity are paramount. A572 is available in 5 grade variations that yield points ranges from 42 to 65 ksi.

 

A572 Steel is available for supply on following forms;

  • Plates

  • Bars

  • Structural Shapes

  • Channels

  • I Beams

  • Angles

  • Wide Flange Beams

  • Sheets Pilings

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Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

Chemical Properties
Steel Grade C [%max] Mn [%max] P [%max] S [%max] Si [%min - max]
ASTM A572 Gr. 42 0.21 1.35 0.030 0.030 0.15 - 0.40
ASTM A572 Gr. 50 0.23 1.35 0.030 0.030 0.15 - 0.40
ASTM A572 Gr. 55 0.25 1.35 0.030 0.030 0.15 - 0.40
ASTM A572 Gr. 60 0.26 1.35 0.030 0.030 0.40
ASTM A572 Gr. 65 0.26 1.35 0.030 0.030 0.40
Mechanical Properties
Steel Grade Yield Strength [min] Tensile Strength [min] Elongation [A2]
ASTM A572 Gr. 42 42 ksi (290 MPa) 60 ksi (414 MPa) 20 %
ASTM A572 Gr. 50 50 ksi (345 MPa) 65 ksi (448 MPa) 18 %
ASTM A572 Gr. 55 55 ksi (379 MPa) 70 ksi (483 MPa) 17 %
ASTM A572 Gr. 60 60 ksi (414 MPa) 75 ksi (517 MPa) 16 %
ASTM A572 Gr. 65 65 ksi (448 MPa) 80 ksi (552 MPa) 15 %
Cross Reference of Equivalent Grades
ASTM A 572/A 572M EN 10025 BS 4360 JIS G3106
Grade 42 S275 43C / 43D SM400A
Grade 50 S355 50C / 50D SM490A
Grade 55
Grade 60
Grade 65 S460

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