HSLA steel ASME SA572 Gr 50
SA572Gr50 is a high strength low alloy niobium-vanadium structural steel plate.
The standard is divided into five grades: SA572GR42 (290), SA572GR50 (345), SA572GR55 (380) for riveted, bolted or welded structural components, SA572GR60 (415) and SA572GR65 (450) for riveted and bolted structural components for bridges or welded structural components for other purposes.
SA572 gr.50 low alloy steel material chemical composition
| Grade | C | Mn | P | V | Ni | Co | S | Si |
| SA572 Grade 50 | 0.23 | 1.35 | 0.04 | 0.06 | 0.015 | 0.05 | 0.05 | 0.4 |
SA572 Gr.50 High-Strength Low Alloy (HSLA) Steel Plates mechanical property
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Brinell | 135 | 135 | based on conversion from tensile strength |
| Hardness, Rockwell B | 74 | 74 | based on conversion from tensile strength |
| Tensile Strength, Ultimate | 450 MPa | 65300 psi | |
| Tensile Strength, Yield | 345 MPa | 50000 psi | |
| Elongation at Break | 18 % | 18 % | In 200 mm |
| 21 % | 21 % | In 50 mm | |
| Bulk Modulus | 160 GPa | 23200 ksi | Typical for steel |
| Shear Modulus | 80.0 GPa | 11600 ksi | Typical for steel |
SA572 gr.50 HSLA Low Alloy High Strength Steel Plate Products Details
Execution standard: ASTM A572/A572M.
Specification: 8-300mm thickness, can be fixed length and width and rolled.
Delivery status: hot rolled, control rolled, normalized, etc.
Technical requirements: flaw detection, Z15 Z35 thickness direction performance requirements, high strength and high toughness requirements, etc. steel plate.
SA572Gr50 is the American standard low alloy plate, equivalent to the domestic grade Q345. generally used in construction and various types of engineering machinery, such as mining and various types of engineering construction drilling rigs, electric shovels, electric wheel dump trucks, mining cars, excavators, loaders, bulldozers, various types of cranes, coal mine hydraulic support and other mechanical equipment and other structural components.
SA572 gr.50 high strength low alloy steel plate Products image
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