Products Description
A572 steel stands out as a powerhouse in the world of structural materials. Certified by the American Society for Testing and Materials (ASTM), this high-strength, low-alloy (HSLA) grade steel is designed to provide exceptional strength-to-weight ratios.
Structural applications that demand both high strength and durability without adding unnecessary weight often use this material. A572 steel's remarkable weldability adds to its versatility, making it a top choice for everything from towering bridges to robust machinery, where reliability and performance are non-negotiable.
Products Specification
Width:1500-4020mm
Thickness:8mm-300mm
Length:3000-27000mm
Supply Condition :As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement.
Impact tested :-52° C
Tempering:Notch toughness can be improved by quenched cooling from hot rolling or normalizing by the supplier. If such a faster cooling rate is agreed upon between purchaser and supplier then the steel is also to be tempered at 1200 F.
Applications :Used for weld fabrication of pressure vessels that require improved notch toughness for lower than ambient temperature service.
Process of Manufacturing :Hot-Rolled (HR)
ASTM A572 chemical composition
| Standard | Grs | Chemical Element | ||||
| C max. % | Mn % | S% | P max% | Si | ||
| ASTM A572 | Gr 42 | 0.21 | ≤1.35 | 0.05 | 0.04 | ≤0.04 |
| Gr 50 | 0.23 | ≤1.35 | 0.05 | 0.04 | ≤0.04 | |
| Gr 55 | 0.25 | ≤1.35 | 0.05 | 0.04 | ≤0.04 | |
| Gr 60 | 0.26 | ≤1.35 | 0.05 | 0.04 | ≤0.04 | |
| Gr 65 | 0.23 | ≤1.65 | 0.05 | 0.04 | ≤0.04 | |
ASTM A572 mechanical property
| Standard | Gr | Yield strength | Tensile strength | Minimum elongation % | |
| MPa [ksi] | MPa [ksi] | min. 200 mm[8 in.] | min. 50 mm[2 in.] | ||
| ASTM A572 | Gr 42 | ≥290 [42] | ≥415 [60] | 20 | 24 |
| Gr 50 | ≥345 [50] | ≥450 [65] | 18 | 21 | |
| Gr 55 | ≥380 [55] | ≥485 [70] | 17 | 20 | |
| Gr 60 | ≥415 [60] | ≥520 [75] | 16 | 18 | |
| Gr 65 | ≥450 [65] | ≥550 [80] | 15 | 17 | |
Typical Applications and End Uses
| Industry/Sector | Specific Application Example | Key Steel Properties Utilized in this Application | Reason for Selection (Brief) |
|---|---|---|---|
| Construction | Bridges | High yield strength, weldability | Structural integrity |
| Automotive | Frame components | Good ductility, strength | Lightweight design |
| Energy | Wind turbine towers | Corrosion resistance, strength | Durability in harsh conditions |
| Manufacturing | Heavy machinery | Toughness, machinability | Fabrication ease |
A572 steel is commonly used in construction, automotive, energy, and manufacturing sectors due to its high strength and versatility. Its ability to withstand various loads and environmental conditions makes it a preferred choice for critical structural components.
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