Products Specification
Production Size: Thickness: 4mm- 400mm; Width: 1000mm- 4000mm; Length: 4000mm- 12000mm.
Production ability:10000 Tons Per Month.
Production Way: Hot Rolled, Quenched( Q), Tempered( T)
Chemical Composition( %)
|
Grade/ Material |
Element |
Composition( Max-A, Min-I) |
|
SA709 Grade HPS70W/ SA709 GrHPS70W |
C |
A:0.11 |
|
Mn |
1.10-1.35 |
|
|
Si |
0.30-0.60 |
|
|
P |
A:0.02 |
|
|
S |
A:0.006 |
Mechanical Properties( Mpa)
|
Grade/ Material |
Tensile Test |
MPa |
|
SA709 Grade HPS70W/ SA709 GrHPS70W |
Tensile Strength |
585-760 |
|
Yield Strength |
I:485 |
|
|
Elongation |
I:19% |
|
|
Impact Test( if any) |
|
Products Applications
SA709 Gr HPS 70W is a high-strength, low-alloy structural steel plate designed for demanding civil engineering and infrastructure projects. With its superior tensile strength, impact toughness, and weldability, this steel grade is particularly suited for bridge construction and heavy structural applications where both load-bearing capacity and long-term durability are critical.
Bridge Construction:
Widely used in girders, deck plates, floor beams, and trusses.
Ideal for long-span bridges due to its high tensile strength (minimum 485 MPa) and ability to withstand dynamic loads from traffic and wind.
Suitable for highway and railway bridges, where cyclic stress and fatigue resistance are essential.
Heavy Infrastructure Projects:
Applied in overpasses, viaducts, and elevated highways.
Supports columns, beams, and load-bearing frameworks, ensuring structural stability and safety under heavy loads.
Marine and Offshore Structures:
Can be used in ports, docks, and offshore platforms, thanks to its enhanced atmospheric corrosion resistance and impact toughness.
Industrial and Utility Structures:
Employed in crane frames, industrial machinery, and large-scale fabrication projects, where high strength, weldability, and dimensional stability are required.


