Product Overview
SA709 Grade 50W / SA709 Gr50W is a high-strength low-alloy structural steel plate primarily designed for bridge construction and other demanding structural applications.
With excellent mechanical properties and good weldability, this steel grade offers superior durability and corrosion resistance, making it ideal for long-term exposure to outdoor environments.
Production Size
Thickness: 4mm - 400mm
Width: 1000mm - 4000mm
Length: 4000mm - 12000mm
Production Capacity: 10,000 tons per month
Manufacturing Process: Hot Rolled, Quenched (Q), Tempered (T)
Technical Details
Chemical Composition (%)
|
Grade / Material |
Element |
Composition (Max - Min) |
|
SA709 Grade 50W / Gr50W |
C |
Max 0.20 |
|
Mn |
0.75 - 1.35 |
|
|
Si |
0.15 - 0.40 |
|
|
P |
Max 0.04 |
|
|
S |
Max 0.05 |
Mechanical Properties (MPa)
|
Grade / Material |
Property |
Value |
|
SA709 Grade 50W / Gr50W |
Tensile Strength |
Min 485 |
|
Yield Strength |
Min 345 |
|
|
Elongation |
Min 18% |
|
|
Impact Test |
Optional |
Applications
SA709 Grade 50W steel plates are extensively used in the construction of:
Highway and railway bridges
Structural components requiring high strength and toughness
Large-scale infrastructure projects exposed to harsh environments
Why Choose SA709 Grade 50W
High strength and excellent toughness ensure structural safety and durability.
Superior corrosion resistance reduces maintenance costs in atmospheric exposure.
Versatile heat treatment options for customized mechanical properties.
Manufactured according to strict international standards to ensure quality.