ASTM A283 Grade C Steel Plate for General Structural Applications

Posted:2026-02-03 15:21:39

ASTM A283 Grade C is a medium‑strength carbon steel plate designed for general structural fabrication where reliable forming performance and stable weldability are required. With higher strength than Grade A and Grade B, A283 Grade C provides a balanced combination of mechanical properties and cost efficiency, making it suitable for construction components, welded structures, and light‑duty engineering applications. Its consistent performance allows fabricators to achieve dependable results in cutting, bending, and welding operations.
Chemical Composition

Element	C	Mn	P	S	Cu
Max %	≤ 0.24	≤ 0.90	≤ 0.035	≤ 0.040	≤ 0.20

Mechanical Properties

Property	Yield Strength	Tensile Strength	Elongation
Requirement	≥205 MPa	380–515 MPa	≥ 20–24%

Applications
General structural components
Welded parts and fabrication work
Building supports and frames
Light‑duty engineering structures
Tanks, covers, and non‑pressure plates

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