S20C - Q/ASB 271-2025

Grade	S20C
Corresponding Standard	Q/ASB 271-2025 Hot-Rolled Steel Plates and Strips for Structural Use
Classification	Carbon Steel

S20C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni ^①	Cu ^①	More
Minimum Value	0.18	0.15	0.3	-	-	-	-	-	Ni+Cr≤0.35
Maximum Value	0.23	0.35	0.6	0.03	0.03	0.2	0.2	0.3	Ni+Cr≤0.35

① Residual elements.

S20C Corresponding Standards(Same grade name, different standards)

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