30NC 11 - NF A 35-557-1983

30NC 11 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.27	0.1	0.35	-	-	0.6	2.5
Maximum Value	0.34	0.4	0.6	0.035	0.035	0.9	3

30NC 11 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
Bar, coil; d = 40	Oil Quenching	-	-	-	HR42	-
Bar, Coil; d=28	Oil Quenching	-	-	-	HR45	-
Bar stock, coil; d = 16	Oil Quenching	-	-	-	HR48	-
Bars, coiled bars; d≤16	Quenching and Tempering	1030~1230	≥850	≥11	-	Charpy U Notch ≥50
Bar, Coil; 16<d≤40	Quenching and Tempering	950~1150	≥770	≥11	-	≥50

Approximate Comparison Table Structural Alloy Steel

30NC11 Corresponding Standards(Same grade name, different standards)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!