АС30ХМ AS30KhM - GOST 1414-1975

Grade	АС30ХМ
Other Names
Corresponding Standard	GOST 1414-1975 Structural Steel of Improved and High Machinability
Classification	Alloy Steel
Properties	Good Machinability

АС30ХМ Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Pb	More
Minimum Value	0.27	0.17	0.4	-	-	0.8	-	-	0.15	0.15	P+S≤0.06
Maximum Value	0.33	0.37	0.7	0.035	0.035	1.1	0.3	0.3	0.25	0.3	P+S≤0.06

АС30ХМ 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
d≤15	Guenching 860 - 880°C, oil cooling, Tempering 510 - 560°C, air cooling	≥880	≥735	≥12		KCU: ≥98J/cm2
d≤35	Calibration and tempering	≥780	≥630	≥12	≤285

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