30CrMo - NB /T 47008-2017

Grade	30CrMo
Corresponding Standard	NB /T 47008-2017 Carbon and alloy steel forgings for pressure equipment
Classification	Alloy Steel

30CrMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^*	Cu	Mo
Minimum Value	0.27	0.15	0.4	-	-	0.8	-	-	0.15
Maximum Value	0.33	0.4	0.7	0.025	0.015	1.1	0.3	0.2	0.25

30CrMo Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤300	Q+T (tempering temperature ≥580°C)	620~790	≥440	≥15	0°C ≥41
t≤300			≥400
			≥380
			≥370
			≥360
			≥350
			≥335
			≥320
			≥295

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

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