15CrMo - NB /T 47008-2017

Grade	15CrMo
Corresponding Standard	NB /T 47008-2017 Carbon and Alloy Steel Forgings for Pressure Equipment
Classification	Alloy Steel

15CrMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.12	0.1	0.3	-	-	0.8	-	-	0.45
Maximum Value	0.18	0.6	0.8	0.025	0.01	1.25	0.3	0.2	0.65

15CrMo Mechanical Properties

thickness t mm	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
t≤300	N+T or Q+T (Tempering Temperature ≥620°C)	480~640	≥280	≥20	* 118~180	20°C ≥47
300<t≤500	N+T or Q+T (Tempering Temperature ≥620°C)	470~630	≥270	≥20	* 115~178	20°C ≥47
t≤300		≥240
		≥225
		≥215
		≥200
		≥190
		≥180
		≥170
		≥160
300<t≤500		≥245
		≥230
		≥215
		≥205
		≥190
		≥180
		≥170
		≥160
		≥150

15CrMo 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"!