12Cr2Mo1 - NB /T 47008-2017

Grade	12Cr2Mo1
Corresponding Standard	NB /T 47008-2017 Carbon and Alloy Steel Forgings for Pressure Equipment
Classification	Alloy Steel

12Cr2Mo1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	-	-	0.3	-	-	2	-	-	0.9
Maximum Value	0.15	0.5	0.6	0.02	0.01	2.5	0.3	0.2	1.1

12Cr2Mo1 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 ≥680°C)	510~680	≥310	≥18	125~180	20°C
300<t≤500	N+T or Q+T (Tempering Temperature ≥680°C)	500~670	≥300	≥18	125~180	20°C
t≤300			≥280
			≥270
			≥260
			≥255
			≥250
			≥245
			≥240
			≥230
			≥215
300<t≤500			≥275
			≥265
			≥255
			≥250
			≥245
			≥240
			≥235
			≥225
			≥215

12Cr2Mo1 Corresponding Standards(Same grade name, different standards)

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