20Cr1Mo1VTiB - GB /T 20410-2006

Grade	20Cr1Mo1VTiB
Corresponding Standard	GB /T 20410-2006 Steels for turbine bolts at high temperature
Classification	Alloy Steel

20Cr1Mo1VTiB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	B
Minimum Value	0.17	0.4	0.4	-	-	0.9	-	-	0.75	0.16	0.45	0.001
Maximum Value	0.23	0.6	0.65	0.025	0.025	1.3	0.3	0.25	1	0.28	0.65	0.005

20Cr1Mo1VTiB Mechanical Properties

diameter d 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
d=25	Quenching + Tempering	≥785	≥685	≥14	HBW10/3000 255~302	≥39
	High Temperature Tempering				≤248

20Cr1Mo1VTiB Corresponding Standards(Same grade name, different standards)

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