12Cr2MoWVTiB A32128 - GB 5310-1995

Grade	12Cr2MoWVTiB
China ISC	A32128
Corresponding Standard	GB 5310-1995 Seamless Steel Tubes and Pipes for High Pressure Boiler
Classification	Alloy Steel

12Cr2MoWVTiB Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^①	Cu ^①	Mo	Ti	W	V	B
Minimum Value	0.08	0.45	0.45	-	-	1.6	-	-	0.5	0.08	0.3	0.28	0.002
Maximum Value	0.15	0.75	0.65	0.03	0.03	2.1	0.3	0.2	0.65	0.18	0.55	0.42	0.008

• Steel produced by oxygen converter and secondary refining outside the furnace has a nitrogen content not exceeding 0.008%

12Cr2MoWVTiB Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Normalizing + Tempering: Normalizing temperature 1020~1060°C, Tempering temperature 760~790°C	540~735	≥345	long. ≥18	long. ≥35 tr. ≥27

12Cr2MoWVTiB Corresponding Standards(Same grade name, different standards)

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