12Cr12Ni3Mo2VN C12MV - GB /T 41157.3-2022

Grade	12Cr12Ni3Mo2VN
China ISC	C12MV
Corresponding Standard	GB /T 41157.3-2022 Fasteners for nuclear power plants— Part3: Bolts, screws and studs made of corrosion-resistant stainless steel
Classification	Martensitic Stainless Steel

12Cr12Ni3Mo2VN Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①	Cr	Ni	Mo	N	V
Minimum Value	0.08	-	0.5	-	-	11	2	1.5	0.02	0.25
Maximum Value	0.15	0.35	0.9	0.025	0.015	12.5	3	2	0.04	0.4

12Cr12Ni3Mo2VN Mechanical Properties

product	Test Temperature	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
Bolts, Screws, Studs; d≤64	Room Temperature	850~1050	≥700	≥0.2d	0°C: ≥40
Bolts, Screws, Studs; d≤64			≥570

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