X12Cr12 - IS 6603-2001

Grade	X12Cr12
Corresponding Standard	IS 6603-2001 Stainless Steel Bars and Flats — Specification
Classification	Martensitic Stainless Steel

X12Cr12 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo ^*
Minimum Value	0.08	-	-	-	-	11.5	-	-	-
Maximum Value	0.15	1	1	0.04	0.03	13.5	1	0.3	0.3

X12Cr12 Mechanical Properties

form	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
Bar, flat material	Quenching + Tempering	590~780	≥410	Bar >5~100mm: ≥16 Flat bar >30-30mm: ≥16	Annealing hardness: ≤212	U-type notch: ≥60※

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