X 7 CrNi 18 9 - ISO 9329-4-1997

Grade	X 7 CrNi 18 9
Corresponding Standard	ISO 9329-4-1997 Austenitic Stainless Steels
Classification	Austenitic Stainless Steel

X 7 CrNi 18 9 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.04	-	-	-	-	17	8
Maximum Value	0.1	1	2	0.04	0.03	19	11

X 7 CrNi 18 9 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t ≤ 50, longitudinal	Quenching, 1050~1120℃, Water Cooling, Air Cooling	490~690	40	≥85
t ≤ 50, transverse	Quenching, 1050~1120℃, Water Cooling, Air Cooling	490~690	35	≥55

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