1Mn18Cr18N - JB /T 7030-2002 - H2ABC

中文版

Grade	1Mn18Cr18N
Corresponding Standard	JB /T 7030-2002 Specification for nonmagnetic retaining ring forgings for 300MW to 600MW turbine generators
Classification	Austenitic Stainless Steel

1Mn18Cr18N Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	N	B	Al
Minimum Value	-	-	17.5	-	-	17.5	0.47	-	-
Maximum Value	0.12	0.8	20	0.05	0.015	20	-	0.001	0.03

1Mn18Cr18N Mechanical Properties

condition	Test Temperature	Mark	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
Forging		Ⅰ	≥970	970~1100	≥17	≥55	Test temperature 20~27°C ≥102
Forging		Ⅱ	≥1030	1030~1170	≥15	≥53	Test temperature 20~27°C ≥82
Forging		Ⅲ	≥1070	1070~1210	≥15	≥52	Test temperature 20~27°C ≥75

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