17Cr18Ni9 2Cr18Ni9 - GJB 2294A-2014

Grade	17Cr18Ni9
Old Grade
Corresponding Standard	GJB 2294A-2014 Specification for Stainless and Heat-Resisting Steel Bars for Aviation
Classification	Austenitic Stainless Steel

17Cr18Ni9 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo ^①	Ti ^①
Minimum Value	0.13	-	-	-	-	17	8	-	-
Maximum Value	0.21	0.8	2	0.035	0.02	19	10.5	0.3	0.5

17Cr18Ni9 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
Quenching or Solution Annealing 1100~1150°C, water quenching	≥590	≥215	≥40	≥55	≥98

New and Old Grade Replacement List

17Cr18Ni9 Corresponding Standards(Same grade name, different standards)

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