07Cr12Mn5Ni4Mo3Al 0Cr12Mn5Ni4Mo3Al - GJB 8268-2014 - H2ABC

中文版

Grade	07Cr12Mn5Ni4Mo3Al
Old Grade
Corresponding Standard	GJB 8268-2014 Specification for precipitation-hardening stainless steel bars for aviation
Classification	Precipitation-Hardening Stainless Steel
Properties	Corrosion Resistance

07Cr12Mn5Ni4Mo3Al Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Al
Minimum Value	0.03	-	4.4	-	-	11	4	2.7	0.5
Maximum Value	0.09	0.8	5.3	0.03	0.015	12	5	3.3	1

07Cr12Mn5Ni4Mo3Al Mechanical Properties

diameter d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
sample	Test sample direction, longitudinal	RH520	≥1520	≥1280	≥9	≥40	HRC ≥46	KU2 ≥39
Steel Rod		Annealing					≤363

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