07Cr12Mn5Ni4Mo3Al 0Cr12Mn5Ni4Mo3Al - GJB 8268-2014

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

• The chemical composition of the same grade in this standard has been adjusted accordingly with GB/T 20878.

07Cr12Mn5Ni4Mo3Al Mechanical Properties

diameter d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 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

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!