30CrMnSiA - GJB 2609-1996

Grade	30CrMnSiA
Corresponding Standard	GJB 2609-1996 Specification for thin wall seamless tubes of structure steel for aviation
Classification	Alloy Steel

30CrMnSiA Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^①	S ^①	Cr	Ni	Cu
Minimum Value	0.28	0.9	0.8	-	-	0.8	-	-
Maximum Value	0.35	1.2	1.1	0.025	0.025	1.1	0.4	0.25

30CrMnSiA Mechanical Properties

form	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Seamless steel pipe	Annealed State	≥490	≥18
Seamless steel pipe	Normalizing + High temperature tempering state	685~885	≥11

30CrMnSiA Corresponding Standards(Same grade name, different standards)

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