3J33B - GJB 5062-2001 - H2ABC

中文版

Grade	3J33B
Corresponding Standard	GJB 5062-2001 Specification for bars of high strength elastical alloy 3J33
Classification	Special Alloy Steel
Properties	Strength Elasticity

3J33B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	Co	Al	More
Minimum Value	-	-	-	-	-	-	17.5	-	4.5	0.6	8.5	0.05	Fe:Remainder
Maximum Value	0.008	0.1	0.1	0.005	0.005	0.5	19	0.5	5.5	0.9	9.5	0.15	Fe:Remainder

3J33B Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Fatigue Limit Bending σ-1 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
solution + aging	≥1910	Rp0.2≥1810 Rp0.05≥1650	≥685	≥5	≥30	HRC: ≥50	standard sample Aku2≥53 5mm×10mm sample Aku2≥35

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