S82 BS S82 - BS 5S S82-1976 - H2ABC

中文版

Grade	S82
Other Names
Corresponding Standard	BS 5S S82-1976 Specification for 4% nickel-chromium-molybdenum case-hardening steel billets, bars, forgings and parts (1320-1520 MPa)
Classification	Alloy Steel
Properties	Strength

S82 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	0.14	0.15	0.25	-	-	1	3.8	0.2
Maximum Value	0.18	0.4	0.55	0.025	0.02	1.4	4.3	0.3

S82 Mechanical Properties

condition	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
Bar Stock, Ingot, Forging	Heat Treatment	1320~1520	≥1030	≥8	≥35		Izod ≥34
Bar Stock, Ingot, Forging	Normalizing and Softening					≤277

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