38SMnPb28 - DIN EN ISO 683-4-2018

Grade	38SMnPb28
Corresponding Standard	DIN EN ISO 683-4-2018 Heat-treatable steels,alloy steels and free-cutting steels--Part 4: free-cutting steels
Classification	Alloy Steel
Properties	Machinability Quench Hardness

38SMnPb28 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Pb
Minimum Value	0.35	-	1.2	-	0.24	0.15
Maximum Value	0.4	0.4	1.5	0.06	0.33	0.35

38SMnPb28 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
5<d≤10	Untreated (U)	580~780			≤228
10<d≤16	Untreated (U)	580~750			≤219
16<d≤40	Untreated (U)	560~730			≤213
40<d≤63	Untreated (U)	560~730			≤213
63<d≤100	Untreated (U)	550~700			≤204
5<d≤10	Quenching and Tempering	700~850	≥480	≥15
10<d≤16	Quenching and Tempering	700~850	≥460	≥15
16<d≤40	Quenching and Tempering	700~850	≥420	≥15
40<d≤63	Quenching and Tempering	700~850	≥400	≥16
63<d≤100	Quenching and Tempering	630~800	≥380	≥16

38SMnPb28 Corresponding Standards(Same grade name, different standards)

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