44SMnPb28 - DIN EN ISO 683-4-2018

Grade	44SMnPb28
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

44SMnPb28 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Pb
Minimum Value	0.4	-	1.3	-	0.24	0.15
Maximum Value	0.48	0.4	1.7	0.06	0.33	0.35

44SMnPb28 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)	630~900			≤266
10<d≤16	Untreated (U)	630~850			≤252
16<d≤40	Untreated (U)	630~820			≤241
40<d≤63	Untreated (U)	620~790			≤231
63<d≤100	Untreated (U)	610~780			≤228
5<d≤10	Quenching and Tempering	700~850	≥520	≥16
10<d≤16	Quenching and Tempering	700~850	≥480	≥16
16<d≤40	Quenching and Tempering	700~850	≥420	≥16
40<d≤63	Quenching and Tempering	700~850	≥410	≥16
63<d≤100	Quenching and Tempering	700~850	≥400	≥16

44SMnPb28 Corresponding Standards(Same grade name, different standards)

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