Grade 46S20
1.0727
Corresponding Standard NF EN 10087-1999
Free-cutting structural steels
Classification Carbon Steel
46S20 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.42 - 0.7 - 0.15
Maximum Value 0.5 0.4 1.1 0.06 0.25
46S20 Mechanical Properties
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Steel: 5≤ d ≤10 Untreated State 590~800
Steel: 10<d ≤16 Untreated State 590~780
Steel: 16 < d ≤ 40 Untreated State 590~760 175~225
Steel: 40 < d ≤ 63 Untreated State 580~720 172~216
Steel: 63 < d ≤ 100 Untreated State 560~710 166~211
Steel: 5≤ d ≤10 Quenching + Tempering (+QT) 700~850 ≥490 ≥12
Steel: 10<d ≤16 Quenching + Tempering (+QT) 700~850 ≥490 ≥12
Steel: 16 < d ≤ 40 Quenching + Tempering (+QT) 650~800 ≥430 ≥13
Steel: 40 < d ≤ 63 Quenching + Tempering (+QT) 630~780 ≥370 ≥14
Steel: 63 < d ≤ 100 Quenching + Tempering (+QT) 630~780 ≥370 ≥14

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