Grade 44SMnPb28
Corresponding Standard ISO 683-18-2014
Bright steel products
Classification Carbon Steel
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
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
5≤t≤10 Cold drawn (+C) 760~1030 ≥600 ≥5
10<t≤16 Cold drawn (+C) 710~980 ≥530 ≥5
16<t≤40 Cold drawn (+C) 660~900 ≥460 ≥6
40<t≤63 Cold drawn (+C) 650~870 ≥430 ≥7
63<t≤100 Cold drawn (+C) 630~840 ≥390 ≥7
16<t≤40 As-rolled + peeled (+SH) 630~820 ≤241
40<t≤63 As-rolled + peeled (+SH) 620~790 ≤231
63<t≤100 As-rolled + peeled (+SH) 610~780 ≤228
5≤t≤10 Quenched and tempered and peeled (+QT+SH) 700~850 ≥520
10<t≤16 Quenched and tempered and peeled (+QT+SH) 700~850 ≥480
16<t≤40 Quenched and tempered and peeled (+QT+SH) 700~850 ≥420 ≥16
40<t≤63 Quenched and tempered and peeled (+QT+SH) 700~850 ≥410 ≥16
63<t≤100 Quenched and tempered and peeled (+QT+SH) 700~850 ≥400 ≥16
5≤t≤16 Quenched and tempered +Cold drawn (+QT+C) 850~1000 ≥595 ≥9
16<t≤40 Quenched and tempered +Cold drawn (+QT+C) 700~900 ≥490 ≥11
40<t≤100 Quenched and tempered +Cold drawn (+QT+C) 700~900 ≥490 ≥12
Approximate Comparison Table
United States International Organization for Standardization European Standard
SAE ISO EN Numerical Grade
SAE 11L44 44SMnPb28 44SMnPb28 1.0763

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