AISI 1215

AISI 1215 Steel

AISI 1215 Steel

AISI 1215, is an American-standard free-cutting steel alloyed only with sulfur. It delivers good workability, excellent machinability, and consistent chip formation. Widely used in automated production for precision turned parts.

References and Comparable Standards

Standard Reference: ASTM A29/A29M

References and comparable standards for 100Cr6 steel
Region Standard Grade Werkstoff No.
Europe EN 10087: 1998
EN 10277-3: 2008
(11SMn30) (1.0715)
Italy UNI 4838-80 CF9SMn28 -
Germany DIN 1651-88 (9SMn28) (1.0715)
France NF A 35-561-92 S250 -
UK BS 970 pt.3-91 (230M07) -
USA ASTM A 29 AISI 1215 -
Europe

StandardEN 10087: 1998
EN 10277-3: 2008

Grade(11SMn30)

Werkstoff No.(1.0715)

Italy

StandardUNI 4838-80

GradeCF9SMn28

Werkstoff No.-

Germany

StandardDIN 1651-88

Grade(9SMn28)

Werkstoff No.(1.0715)

France

StandardNF A 35-561-92

GradeS250

Werkstoff No.-

UK

StandardBS 970 pt.3-91

Grade(230M07)

Werkstoff No.-

USA

StandardASTM A 29

GradeAISI 1215

Werkstoff No.-

Chemical Composition (Cast Analysis) (%)

Chemical composition values for 100Cr6 steel
C / max Si / max Mn P / max S
%0,09 - %0,75-1,05 %0,04-0,09 %0,26-0,35
Chemical composition values for 100Cr6 steel
Carbon %0,09
Silicon -
Manganese %0,75-1,05
Phosphorus %0,04-0,09
Sulfur %0,26-0,35

Mechanical Properties

Mechanical properties for 100Cr6 steel
Size (mm) as Rolled and/or as Rolled + Turned
(+SH)*
Cold Drawn
(+C)*
HardnessHB Tensile StrengthRm (MPa) Yield StrengthRp0.2 (MPa) min Tensile StrengthRm (MPa) ElongationA5 (%) min
5≤d≤10 as Rolled and/or as Rolled + Turned (+SH)*- as Rolled and/or as Rolled + Turned (+SH)*- Cold Drawn (+C)*440 Cold Drawn (+C)*510-810 Cold Drawn (+C)*6
10<d≤16 as Rolled and/or as Rolled + Turned (+SH)*- as Rolled and/or as Rolled + Turned (+SH)*- Cold Drawn (+C)*410 Cold Drawn (+C)*490-760 Cold Drawn (+C)*7
16<d≤40 as Rolled and/or as Rolled + Turned (+SH)*169 as Rolled and/or as Rolled + Turned (+SH)*380-570 Cold Drawn (+C)*375 Cold Drawn (+C)*460-710 Cold Drawn (+C)*8
40<d≤63 as Rolled and/or as Rolled + Turned (+SH)*169 as Rolled and/or as Rolled + Turned (+SH)*370-570 Cold Drawn (+C)*305 Cold Drawn (+C)*400-650 Cold Drawn (+C)*9
63<d≤100 as Rolled and/or as Rolled + Turned (+SH)*154 as Rolled and/or as Rolled + Turned (+SH)*360-520 Cold Drawn (+C)*245 Cold Drawn (+C)*360-630 Cold Drawn (+C)*9
Note: For size <5 mm the mechanical properties may be agreed at the time of enquiry and order.
* Only for information.

Working Temperatures Recommended

Recommended working temperatures for 100Cr6 steel
Operation Temperature
Hot forgings deformation 950-1250 °C
Normalizing 870-910 °C
Soft annealing 650-700 °C
Published: 26 July 2026 | Last Updated: 26 July 2026
Published: 26 July 2026 | Last Updated: 26 July 2026
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