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11SMnPb37 - Nr.1.0737

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11SMnPb37 Steel

11SMnPb37 is a lead-alloyed free-cutting steel with higher sulfur than 11SMnPb30. Widely used in Italy and France, it provides excellent overall machinability. The Telyx version delivers further enhanced machinability compared to PS113.

References and Comparable Standards

Standard Reference: EN ISO 683-4: 2018 (Hot-rolled products) | EN 10277: 2018 (Bright products)

References and comparable standards for 100Cr6 steel
Region	Standard	Grade	Werkstoff No.
Europe	EN 10087: 1998 EN 10277-3: 2008	11SMnPb37	1.0737
Italy	UNI 4838-80	CF9SMnPb36	-
Germany	DIN 1651-88	9SMnPb36	1.0737
France	NF A 35-561-92	S300Pb	-
UK	BS 970 pt.3-91	-	-
USA	ASTM A 29	-	-

Europe

StandardEN 10087: 1998
EN 10277-3: 2008

Grade11SMnPb37

Werkstoff No.1.0737

Italy

StandardUNI 4838-80

GradeCF9SMnPb36

Werkstoff No.-

Germany

StandardDIN 1651-88

Grade9SMnPb36

Werkstoff No.1.0737

France

StandardNF A 35-561-92

GradeS300Pb

Werkstoff No.-

StandardBS 970 pt.3-91

Grade-

Werkstoff No.-

USA

StandardASTM A 29

Grade-

Werkstoff No.-

Chemical Composition (Cast Analysis) (%)

Chemical composition values for 100Cr6 steel
C / max	Si / max	Mn	P / max	S	Pb	Te*
%0,14	%0,05	%1,00-1,50	%0,11	%0,34-0,40	%0,20-0,35	%0,005-0,030
* Added only in tellurium version, TELYX.

Chemical composition values for 100Cr6 steel
Carbon	%0,14
Silicon	%0,05
Manganese	%1,00-1,50
Phosphorus	%0,11
Sulfur	%0,34-0,40
Lead	%0,20-0,35
Te*	%0,005-0,030

Mechanical Properties – Bright Steel

Mechanical properties for 100Cr6 steel
Size (mm)	as Rolled and/or as Rolled + Turned (+SH)		Cold Drawn (+C)
Size (mm)	HardnessHB	Tensile StrengthRm (MPa)	Yield StrengthRp0.2 (MPa) min	Tensile StrengthRm (MPa)	ElongationA5 (%) min
5≤d≤10	PropertyDelivery ConditionValue					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	PropertyDelivery ConditionValue					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	PropertyDelivery ConditionValue					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	PropertyDelivery ConditionValue					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	PropertyDelivery ConditionValue					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.