Material 1.0737

Free-cutting steel

The material 11SMnPb37 is a free-cutting steel alloyed with lead. This material is used to manufacture mass-produced parts, such as fasteners.

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1.0737

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
11SMnPb37 9SMnPb36 AISI 12L14 UNS G12144 CF9SMnPb36 request

Material Category: Free-cutting steel

Applications

Connecting parts in automobiles and metal construction.

Weldability

The material 11SMnPb37 is not weldable

Chemical Composition

C %  Si % Mn % P % S % Pb %
max 0,14 max 0,05 1,00 - 1,50 max 0,110 0,340 - 0,400 0,200 - 0,350

 

Product Specifications

DIN EN 10277
DIN EN ISO 683-4

Mechanical Properties

1.0737 / 11SMnPb37
Bright steel products. Free-cutting steels. Steels not intended for heat treatment.
Rolled and peeled
Dimension (mm) Tensile strength (Rm) Hardness (HBW)
16 - 40 mm 380 - 570 N/mm² <= 169 HBW
40 - 63 mm 370 - 570 N/mm² <= 169 HBW
63 - 100 mm 360 - 520 N/mm² <= 154 HBW
 
Cold drawn
Dimension (mm) 0,2% Yield Stress (Rp0,2) Tensile strength (Rm) Elongation (A5, 65)
5 - 10 mm >= 440 N/mm² 510 - 810 N/mm² >= 6 %
10 - 16 mm >= 410 N/mm² 490 - 760 N/mm² >= 7 %
16 - 40 mm >= 375 N/mm² 460 - 710 N/mm² >= 8 %
40 - 63 mm >= 305 N/mm² 400 - 650 N/mm² >= 9 %
63 - 100 mm >= 245 N/mm² 360 - 630 N/mm² >= 9 %

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