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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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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