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Part Number WS 1.0759

Technical Data Sheet

LABOR Pb material is a hardenable, unalloyed free cutting steel which is manufactured in Rod, Bar and coil. (WS 1.0759 Steel - Free Cutting - Unalloyed).

Chemical Composition Limits
Weight %	C	Si	Mn	P	Pb	S	Fe
LABOR PB	0.65-0.75	0.10-0.40	0.50-0.90	0.07 max	0.15-0.30	0.15-0.30	Rem
Other Chemically similar Specifications
Weight %	C	Si	Mn	P	Pb	S	Fe
WS 1.0759	0.65-0.75	0.10-0.40	0.50-0.90	0.07 max	0.15-0.30	0.15-0.30	Rem
DIN 70 SPb 20	0.65-0.75	0.10-0.40	0.50-0.90	0.07 max	0.15-0.30	0.15-0.30	Rem

Stock Range
Range from Ø 0.80 to 12.50mm

Diameters
Ø 3.00mm drawn decarb free and polished
Ø 3.00mm drawn decarb free, ground and polished, surface Ra 0.40

Mechanical Properties
Tensile Strength at delivery from 650 to 900 N/mm2

Availability
Available in 3 or 2 mtr bars or in coil for Escomatic machines. For all stock and size availability contact Sales.

Heat Treatment
810-830ºC hardening in oil for Ø<5mm
790-810ºC hardening in oil for Ø<5mm
660-700ºC soft annealing

Max obtainable hardness
63-65 HRC 9 for parts with high hardness.

Cutting Rate
60 to 80m/min dependant on lubrication oil, the cutting tool and the shape of the parts

Tolerance
h8, more accurate tolerances available on request.

Return to Main Precision Ground Material

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.