WS 1.0759, DIN 70SPb20

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Quality - BS EN 9120:2005, / ISO 9001:2008

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Part Number

WS 1.0759

Hardenable, Unalloyed free-cutting steel
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

LABOR Pb material is Manufactured in Rod, Bar and coil

WS 1.0759 Steel - Free Cutting - Unalloyed

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

Heat Treatment

810-830ºC hardening in oil for Ø<5mm

790-810ºC hardening in oil for Ø<5mm

660-700ºC soft annealing

Max obtainable hardnes

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.

Download Tolerance Chart

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.

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