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Part Number

Hardenable, unalloyed Free-Cutting Steel

Chemical Composition Limits

Weight %  C Si Mn P Pb S Fe
LAW-100 Pb  0.90-1.05 0.15-0.25  0.30-0.50  0.035 Max  0.20-0.30  0.060-0.070 Rem 

Other Chemically similar Specifications 

Weight %  C Si Mn P Pb S Fe
WS 1.1268+Pb  0.90-1.05 0.15-0.25   0.30-0.50  0.035 Max  0.20-0.30  0.060-0.070 Rem 
DIN C1095 (+Pb)  0.90-1.05 0.15-0.25   0.30-0.50  0.035 Max  0.20-0.30  0.060-0.070 Rem 

LABOR Pb material is Manufactured in Rod, Bar and coil

WS 1.1268 +Pb Steel - Hardenable Free Cutting

 

Material Features

Law 100Pb combines the characteristics of a pure tool steel and a free-cutting steel, in order to improve the toughness the S-content is not as high as with a pure free-cutting steel.  The machining properties have not only been improved by the S and Pb content, but by distinct measures taken during melting and heat treatment of the steel and with help of a favorable balanced tensile range in cold drawn execution adapted to the final sizes.

 

Standard availability

< 3.00mm: decarb free cold drawn and polished

>= 3.00mm: decarb free cold drawn and ground polished.

 

Tolerances

Standard ISO h7, up to +/- 0.002mm on request in short time available out of roundness: 1/2 of dia tol

 

Tensile strength Rm: approx 650-950 N/mm depending on the dimension

 

Heat Treatment:

Hardening Temp    800-820C (up to dia 5.00mm)

                             780-800C ( above dia 5.00mm)

quenching in oil (oil temp) 50-60C slow furnace cooling max

 

Obtainable hardness

64-66 HRC

 

Cutting Rate

55 to 65 m/min (approx value, depending on the lubrication oil, cutting tools, sharpe of parts)

 

Stock Range

0.50 to 9.50mm 

 

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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