Part Number Law 100X / WS 1.1268

Technical Data Sheet

Powder melted, hardenable, unalloyed free cutting steel with 1% of carbon, specially designed for small high precision parts in the watch and instrument industry also used for security parts in ABS braking systems.

Chemical Composition Limits
Weight % C Si Mn S Fe
LAW 100 X 0.90-1.05 0.15-0.25 0.30-0.50 0.040-0.080 Rem

Manufactured in Rod, Bar and coil
Coil 0.30mm to 3.5mm
Rod 0.4mm to 3.5mm
Other sizes on request. For all stock and size availability contact Sales.

Standard ISO h6, up to +/- 0.002mm on request in short time available out of roundness: 1/2 of dia tol

Tensile strength Rm: approx 670-800 MPa/mm2 depending on the dimension

Heat Treatment:
Hardening Temp 800-820ºC (up to dia 5.00mm)
780-800ºC ( above dia 5.00mm)
quenching in oil (oil temp) 50-60ºC slow furnace cooling max

Obtainable hardness
64-67 HRC

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

Return to Main Precision Ground Material

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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.