Hardenable free-cutting steels without Pb

About the material

Hardenable free-cutting steels without lead combine two properties otherwise rarely seen in combination:

  • Good machinability, as seen in classic free-cutting steels
  • And at the same time heat treatability for increased hardness and wear resistance

These steels are particularly suitable for applications where precision, mechanical strength and fine machining are paramount – for example in precision mechanics, watchmaking, sensor technology or the manufacture of measuring instruments.

Finemac

A hardenable free-cutting steel without lead, specially developed for precision components with the tightest tolerances.
Thanks to its finely tuned alloy composition, it can be easily machined as well as heat-treated to achieve higher degrees of hardness.

  • Pb-free
  • Well suited for surface hardening or case hardening
  • Ideal for: small technical parts, measuring tips, filigree components
LAW 100X (1.1268 X / similar to SAE 1095)

Based on a high-carbon tool steel, this material offers outstanding hardness values after heat treatment combined with sufficient machinability.
Carbon content: approx. 1%

  • Can be hardened to high strengths (> 60 HRC)
  • Pb-free, but still easy to work thanks to optimised microstructure

Fields of application include:

  • Precision axles
  • Small springs
  • Precision engineering functional parts
Advantages of hardenable free-cutting steels without lead
  • Lead-free: meets environmental standards and norms (RoHS-compliant)
  • Machinability: improved working despite lack of added Pb
  • Hardenability: suitable for thermal hardening processes (e.g. oil bath)
  • Suitable for precision engineering: ideal for the smallest parts with high shaping accuracy

Hardenable free-cutting steels without Pb

Description Techsheet
1.1268 X - Free-cutting steel / LAW 100X / AISI 1095
Finemac - Lead-free free-cutting steel

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