Steel Glossary
1.1730 C 45 U


Chemical Composition %
C Si Mn P S
max. 0.50 0.40 0.80 0.03 0.03
min. 0.42 0.15 0.60

Unalloyed tool steel for the production of fixtures and machine parts, as well as base plates and spacer blocks for tools - the standard material for simple machine parts.

You can obtain this material from us as precision flat steel (standard and custom dimensions), EcoPlan, VarioPlan, VarioRond, and as raw material cuttings.

You can also obtain 1.1730 from us individually, according to your specifications, as a finished machined drawing part.

Tempering Chart

Hardening Temperature: 810°C, Cross-Sectional Sample: Square 20 mm

Tempering Chart - 1.1730 C 45 U
Heat Treatment Schedule


Heat Treatment Schedule - 1.1730 C 45 U
Material info


1.1730 C 45 U

Unalloyed steel for the manufacture of devices and machine components as well as base-plates and spacing strips – the standard grade for simple machine components

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