Steel Glossary
1.1730 C 45 U / C 45

AFNOR Y3 48

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 diagram for tool steel 1.1730 (C45U) with hardening curve at 810°C
Heat Treatment Schedule

 

Heat treatment schedule for tool steel 1.1730 with temperature-time curve
Material info

Downloads

1.1730 C 45 U / C 45

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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