Material 1.2603

Hot work tool steel

The tool steel 1.2603 has a high tempering resistance paired with a good heat wear resistance. 1.2603 has no problems with rapid temperature fluctuations. From 1.2603 extrusion tools are often made.

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1.2603

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
45CrMoW5-8 request

Material Category: Hot work tool steel

Chemical Composition

C % Si % Mn % P % S % Cr % Mo % V % W %
0,40 - 0,50 0,50 - 0,70 0,30 - 0,50 max 0,035 max 0,035 1,30 - 1,60 0,40 - 0,60 0,75 - 0,90 0,40 - 0,60

 

Mechanical Properties

gebrauchsfestigkeit 1.270 - 1.670 N/mm²
Abkühlung mit Mildes Wasser Öl Luft
geglüht Härte (HB 30) <= 240 HB 30
gehärtet Zugfestigkeit (Rm) ~ 1.860 N/mm²
angelassen bei ~ 400 ° C Zugfestigkeit (Rm) ~ 1.720 N/mm²
angelassen bei ~ 450 ° C Zugfestigkeit (Rm) ~ 1.700 N/mm²
angelassen bei ~ 500 ° C Zugfestigkeit (Rm) ~ 1.690 N/mm²
angelassen bei ~ 550 ° C Zugfestigkeit (Rm) ~ 1.710 N/mm²
angelassen bei ~ 600 ° C Zugfestigkeit (Rm) ~ 1.670 N/mm²
angelassen bei ~ 650 ° C Zugfestigkeit (Rm) ~ 1.520 N/mm²
angelassen bei ~ 700 ° C Zugfestigkeit (Rm) ~ 1.180 N/mm²

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