Material 1.2740

Hot work tool steel

The tool steel 1.2740 has high sttrength and is insensitive to temperature fluctuations.

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1.2740

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
28NiCrMoV10 request

Material Category: Hot work tool steel

Chemical Composition

 C % Si % Mn % P % S % Cr % Mo % Ni % V %
0,24 - 0,32 0,30 - 0,50 0,20 - 0,40 max 0,030 max 0,030 0,60 - 0,90 0,50 - 0,70 2,30 - 2,60 0,25 - 0,32

 

Mechanical Properties

 Gebrauchsfestigkeit   1.470 - 1.770 N/mm²
geglüht Härte (HB 30) <= 240 HB 30
gehärtet Zugfestigkeit (Rm) ~ 1.860 N/mm²
angelassen bei ~ 400 ° C Zugfestigkeit (Rm) ~ 1.770 N/mm²
angelassen bei ~ 450 ° C Zugfestigkeit (Rm) ~ 1.770 N/mm²
angelassen bei ~ 500 ° C Zugfestigkeit (Rm) ~ 1.620 N/mm²
angelassen bei ~ 550 ° C Zugfestigkeit (Rm) ~ 1.570 N/mm²
angelassen bei ~ 600 ° C Zugfestigkeit (Rm) ~ 1.470 N/mm²

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