Material 1.3243

High-speed steel

1.3243 is a cobalt alloyed high speed steel. 1.3243 can be well machined.1.3243 got a high temperature hardness as well as a good hardiness. It is being used for high stressed products, such as as high speed milling machines or drills.

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1.3243

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
HS6-5-2-5 S6-5-2-5 HS6-5-2-5 SKH55 request

Material Category: High-speed steel

Chemical Composition

C % Si % Mn % P % S % Co % Cr % Mo % V % W %
0,87 - 0,95 max 0,45 max 0,40 max 0,030 max 0,030 4,50 - 5,00 3,80 - 4,50 4,70 - 5,20 1,70 - 2,10 5,90 - 6,70

 

Mechanical Properties

DIN EN ISO 4957
Werkzeugstähle. Schnellarbeitsstähle.
geglüht <= 269 HBW
gehärtet ~ 64 HRC
angelassen bei ~ 50 ° C ~ 64 HRC
angelassen bei ~ 300 ° C ~ 62 HRC
angelassen bei ~ 350 ° C ~ 61,9 HRC
angelassen bei ~ 400 ° C ~ 61,9 HRC
angelassen bei ~ 450 ° C ~ 62,5 HRC
angelassen bei ~ 500 ° C ~ 64 HRC
angelassen bei ~ 550 ° C ~ 65 HRC
angelassen bei ~ 600 ° C ~ 63 HRC
angelassen bei ~ 650 ° C ~ 56 HRC
angelassen bei ~ 700 ° C ~ 46 HRC
gehärtet und angelassen >= 64 HRC
geglüht und kaltgewalzt <= 339 HBW
geglüht und kaltgezogen <= 319 HBW

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