Material 1.0503

Heat-treatable steel

C 45 is an unalloyed heat treatable steel. It is mainly being used for general mechanical engineering.

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1.0503

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
C45 AISI 1043 UNS G10430 1C45 S45C S45CM S48C request

Material Category: Heat-treatable steel

Chemical Composition

C % Si % Mn % P % S % Cr % Cu % Mo % N % Nb % Ni %
0,42 - 0,50 max 0,40 0,50 - 0,80 max 0,045 max 0,045 max 0,30 max 0,20 max 0,08 max 0,020 max 0,030 max 0,30

 

Mechanical Properties

1.0506  
normalgeglüht Streckgrenze (Re) Zugfestigkeit (Rm)  Bruchdehnung (A5,65) bei Temperatur
<= 16 mm >= 340 N/mm² >= 620 N/mm² >= 14 % ~ 20 ° C
16 - 100 mm >= 305 N/mm² >= 580 N/mm² >= 16 % ~ 20 ° C
100 - 250 mm >= 275 N/mm² >= 560 N/mm² >= 16 % ~ 20 ° C
Weichgeglüht  
Härte (HBW) <= 207 HBW
Vergütet
Abmessung Streckgrenze (Re) Zugfestigkeit (Rm)  Bruchdehnung (A5,65) Einschnürung (Z) bei Temperatur
<= 16 mm >= 340 N/mm² 700 - 850 N/mm² >= 14 % >= 35 % ~ 20 ° C
16 - 40 mm >= 305 N/mm² 650 - 800 N/mm² >= 16 % >= 40 % ~-20 ° C
40 - 100 mm >= 275 N/mm² 630 - 780 N/mm² >= 17 % >= 45 % ~ 20 ° C
           
behandelt auf Scherbarkeit
Härte (HBW) <= 255 HBW
Flacherzeugnisse  
normalgeglüht Streckgrenze (Re) Zugfestigkeit (Rm)  Bruchdehnung (A5,65) bei Temperatur
<= 16 mm >= 340 N/mm² >= 620 N/mm² >= 14 % ~ 20 ° C
16 - 100 mm >= 305 N/mm² >= 580 N/mm² >= 16 % ~ 20 ° C
100 - 250 mm >= 275 N/mm² >= 560 N/mm² >= 16 % ~ 20 ° C
Vergütet
Abmessung Streckgrenze (Re) Zugfestigkeit (Rm)  Bruchdehnung (A5,65) Einschnürung (Z) bei Temperatur
<= 8 mm >= 490 N/mm² 700 - 850 N/mm² >= 14 % >= 35 % ~ 20 ° C
8 - 20 mm >= 430 N/mm² 650 - 800 N/mm² >= 16 % >= 40 % ~-20 ° C
20 - 60 mm >= 370 N/mm² 630 - 780 N/mm² >= 17 % >= 45 % ~ 20 ° C

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