Material 1.7321

Case hardening steel

DIN EN 10084 (06/2008)
Einsatzstähle.
weichgeglüht Härte [HB] <= 248 HB
vergütet Streckgrenze (Re) Zugfestigkeit (Rm) Bruchdehnung (A5, 65) Kerbschlagarbeit
(DVM)
16 - 40 mm >= 600 N/mm² 800 - 1.000 N/mm² >= 14 % >= 35 Joule
40 - 70 mm >= 600 N/mm² 800 - 1.000 N/mm² >= 14 % >= 35 Joule
nitriert Härte [HV1] ~ 950 HV 1

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1.7321

Standards

HDIN / EN US-Standard AFNOR UNI JIS request
20MoCr4 request

Material Category: Case hardening steel

Heat Treatment

Carburizing 880 - 980 C°
Core hardness 860 - 900 C°
Edge hardness 780 - 820 C°
Tempering 150 - 200 C°, duration >= 1 h

Chemical Composition

C % Si % Mn % P % S % Cr % Mo % 
0,17 -0,23 max 0,40 0,70 - 1,00 max 0,035 max 0,035 0,30 - 0,60 0,40 - 0,50

 

Product Specifications

DIN EN 10084
DIN EN 10263-3
DIN EN ISO 683-3

Mechanical Properties

DIN EN 10084 (06/2008)
Einsatzstähle.
Behandelt auf Härtespanne Härte [HBW] 156 - 207 HBW
behandelt auf Ferrit-Perlit Gefüge und Härtespanne Härte [HBW] 140 - 187 HBW
weichgeglüht Härte [HBW] <= 207 HBW
abgeschreckt Stirnabschreckversuch nach Jominy (+H) Stirnabschreckversuch nach Jominy (+HH) Stirnabschreckversuch nach Jominy (+HL)
~ 1,5 mm 41 - 49 HRC 44 - 49 HRC 41 - 46 HRC
~ 3 mm 37 - 47 HRC 40 - 47 HRC 37 - 44 HRC
~ 5 mm 31 - 44 HRC 35 - 44 HRC 31 - 40 HRC
~ 7 mm 27 - 41 HRC 32 - 41 HRC 27 - 36 HRC
~ 9 mm 24 - 38 HRC 29 - 38 HRC 24 - 33 HRC
~ 11 mm 22 - 35 HRC 26 - 35 HRC 22 - 31 HRC
~ 13 mm <= 33 HRC 24 - 33 HRC <= 29 HRC
~ 15 mm <= 31 HRC 22 - 31 HRC <= 27 HRC
~ 20 mm <= 28 HRC <= 28 HRC <= 24 HRC
~ 25 mm <= 26 HRC <= 26 HRC <= 22 HRC
~ 30 mm <= 25 HRC <= 25 HRC <= 21 HRC
~ 35 mm <= 24 HRC <= 24 HRC <= 20 HRC
~ 40 mm <= 24 HRC <= 24 HRC <= 20 HRC
vergütet bei ~ 200 ° C Zugfestigkeit (Rm)
<= 16 mm >= 900 N/mm²
16 - 40 mm >= 800 N/mm²
behandelt auf Scherbarkeit Härte [HBW] <= 255 HBW

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