Materials / Carbon Steel and Alloy steel / Alloyed steels
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Material category
Alloyed steels
Sectors of activity
Processes used
Caractéristiques de la norme EN 10250-3 ép. 160-330 mm.
C
0.30-0.38 %
Si
0.40 max %
P
0.035 max %
S
0.035 max %
Cr
1.30-1.70 %
Mo
0.15-0.30 %
Ni
1.30-1.70 %
Rp0.2 min
540 min MPa
Rp0.2 max
0 MPa
Rm min
750 min MPa
Rm max
680 MPa
A min
14 min long %
Dureté min
260 typique HB
Dureté max
270 HB
Résilience
45 min long J
Masse volumique
7.86 g/cm³
EN(num.)
1.6582
EN(sym.)
40NiCrMo7, 40NiCrMo7
ISO
-
NF
-
UNI
-
DIN
-
JIS
-
SAEASTM
4340, 4340
UNS
-
BS
-
AFNOR
40NCD7
AISI
-
Autres
-