Materials / Inox / Martensitique
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Material category
Martensitique
Sectors of activity
Caractéristiques de la norme EN 10250-4, forgés ép. 160 mm max.\r\nTreatment trempé-revenu QT 800.
C
0.16-0.25 %
Si
1.00 max %
Mn
1.50 max %
P
0.040 max %
S
0.030 max %
Cr
12.00-14.00 %
Rp0.2 min
600 min MPa
Rp0.2 max
500 MPa
Rm min
800-950 MPa
Rm max
950 MPa
A min
12 min long %
Dureté min
245-275 HB
Dureté max
0 HB
Résilience
20 min long J
Masse volumique
7.7 g/cm³
EN(num.)
1.4021
EN(sym.)
-
ISO
-
NF
EN10088-1, EN10088-2, EN10088-3, EN10250-4
UNI
X20Cr13, X20Cr13
DIN
DIN 17740
JIS
SUS420J1
SAEASTM
-
UNS
S42000
BS
En46C, 420S29, 420S37
AFNOR
Z20C12, NF A 35-574, Z20C13-F, NF A 36-613
AISI
420
Autres
-