1.6657
14NiCrMo13-4
case hardening steel
1.6657 Datasheet
14NiCrMo13-4
case hardening steel
Aerospace
The material 1.6657 is a nickel-chromium-molybdenum alloyed case-hardening steel with high core strength and toughness. It is mainly used in the aviation industry.
Composition
C
Si
Mn
P
S
Cr
Mo
Ni
min.
0,11
-
0,30
-
-
0,80
0,20
3,00
max.
0,17
0,40
0,60
0,025
0,035
1,10
0,30
3,50
C
min.
0,11
max.
0,17
Si
max.
0,40
Mn
min.
0,30
max.
0,60
P
max.
0,025
S
max.
0,035
Cr
min.
0,80
max.
1,10
Mo
min.
0,20
max.
0,30
Ni
min.
3,00
max.
3,50
Standards and designations
Material group
High-quality engineering steel
AFNOR
H93100; H93106
AISI/SAE
9310; 9310H; 9310RH; EX1; E9310H
UNS
G93106; G031000
Delivery forms
Flat
Round
Round tube/bushing