Steels for carburizing

NCAV

Spécifications

EU
12NiCr12
AIR
12NC12

Composition

C
0.12
Ni
3.3
Cr
0.75

Applications

• Carburized condition: shafts, pins, gears, etc.
• Non-carburized condition: mechanical parts.

Characteristics

• Carburizing and heat treatable nickel-chromium steel.
• After carburizing, hardening and tempering, the surface hardness is around 700 HV.

Mechanical properties

Heat
treatment
UTS
(N/mm²)
0,2%
YS
(N/mm²)
A
(%)
KCU
(J/cm²)
T + Rv 150°C 1150 950 14 120
T + Rv 575°C85070019150

Key to heat treatment symbols

Solution treated H Annealed R
Thermo-mechanical treatment TM Quenched and tempered T+RV
Sub-zero treatment F Solution treated and aged H+V

See also

FADH

Steels for carburizing

FDG

Steels for carburizing

FADCW

Steels for carburizing