GB 10Ni3MnCuAl/AISI P21/DIN GEST80/JIS NAK80

1 Electric furnace,ladle refine,vacuum degassing and ESR method. 2.High purify.

1.  Steel grade: GB 10Ni3MnCuAl/AISI P21/DIN GEST80/JIS NAK80

 

2.  Chemicial composition

C	Mn	Cr	Mo	Ni	Cu	Al	P	S
0.10~0.15	1.3~1.5	0.2~0.5	0.20~0.50	2.8~3.0	0.9~1.2	0.9~1.2	≤0.015	≤0.015

 

3. deliver condition:

    EF+LF+VD+ESR ,Hot  Forged,Annealing,Normalizing,Tempering,

    Quenching and tempering,Solution,Aging,Slow Cooling;Black Surface or Grinding Surface

    or Roughing or Finish Machining; hardness HRC38~42.

4. Mechanical Properties:

Tensile Strength	183,400 psi
Yield Strength (.2% offset, 41 HRc)	147,600 psi
Reduction of Area	41.9%
Elongation in 2" (longitudinal)	16.1%
Modulus of Elasticity (room temp.)	30.0 x 10-6 psi
Charpy V-notch Impact Strength (toughness):
Longitudinal	8.1 ft/lb
Transverse	8.5 ft/lb.
Hardness	40 HRc

GB 10Ni3MnCuAl/AISI P21/DIN GEST80/JIS NAK80