Nickel Alloy 685 (N07001)
Nickel Alloys
Property Overview
Density8.4g/cm³
Elastic Modulus200GPa
Tensile Strength1250MPa
Yield Strength850MPa
Brinell Hardness350HB
Maximum Service Temperature1000°C
Chemical Composition
C
0.030 to 0.1%
CR
18 to 21%
NI
49.6 to 62.5%
MO
3.5 to 5.0%
MN
0 to 1.0%
SI
0 to 0.75%
P
0 to 0.030%
S
0 to 0.030%
CU
0 to 0.5%
TI
2.8 to 3.3%
AL
1.2 to 1.6%
CO
12 to 15%
B
0.0030 to 0.010%
ZN
0.020 to 0.12%
FE
0 to 2.0%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
17 %
Fatigue Strength
470 MPa
Poisson's Ratio
0.29
Reduction in Area
20 %
Shear Modulus
77 GPa
Shear Strength
770 MPa
Tensile Strength: Ultimate (UTS)
1250 MPa
Tensile Strength: Yield (Proof)
850 MPa
Hardness
Brinell Hardness
350
Physical
Density
8.4 g/cm 3
Thermal
Latent Heat of Fusion
320 J/g
Maximum Temperature: Mechanical
1000 °C
Melting Completion (Liquidus)
1380 °C
Melting Onset (Solidus)
1330 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
13 W/m-K
Thermal Diffusivity
3.3 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
37 points
Calculated
Resilience: Ultimate (Unit Rupture Work)
190 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1820 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
23 points
Strength to Weight: Axial
42 points
Strength to Weight: Bending
31 points
Environmental
Base Metal Price
75 % relative
Embodied Carbon
10 kg CO 2 /kg material
Embodied Energy
140 MJ/kg
Embodied Energy
140 MJ/kg 62 x 10 3 BTU/lb
Embodied Water
340 L/kg
Embodied Water
340 L/kg 41 gal/lb
Registered Designations & Aliases
N07001Nickel Alloy 685 (N07001)
Standards
ASTM B637 ASTM B637: Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service
ASTM B637 ASTM B637: Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009 Aerospace Materials, Brian Cantor et al. (editors), 2001 Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971 Nickel Alloys, Ulrich Heubner (editor), 1998