MakeItFrom.com
Menu (ESC)

Nickel 685 vs. AISI 440C Stainless Steel

Nickel 685 belongs to the nickel alloys classification, while AISI 440C stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
2.0 to 14
Fatigue Strength, MPa 470
260 to 840
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 770
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 1250
710 to 1970
Tensile Strength: Yield (Proof), MPa 850
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1000
870
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
22
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
2.2
Embodied Energy, MJ/kg 140
31
Embodied Water, L/kg 340
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
39 to 88
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 42
26 to 71
Strength to Weight: Bending, points 31
23 to 46
Thermal Diffusivity, mm2/s 3.3
6.0
Thermal Shock Resistance, points 37
26 to 71

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
1.0 to 1.2
Chromium (Cr), % 18 to 21
16 to 18
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
78 to 83.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 5.0
0 to 0.75
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0