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Nickel 685 vs. SAE-AISI 1212 Steel

Nickel 685 belongs to the nickel alloys classification, while SAE-AISI 1212 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is SAE-AISI 1212 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11 to 28
Fatigue Strength, MPa 470
200 to 290
Poisson's Ratio 0.29
0.29
Reduction in Area, % 20
39 to 51
Shear Modulus, GPa 77
73
Shear Strength, MPa 770
280 to 370
Tensile Strength: Ultimate (UTS), MPa 1250
440 to 620
Tensile Strength: Yield (Proof), MPa 850
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 340
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
64 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
180 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
15 to 22
Strength to Weight: Bending, points 31
16 to 20
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 37
14 to 20

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
0 to 0.13
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 2.0
98.5 to 99.07
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Phosphorus (P), % 0 to 0.030
0.070 to 0.12
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0.16 to 0.23
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0