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Nickel 685 vs. ASTM A182 Grade FR

Nickel 685 belongs to the nickel alloys classification, while ASTM A182 grade FR 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 ASTM A182 grade FR.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
28
Fatigue Strength, MPa 470
270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 20
43
Shear Modulus, GPa 77
72
Shear Strength, MPa 770
320
Tensile Strength: Ultimate (UTS), MPa 1250
490
Tensile Strength: Yield (Proof), MPa 850
360

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
410
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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
3.3
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 10
1.6
Embodied Energy, MJ/kg 140
21
Embodied Water, L/kg 340
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1820
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
17
Strength to Weight: Bending, points 31
17
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 37
14

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 0.2
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0.75 to 1.3
Iron (Fe), % 0 to 2.0
95.2 to 97.3
Manganese (Mn), % 0 to 1.0
0.4 to 1.1
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
1.6 to 2.2
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0