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ASTM A732 Cast Steel vs. Nickel 685

ASTM A732 cast steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A732 cast steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 440
350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.0 to 25
17
Fatigue Strength, MPa 230 to 750
470
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72 to 73
77
Tensile Strength: Ultimate (UTS), MPa 460 to 1470
1250
Tensile Strength: Yield (Proof), MPa 310 to 1340
850

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
320
Maximum Temperature: Mechanical, °C 400 to 430
1000
Melting Completion (Liquidus), °C 1440 to 1460
1380
Melting Onset (Solidus), °C 1400 to 1420
1330
Specific Heat Capacity, J/kg-K 470 to 480
460
Thermal Conductivity, W/m-K 39 to 50
13
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0 to 3.8
75
Density, g/cm3 7.8 to 7.9
8.4
Embodied Carbon, kg CO2/kg material 1.4 to 1.7
10
Embodied Energy, MJ/kg 19 to 24
140
Embodied Water, L/kg 47 to 54
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 4770
1820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 16 to 52
42
Strength to Weight: Bending, points 17 to 37
31
Thermal Diffusivity, mm2/s 10 to 14
3.3
Thermal Shock Resistance, points 14 to 43
37