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ASTM A302 Alloy Steel vs. AWS ENiCu-7

ASTM A302 alloy steel belongs to the iron alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. There are 24 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 ASTM A302 alloy steel and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 20 to 23
34
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
62
Tensile Strength: Ultimate (UTS), MPa 590 to 620
550

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1460
1270
Melting Onset (Solidus), °C 1420
1230
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 39 to 51
21
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
50
Density, g/cm3 7.8 to 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
8.0
Embodied Energy, MJ/kg 20 to 21
110
Embodied Water, L/kg 48 to 50
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 21 to 22
17
Strength to Weight: Bending, points 20 to 21
17
Thermal Diffusivity, mm2/s 10 to 14
5.5
Thermal Shock Resistance, points 17 to 18
18