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ASTM A302 Alloy Steel vs. AWS ENi-1

ASTM A302 alloy steel belongs to the iron alloys classification, while AWS ENi-1 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 ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 20 to 23
22
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
69
Tensile Strength: Ultimate (UTS), MPa 590 to 620
470

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 39 to 51
73
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
19
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
19

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
60
Density, g/cm3 7.8 to 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
11
Embodied Energy, MJ/kg 20 to 21
150
Embodied Water, L/kg 48 to 50
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 21 to 22
15
Strength to Weight: Bending, points 20 to 21
15
Thermal Diffusivity, mm2/s 10 to 14
19
Thermal Shock Resistance, points 17 to 18
17