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AWS ERNiCrMo-3 vs. ASTM A572 Steel

AWS ERNiCrMo-3 belongs to the nickel alloys classification, while ASTM A572 steel belongs to the iron 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 AWS ERNiCrMo-3 and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
18 to 25
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 870
470 to 620

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.0
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
1.6
Embodied Energy, MJ/kg 190
22
Embodied Water, L/kg 290
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
17 to 22
Strength to Weight: Bending, points 24
17 to 21
Thermal Diffusivity, mm2/s 2.8
14
Thermal Shock Resistance, points 25
14 to 18