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ASTM A202 Steel vs. AWS ERNiCrFe-5

ASTM A202 steel belongs to the iron alloys classification, while AWS ERNiCrFe-5 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 A202 steel and the bottom bar is AWS ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
34
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 590 to 670
630

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 52
14
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
65
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
11
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 49
250

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 24
20
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 14
3.6
Thermal Shock Resistance, points 17 to 20
19