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AWS E33-31 vs. AWS ENiCrMo-4

AWS E33-31 belongs to the iron alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. They have 54% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is AWS ENiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 29
28
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
84
Tensile Strength: Ultimate (UTS), MPa 810
790

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1380
1590
Melting Onset (Solidus), °C 1330
1530
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 6.0
13
Embodied Energy, MJ/kg 86
170
Embodied Water, L/kg 260
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 28
24
Strength to Weight: Bending, points 24
21
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 31 to 35
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0.4 to 0.8
0 to 0.5
Iron (Fe), % 24.7 to 34.8
4.0 to 7.0
Manganese (Mn), % 2.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
15 to 17
Nickel (Ni), % 30 to 32
49.9 to 63.5
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.9
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5