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AWS E33-31 vs. AISI W2 Steel

Both AWS E33-31 and AISI W2 steel are iron alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is AISI W2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 810
580 to 2400

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
2.0
Embodied Energy, MJ/kg 86
29
Embodied Water, L/kg 260
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
21 to 86
Strength to Weight: Bending, points 24
20 to 51
Thermal Shock Resistance, points 19
19 to 80

Alloy Composition

Carbon (C), % 0 to 0.030
0.85 to 1.5
Chromium (Cr), % 31 to 35
0 to 0.15
Copper (Cu), % 0.4 to 0.8
0 to 0.2
Iron (Fe), % 24.7 to 34.8
96.2 to 98.6
Manganese (Mn), % 2.5 to 4.0
0.35 to 0.74
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.1
Nickel (Ni), % 30 to 32
0 to 0.2
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.9
0.1 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0.15 to 0.35