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AWS E33-31 vs. SAE-AISI S1 Steel

Both AWS E33-31 and SAE-AISI S1 steel are iron alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 20 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E33-31 and the bottom bar is SAE-AISI S1 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
73
Tensile Strength: Ultimate (UTS), MPa 810
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
1500
Melting Onset (Solidus), °C 1330
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.0
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 6.0
2.6
Embodied Energy, MJ/kg 86
37
Embodied Water, L/kg 260
56

Common Calculations

PREN (Pitting Resistance) 44
5.9
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
24 to 64
Strength to Weight: Bending, points 24
22 to 42
Thermal Shock Resistance, points 19
21 to 56

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.55
Chromium (Cr), % 31 to 35
1.0 to 1.8
Copper (Cu), % 0.4 to 0.8
0 to 0.25
Iron (Fe), % 24.7 to 34.8
91.6 to 96.7
Manganese (Mn), % 2.5 to 4.0
0.1 to 0.4
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.5
Nickel (Ni), % 30 to 32
0 to 0.3
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.9
0.15 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
1.5 to 3.0
Vanadium (V), % 0
0.15 to 0.3