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AWS E33-31 vs. SAE-AISI 9254 Steel

Both AWS E33-31 and SAE-AISI 9254 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 (12, 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 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 29
20
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 810
660

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.2
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
1.5
Embodied Energy, MJ/kg 86
20
Embodied Water, L/kg 260
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
24
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.030
0.51 to 0.59
Chromium (Cr), % 31 to 35
0.6 to 0.8
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 24.7 to 34.8
96.1 to 97.1
Manganese (Mn), % 2.5 to 4.0
0.6 to 0.8
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.9
1.2 to 1.6
Sulfur (S), % 0 to 0.010
0 to 0.040