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SAE-AISI S1 Steel vs. AWS E33-31

Both SAE-AISI S1 steel and AWS E33-31 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 SAE-AISI S1 steel and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
810

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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