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SAE-AISI T15 Steel vs. AWS E33-31

Both SAE-AISI T15 steel and AWS E33-31 are iron alloys. They have a modest 36% 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 (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T15 steel and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
810

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1690
1380
Melting Onset (Solidus), °C 1640
1330
Specific Heat Capacity, J/kg-K 430
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 43
36
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 16
6.0
Embodied Energy, MJ/kg 250
86
Embodied Water, L/kg 140
260

Common Calculations

PREN (Pitting Resistance) 27
44
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 26 to 71
28
Strength to Weight: Bending, points 22 to 43
24
Thermal Shock Resistance, points 26 to 70
19

Alloy Composition

Carbon (C), % 1.5 to 1.6
0 to 0.030
Chromium (Cr), % 3.8 to 5.0
31 to 35
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0.4 to 0.8
Iron (Fe), % 67.5 to 73.5
24.7 to 34.8
Manganese (Mn), % 0.15 to 0.4
2.5 to 4.0
Molybdenum (Mo), % 0 to 1.0
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 0.4
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0