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SAE-AISI M41 Steel vs. AWS E33-31

Both SAE-AISI M41 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 M41 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 77
81
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
810

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1600
1380
Melting Onset (Solidus), °C 1550
1330
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 33
36
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 9.1
6.0
Embodied Energy, MJ/kg 140
86
Embodied Water, L/kg 120
260

Common Calculations

PREN (Pitting Resistance) 28
44
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 76
28
Strength to Weight: Bending, points 23 to 46
24
Thermal Shock Resistance, points 25 to 71
19

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
31 to 35
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
0.4 to 0.8
Iron (Fe), % 73.4 to 78.9
24.7 to 34.8
Manganese (Mn), % 0.2 to 0.6
2.5 to 4.0
Molybdenum (Mo), % 3.3 to 4.3
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 0.5
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0