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SAE-AISI M41 Steel vs. AWS E320LR

Both SAE-AISI M41 steel and AWS E320LR are iron alloys. They have 45% of their average alloy composition in common. 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 E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1600
1410
Melting Onset (Solidus), °C 1550
1360
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 33
36
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 9.1
6.2
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 120
220

Common Calculations

PREN (Pitting Resistance) 28
28
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 76
20
Strength to Weight: Bending, points 23 to 46
19
Thermal Shock Resistance, points 25 to 71
15

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
19 to 21
Cobalt (Co), % 4.8 to 5.8
0
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 73.4 to 78.9
32.7 to 42.5
Manganese (Mn), % 0.2 to 0.6
1.5 to 2.5
Molybdenum (Mo), % 3.3 to 4.3
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0