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SAE-AISI M41 Steel vs. AWS BNi-3

SAE-AISI M41 steel belongs to the iron alloys classification, while AWS BNi-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (4, 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 BNi-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
170
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
66
Tensile Strength: Ultimate (UTS), MPa 800 to 2290
430

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Melting Completion (Liquidus), °C 1600
1040
Melting Onset (Solidus), °C 1550
980
Specific Heat Capacity, J/kg-K 440
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 33
60
Density, g/cm3 8.4
8.3
Embodied Carbon, kg CO2/kg material 9.1
9.9
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 120
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 26 to 76
14
Strength to Weight: Bending, points 23 to 46
15
Thermal Shock Resistance, points 25 to 71
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 1.1 to 1.2
0 to 0.060
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 4.8 to 5.8
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.4 to 78.9
0 to 0.5
Manganese (Mn), % 0.2 to 0.6
0
Molybdenum (Mo), % 3.3 to 4.3
0
Nickel (Ni), % 0 to 0.3
90.1 to 93.3
Phosphorus (P), % 0 to 0.030
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0.15 to 0.5
4.0 to 5.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 6.3 to 7.0
0
Vanadium (V), % 1.8 to 2.3
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5