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SAE-AISI M43 Steel vs. AWS ENiCrMo-3

SAE-AISI M43 steel belongs to the iron alloys classification, while AWS ENiCrMo-3 belongs to the nickel alloys. There are 21 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 M43 steel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
870

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Melting Completion (Liquidus), °C 1550
1480
Melting Onset (Solidus), °C 1500
1430
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 19
11
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
80
Density, g/cm3 8.2
8.6
Embodied Carbon, kg CO2/kg material 8.5
14
Embodied Energy, MJ/kg 120
190
Embodied Water, L/kg 140
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 27 to 77
28
Strength to Weight: Bending, points 24 to 47
24
Thermal Diffusivity, mm2/s 5.3
2.8
Thermal Shock Resistance, points 25 to 71
25

Alloy Composition

Carbon (C), % 1.2 to 1.3
0 to 0.1
Chromium (Cr), % 3.5 to 4.3
20 to 23
Cobalt (Co), % 7.8 to 8.8
0 to 0.12
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 70.8 to 76
0 to 7.0
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 7.5 to 8.5
8.0 to 10
Nickel (Ni), % 0 to 0.3
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.65
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Residuals, % 0
0 to 0.5