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AWS ERNiCrFe-5 vs. SAE-AISI M3 Class 2 Steel

AWS ERNiCrFe-5 belongs to the nickel alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron 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 AWS ERNiCrFe-5 and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 630
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1390
1620
Melting Onset (Solidus), °C 1340
1570
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 65
25
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 11
12
Embodied Energy, MJ/kg 150
180
Embodied Water, L/kg 250
110

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 20
26 to 74
Strength to Weight: Bending, points 19
22 to 45
Thermal Diffusivity, mm2/s 3.6
7.2
Thermal Shock Resistance, points 19
24 to 69

Alloy Composition

Carbon (C), % 0 to 0.080
1.2 to 1.3
Chromium (Cr), % 14 to 17
3.8 to 4.5
Cobalt (Co), % 0 to 0.12
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 6.0 to 10
75.8 to 82.3
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 70 to 78.5
0 to 0.3
Niobium (Nb), % 1.5 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.35
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Residuals, % 0 to 0.5
0