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AWS ERNi-1 vs. SAE-AISI M41 Steel

AWS ERNi-1 belongs to the nickel alloys classification, while SAE-AISI M41 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 ERNi-1 and the bottom bar is SAE-AISI M41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
77
Tensile Strength: Ultimate (UTS), MPa 470
800 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1360
1600
Melting Onset (Solidus), °C 1310
1550
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 73
22
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
33
Density, g/cm3 8.7
8.4
Embodied Carbon, kg CO2/kg material 11
9.1
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 230
120

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 15
26 to 76
Strength to Weight: Bending, points 15
23 to 46
Thermal Diffusivity, mm2/s 19
6.0
Thermal Shock Resistance, points 17
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
1.1 to 1.2
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.8 to 5.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 0 to 1.0
73.4 to 78.9
Manganese (Mn), % 0 to 1.0
0.2 to 0.6
Molybdenum (Mo), % 0
3.3 to 4.3
Nickel (Ni), % 93 to 98
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.75
0.15 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.0 to 3.5
0
Tungsten (W), % 0
6.3 to 7.0
Vanadium (V), % 0
1.8 to 2.3
Residuals, % 0 to 0.5
0