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AWS ERNiCrCoMo-1 vs. SAE-AISI M34 Steel

AWS ERNiCrCoMo-1 belongs to the nickel alloys classification, while SAE-AISI M34 steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. 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 ERNiCrCoMo-1 and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 710
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1420
1540
Melting Onset (Solidus), °C 1370
1500
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 13
24
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
32
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 10
9.5
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 350
150

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23
27 to 74
Strength to Weight: Bending, points 21
23 to 46
Thermal Diffusivity, mm2/s 3.5
6.7
Thermal Shock Resistance, points 19
25 to 67

Alloy Composition


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Aluminum (Al), % 0.8 to 1.5
0
Carbon (C), % 0.050 to 0.15
0.85 to 0.92
Chromium (Cr), % 20 to 24
3.5 to 4.0
Cobalt (Co), % 10 to 15
7.8 to 8.8
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 0 to 3.0
71.3 to 76.5
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 8.0 to 10
7.8 to 9.2
Nickel (Ni), % 42.7 to 61.2
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Residuals, % 0 to 0.5
0