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AWS ERNi-1 vs. ACI-ASTM CH10 Steel

AWS ERNi-1 belongs to the nickel alloys classification, while ACI-ASTM CH10 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS ERNi-1 and the bottom bar is ACI-ASTM CH10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 22
34
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 69
78
Tensile Strength: Ultimate (UTS), MPa 470
540

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1360
1410
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 73
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
20
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 11
3.7
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 230
180

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 19
3.9
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 0
22 to 26
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 1.0
54.8 to 66
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 93 to 98
12 to 15
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 2.0 to 3.5
0
Residuals, % 0 to 0.5
0