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AWS ERNi-1 vs. ASTM Grade HG10 MNN Steel

AWS ERNi-1 belongs to the nickel alloys classification, while ASTM grade HG10 MNN 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 ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 22
23
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 69
77
Tensile Strength: Ultimate (UTS), MPa 470
590

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1360
1420
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
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 19
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
21
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 11
4.0
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 230
160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 19
3.9
Thermal Shock Resistance, points 17
13

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0.070 to 0.11
Chromium (Cr), % 0
18.5 to 20.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 0 to 1.0
57.9 to 66.5
Manganese (Mn), % 0 to 1.0
3.0 to 5.0
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 93 to 98
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.0 to 3.5
0
Residuals, % 0 to 0.5
0