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AWS E3155 vs. Grade M30C Nickel

AWS E3155 belongs to the iron alloys classification, while grade M30C nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 E3155 and the bottom bar is grade M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 23
29
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 81
61
Tensile Strength: Ultimate (UTS), MPa 770
510

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Melting Completion (Liquidus), °C 1460
1290
Melting Onset (Solidus), °C 1410
1240
Specific Heat Capacity, J/kg-K 450
430
Thermal Conductivity, W/m-K 13
22
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
60
Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 7.7
9.5
Embodied Energy, MJ/kg 110
140
Embodied Water, L/kg 300
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 3.3
5.7
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.3
Chromium (Cr), % 20 to 22.5
0
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
26 to 33
Iron (Fe), % 23.3 to 36.3
0 to 3.5
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
56.6 to 72
Niobium (Nb), % 0.75 to 1.3
1.0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0