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AWS E330H vs. Grade M30H Nickel

AWS E330H belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E330H and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Elongation at Break, % 11
11
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 76
61
Tensile Strength: Ultimate (UTS), MPa 690
770

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1400
1250
Melting Onset (Solidus), °C 1350
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
50
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 5.4
7.7
Embodied Energy, MJ/kg 76
110
Embodied Water, L/kg 180
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.2
5.7
Thermal Shock Resistance, points 19
27

Alloy Composition

Carbon (C), % 0.35 to 0.45
0 to 0.3
Chromium (Cr), % 14 to 17
0
Copper (Cu), % 0 to 0.75
27 to 33
Iron (Fe), % 40.5 to 51.7
0 to 3.5
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 33 to 37
57.9 to 70.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030