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R30556 Alloy vs. AWS E330H

Both R30556 alloy and AWS E330H are iron alloys. They have 68% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is AWS E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
11
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 780
690

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
30
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 8.7
5.4
Embodied Energy, MJ/kg 130
76
Embodied Water, L/kg 300
180

Common Calculations

PREN (Pitting Resistance) 40
17
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.35 to 0.45
Chromium (Cr), % 21 to 23
14 to 17
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 20.4 to 38.2
40.5 to 51.7
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
1.0 to 2.5
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.75
Nickel (Ni), % 19 to 22.5
33 to 37
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0