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AWS E310 vs. R30556 Alloy

Both AWS E310 and R30556 alloy are iron alloys. They have 74% 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 AWS E310 and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
45
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 620
780

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 26
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 4.6
8.7
Embodied Energy, MJ/kg 65
130
Embodied Water, L/kg 200
300

Common Calculations

PREN (Pitting Resistance) 28
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.7
2.9
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0.080 to 0.2
0.050 to 0.15
Chromium (Cr), % 25 to 28
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 44.5 to 53.9
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 1.0 to 2.5
0.5 to 2.0
Molybdenum (Mo), % 0 to 0.75
2.5 to 4.0
Nickel (Ni), % 20 to 22.5
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1