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AWS E316L vs. R30556 Alloy

Both AWS E316L and R30556 alloy are iron alloys. They have 65% 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 E316L 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 0.28
0.28
Shear Modulus, GPa 78
81
Tensile Strength: Ultimate (UTS), MPa 550
780

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 14
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 4.0
8.7
Embodied Energy, MJ/kg 55
130
Embodied Water, L/kg 160
300

Common Calculations

PREN (Pitting Resistance) 27
40
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.040
0.050 to 0.15
Chromium (Cr), % 17 to 20
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 58.6 to 69.5
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0.5 to 2.5
0.5 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
2.5 to 4.0
Nickel (Ni), % 11 to 14
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
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