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S30815 Stainless Steel vs. AWS ERNiFeCr-2

S30815 stainless steel belongs to the iron alloys classification, while AWS ERNiFeCr-2 belongs to the nickel alloys. They have 49% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is AWS ERNiFeCr-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 680
1300

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
450
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.3
13
Embodied Energy, MJ/kg 47
190
Embodied Water, L/kg 160
250

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
43
Strength to Weight: Bending, points 22
32
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 15
38

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.8
Boron (B), % 0
0 to 0.0030
Carbon (C), % 0.050 to 0.1
0 to 0.080
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
17 to 21
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62.8 to 68.4
11.6 to 24.6
Manganese (Mn), % 0 to 0.8
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 10 to 12
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.4 to 2.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.65 to 1.2
Residuals, % 0
0 to 0.5