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AWS E3155 vs. S30415 Stainless Steel

Both AWS E3155 and S30415 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 23 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 AWS E3155 and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 770
670

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
21
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.7
3.1
Embodied Energy, MJ/kg 110
43
Embodied Water, L/kg 300
140

Common Calculations

PREN (Pitting Resistance) 35
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.3
5.6
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.1
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 20 to 22.5
18 to 19
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 23.3 to 36.3
67.8 to 71.8
Manganese (Mn), % 1.0 to 2.5
0 to 0.8
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
9.0 to 10
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0