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S38815 Stainless Steel vs. AWS E349

Both S38815 stainless steel and AWS E349 are iron alloys. They have 87% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is AWS E349.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
29
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 610
770

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Melting Completion (Liquidus), °C 1360
1470
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.8
4.9
Embodied Energy, MJ/kg 54
72
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 18
24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 15
20

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.13
Chromium (Cr), % 13 to 15
18 to 21
Copper (Cu), % 0.75 to 1.5
0 to 0.75
Iron (Fe), % 56.1 to 67
60.5 to 71.1
Manganese (Mn), % 0 to 2.0
0.5 to 2.5
Molybdenum (Mo), % 0.75 to 1.5
0.35 to 0.65
Nickel (Ni), % 13 to 17
8.0 to 10
Niobium (Nb), % 0
0.75 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
0.1 to 0.3