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S38815 Stainless Steel vs. AWS ER80S-B8

Both S38815 stainless steel and AWS ER80S-B8 are iron alloys. They have 73% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is AWS ER80S-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 610
630
Tensile Strength: Yield (Proof), MPa 290
530

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
6.5
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
2.0
Embodied Energy, MJ/kg 54
28
Embodied Water, L/kg 140
89

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 13 to 15
8.0 to 10.5
Copper (Cu), % 0.75 to 1.5
0 to 0.35
Iron (Fe), % 56.1 to 67
85.6 to 90.8
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0.75 to 1.5
0.8 to 1.2
Nickel (Ni), % 13 to 17
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 5.5 to 6.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.025
Residuals, % 0
0 to 0.5