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S31277 Stainless Steel vs. AWS ER90S-B3

Both S31277 stainless steel and AWS ER90S-B3 are iron alloys. They have 46% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is AWS ER90S-B3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
19
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 860
690
Tensile Strength: Yield (Proof), MPa 410
620

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
4.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.8
Embodied Energy, MJ/kg 90
24
Embodied Water, L/kg 220
60

Common Calculations

PREN (Pitting Resistance) 51
6.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
130
Resilience: Unit (Modulus of Resilience), kJ/m3 410
1000
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 19
20

Alloy Composition


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Carbon (C), % 0 to 0.020
0.070 to 0.12
Chromium (Cr), % 20.5 to 23
2.3 to 2.7
Copper (Cu), % 0.5 to 1.5
0 to 0.35
Iron (Fe), % 35.5 to 46.2
93.5 to 95.9
Manganese (Mn), % 0 to 3.0
0.4 to 0.7
Molybdenum (Mo), % 6.5 to 8.0
0.9 to 1.2
Nickel (Ni), % 26 to 28
0 to 0.2
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.4 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.025
Residuals, % 0
0 to 0.5