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S31277 Stainless Steel vs. AWS E120C-K4

Both S31277 stainless steel and AWS E120C-K4 are iron alloys. They have 45% of their average alloy composition in common. There are 23 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 S31277 stainless steel and the bottom bar is AWS E120C-K4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 860
950
Tensile Strength: Yield (Proof), MPa 410
840

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.7
Embodied Energy, MJ/kg 90
23
Embodied Water, L/kg 220
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
160
Resilience: Unit (Modulus of Resilience), kJ/m3 410
1880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
34
Strength to Weight: Bending, points 25
27
Thermal Shock Resistance, points 19
28

Alloy Composition


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Carbon (C), % 0 to 0.020
0 to 0.15
Chromium (Cr), % 20.5 to 23
0.15 to 0.65
Copper (Cu), % 0.5 to 1.5
0 to 0.35
Iron (Fe), % 35.5 to 46.2
92.1 to 98.4
Manganese (Mn), % 0 to 3.0
0.75 to 2.3
Molybdenum (Mo), % 6.5 to 8.0
0.25 to 0.65
Nickel (Ni), % 26 to 28
0.5 to 2.5
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 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0
0 to 0.030
Residuals, % 0
0 to 0.5