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AWS ER120S-1 vs. S21603 Stainless Steel

Both AWS ER120S-1 and S21603 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 23 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 AWS ER120S-1 and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
45
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 930
690
Tensile Strength: Yield (Proof), MPa 830
390

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 25
50
Embodied Water, L/kg 56
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1850
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 27
22
Thermal Shock Resistance, points 27
15

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0 to 0.6
17.5 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.4 to 96.1
57.6 to 67.8
Manganese (Mn), % 1.4 to 1.8
7.5 to 9.0
Molybdenum (Mo), % 0.3 to 0.65
2.0 to 3.0
Nickel (Ni), % 2.0 to 2.8
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0.25 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0 to 0.030
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.5
0