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AWS ER120S-1 vs. S20910 Stainless Steel

Both AWS ER120S-1 and S20910 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 25 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 AWS ER120S-1 and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
14 to 39
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 930
780 to 940
Tensile Strength: Yield (Proof), MPa 830
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 4.2
22
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
4.8
Embodied Energy, MJ/kg 25
68
Embodied Water, L/kg 56
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 1850
460 to 1640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33
28 to 33
Strength to Weight: Bending, points 27
24 to 27
Thermal Diffusivity, mm2/s 13
3.6
Thermal Shock Resistance, points 27
17 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 0 to 0.6
20.5 to 23.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.4 to 96.1
52.1 to 62.1
Manganese (Mn), % 1.4 to 1.8
4.0 to 6.0
Molybdenum (Mo), % 0.3 to 0.65
1.5 to 3.0
Nickel (Ni), % 2.0 to 2.8
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.010
0 to 0.040
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
0.1 to 0.3
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.5
0