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S21900 Stainless Steel vs. AWS ER100S-1

Both S21900 stainless steel and AWS ER100S-1 are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is AWS ER100S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
18
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 710
770
Tensile Strength: Yield (Proof), MPa 390
700

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.8
Embodied Energy, MJ/kg 43
24
Embodied Water, L/kg 160
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380
1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 19 to 21.5
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.4 to 67.4
93.5 to 96.9
Manganese (Mn), % 8.0 to 10
1.3 to 1.8
Molybdenum (Mo), % 0
0.25 to 0.55
Nickel (Ni), % 5.5 to 7.5
1.4 to 2.1
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0.2 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5