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AISI 305 Stainless Steel vs. AWS ER120S-1

Both AISI 305 stainless steel and AWS ER120S-1 are iron alloys. They have 73% 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 AISI 305 stainless steel and the bottom bar is AWS ER120S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 45
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 580 to 710
930
Tensile Strength: Yield (Proof), MPa 230 to 350
830

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
4.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.9
Embodied Energy, MJ/kg 45
25
Embodied Water, L/kg 150
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
150
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
1850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
33
Strength to Weight: Bending, points 20 to 23
27
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 13 to 15
27

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 17 to 19
0 to 0.6
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.1 to 72.5
92.4 to 96.1
Manganese (Mn), % 0 to 2.0
1.4 to 1.8
Molybdenum (Mo), % 0
0.3 to 0.65
Nickel (Ni), % 10.5 to 13
2.0 to 2.8
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0.25 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5