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AWS ER90S-B3 vs. S32050 Stainless Steel

Both AWS ER90S-B3 and S32050 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 19
46
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 690
770
Tensile Strength: Yield (Proof), MPa 620
370

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
6.0
Embodied Energy, MJ/kg 24
81
Embodied Water, L/kg 60
210

Common Calculations

PREN (Pitting Resistance) 6.0
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0.070 to 0.12
0 to 0.030
Chromium (Cr), % 2.3 to 2.7
22 to 24
Copper (Cu), % 0 to 0.35
0 to 0.4
Iron (Fe), % 93.5 to 95.9
43.1 to 51.8
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
6.0 to 6.6
Nickel (Ni), % 0 to 0.2
20 to 23
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.4 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.020
Residuals, % 0 to 0.5
0