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AWS ER90S-B3 vs. S41425 Stainless Steel

Both AWS ER90S-B3 and S41425 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
17
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 690
920
Tensile Strength: Yield (Proof), MPa 620
750

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.8
2.9
Embodied Energy, MJ/kg 24
40
Embodied Water, L/kg 60
120

Common Calculations

PREN (Pitting Resistance) 6.0
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
1420
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
33
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 11
4.4
Thermal Shock Resistance, points 20
33

Alloy Composition


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Carbon (C), % 0.070 to 0.12
0 to 0.050
Chromium (Cr), % 2.3 to 2.7
12 to 15
Copper (Cu), % 0 to 0.35
0 to 0.3
Iron (Fe), % 93.5 to 95.9
74 to 81.9
Manganese (Mn), % 0.4 to 0.7
0.5 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
1.5 to 2.0
Nickel (Ni), % 0 to 0.2
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.4 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0050
Residuals, % 0 to 0.5
0