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AWS E308Mo vs. S35500 Stainless Steel

Both AWS E308Mo and S35500 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E308Mo and the bottom bar is S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 620
1330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.5
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 28
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
47 to 53
Strength to Weight: Bending, points 20
34 to 37
Thermal Diffusivity, mm2/s 4.2
4.4
Thermal Shock Resistance, points 16
44 to 49

Alloy Composition

Carbon (C), % 0 to 0.080
0.1 to 0.15
Chromium (Cr), % 18 to 21
15 to 16
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 59.6 to 70.5
73.2 to 77.7
Manganese (Mn), % 0.5 to 2.5
0.5 to 1.3
Molybdenum (Mo), % 2.0 to 3.0
2.5 to 3.2
Nickel (Ni), % 9.0 to 12
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0.070 to 0.13
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030