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S20432 Stainless Steel vs. AWS E308LMo

Both S20432 stainless steel and AWS E308LMo are iron alloys. They have 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S20432 stainless steel and the bottom bar is AWS E308LMo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
40
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 580
580

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 38
53
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 20
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.040
Chromium (Cr), % 17 to 18
18 to 21
Copper (Cu), % 2.0 to 3.0
0 to 0.75
Iron (Fe), % 66.7 to 74
59.6 to 70.5
Manganese (Mn), % 3.0 to 5.0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 4.0 to 6.0
9.0 to 12
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030