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AWS E308LMo vs. S30615 Stainless Steel

Both AWS E308LMo and S30615 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E308LMo and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
39
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 580
690

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 3.8
3.7
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 28
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0 to 0.040
0.16 to 0.24
Chromium (Cr), % 18 to 21
17 to 19.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 59.6 to 70.5
56.7 to 65.3
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 12
13.5 to 16
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
3.2 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.030