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S38815 Stainless Steel vs. AWS E312

Both S38815 stainless steel and AWS E312 are iron alloys. They have 83% of their average alloy composition in common. There are 21 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 S38815 stainless steel and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
25
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 610
740

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Melting Completion (Liquidus), °C 1360
1410
Melting Onset (Solidus), °C 1310
1360
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
20
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.8
3.6
Embodied Energy, MJ/kg 54
52
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 18
31
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 13 to 15
28 to 32
Copper (Cu), % 0.75 to 1.5
0 to 0.75
Iron (Fe), % 56.1 to 67
52.3 to 63.5
Manganese (Mn), % 0 to 2.0
0.5 to 2.5
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.75
Nickel (Ni), % 13 to 17
8.0 to 10.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030