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S38815 Stainless Steel vs. AISI W1 Steel

Both S38815 stainless steel and AISI W1 steel are iron alloys. They have 63% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is AISI W1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Tensile Strength: Ultimate (UTS), MPa 610
590 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1410
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.2
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.6
Embodied Energy, MJ/kg 54
21
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21 to 83
Strength to Weight: Bending, points 21
20 to 50
Thermal Shock Resistance, points 15
22 to 85

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.7 to 1.5
Chromium (Cr), % 13 to 15
0 to 0.15
Copper (Cu), % 0.75 to 1.5
0 to 0.2
Iron (Fe), % 56.1 to 67
96.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.35 to 0.73
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.1
Nickel (Ni), % 13 to 17
0 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 5.5 to 6.5
0.1 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.025
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0 to 0.1