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AISI W2 Steel vs. S35135 Stainless Steel

Both AISI W2 steel and S35135 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
590

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.8
Embodied Energy, MJ/kg 29
94
Embodied Water, L/kg 48
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 86
20
Strength to Weight: Bending, points 20 to 51
19
Thermal Shock Resistance, points 19 to 80
13

Alloy Composition

Carbon (C), % 0.85 to 1.5
0 to 0.080
Chromium (Cr), % 0 to 0.15
20 to 25
Copper (Cu), % 0 to 0.2
0 to 0.75
Iron (Fe), % 96.2 to 98.6
28.3 to 45
Manganese (Mn), % 0.35 to 0.74
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
4.0 to 4.8
Nickel (Ni), % 0 to 0.2
30 to 38
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.4
0.6 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.4 to 1.0
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0