MakeItFrom.com
Menu (ESC)

AISI W1 Steel vs. S31277 Stainless Steel

Both AISI W1 steel and S31277 stainless steel are iron alloys. They have 42% of their average alloy composition in common. 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 W1 steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 590 to 2320
860

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
6.7
Embodied Energy, MJ/kg 21
90
Embodied Water, L/kg 47
220

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 83
29
Strength to Weight: Bending, points 20 to 50
25
Thermal Shock Resistance, points 22 to 85
19

Alloy Composition

Carbon (C), % 0.7 to 1.5
0 to 0.020
Chromium (Cr), % 0 to 0.15
20.5 to 23
Copper (Cu), % 0 to 0.2
0.5 to 1.5
Iron (Fe), % 96.4 to 98.9
35.5 to 46.2
Manganese (Mn), % 0.35 to 0.73
0 to 3.0
Molybdenum (Mo), % 0 to 0.1
6.5 to 8.0
Nickel (Ni), % 0 to 0.2
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0