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AISI W1 Steel vs. EN 1.0303 Steel

Both AISI W1 steel and EN 1.0303 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI W1 steel and the bottom bar is EN 1.0303 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 72
73
Tensile Strength: Ultimate (UTS), MPa 590 to 2320
290 to 410

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
18
Embodied Water, L/kg 47
46

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 83
10 to 15
Strength to Weight: Bending, points 20 to 50
12 to 16
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 22 to 85
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.7 to 1.5
0.020 to 0.060
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.4 to 98.9
99.335 to 99.71
Manganese (Mn), % 0.35 to 0.73
0.25 to 0.4
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.1 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0