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AISI W1 Steel vs. Grade 200 Maraging Steel

Both AISI W1 steel and grade 200 maraging steel are iron alloys. They have 70% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI W1 steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
74
Tensile Strength: Ultimate (UTS), MPa 590 to 2320
970 to 1500

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
31
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.6
4.5
Embodied Energy, MJ/kg 21
59
Embodied Water, L/kg 47
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 83
33 to 51
Strength to Weight: Bending, points 20 to 50
27 to 35
Thermal Shock Resistance, points 22 to 85
29 to 45

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0.7 to 1.5
0 to 0.030
Chromium (Cr), % 0 to 0.15
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.4 to 98.9
67.8 to 71.8
Manganese (Mn), % 0.35 to 0.73
0 to 0.1
Molybdenum (Mo), % 0 to 0.1
3.0 to 3.5
Nickel (Ni), % 0 to 0.2
17 to 19
Phosphorus (P), % 0 to 0.025
0 to 0.010
Silicon (Si), % 0.1 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants