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Grade 250 Maraging Steel vs. SAE-AISI O1 Steel

Both grade 250 maraging steel and SAE-AISI O1 steel are iron alloys. They have 69% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is SAE-AISI O1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
640 to 2060

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.4
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.9
Embodied Energy, MJ/kg 65
27
Embodied Water, L/kg 140
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
23 to 73
Strength to Weight: Bending, points 26 to 40
21 to 46
Thermal Shock Resistance, points 29 to 54
21 to 68

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.85 to 1.0
Chromium (Cr), % 0
0.4 to 0.6
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.3 to 71.1
95 to 97.4
Manganese (Mn), % 0 to 0.1
1.0 to 1.4
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0 to 0.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants