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Grade 250 Maraging Steel vs. SAE-AISI M33 Steel

Both grade 250 maraging steel and SAE-AISI M33 steel are iron alloys. They have 82% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (8, 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 M33 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
810 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1550
Melting Onset (Solidus), °C 1430
1500
Specific Heat Capacity, J/kg-K 450
440
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
32
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 4.9
7.7
Embodied Energy, MJ/kg 65
110
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 16
38
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
27 to 75
Strength to Weight: Bending, points 26 to 40
24 to 46
Thermal Shock Resistance, points 29 to 54
25 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 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 7.0 to 8.5
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 66.3 to 71.1
71.4 to 76.3
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
9.0 to 10
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
0.15 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Tungsten (W), % 0
1.3 to 2.1
Vanadium (V), % 0
1.0 to 1.4
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants