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Grade 250 Maraging Steel vs. SAE-AISI M6 Steel

Both grade 250 maraging steel and SAE-AISI M6 steel are iron alloys. They have 81% 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 M6 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
77
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1480
1560
Melting Onset (Solidus), °C 1430
1510
Specific Heat Capacity, J/kg-K 450
440
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 32
39
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 4.9
8.0
Embodied Energy, MJ/kg 65
120
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 16
28
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 33 to 61
28 to 73
Strength to Weight: Bending, points 26 to 40
24 to 45
Thermal Shock Resistance, points 29 to 54
26 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
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 7.0 to 8.5
11 to 13
Iron (Fe), % 66.3 to 71.1
68.8 to 74.6
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
4.5 to 5.5
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants