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SAE-AISI M62 Steel vs. Grade 250 Maraging Steel

Both SAE-AISI M62 steel and grade 250 maraging steel are iron alloys. They have 74% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M62 steel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 830 to 2440
970 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1650
1480
Melting Onset (Solidus), °C 1600
1430
Specific Heat Capacity, J/kg-K 430
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.5
8.2
Embodied Carbon, kg CO2/kg material 10
4.9
Embodied Energy, MJ/kg 150
65
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 49
16
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 27 to 80
33 to 61
Strength to Weight: Bending, points 23 to 47
26 to 40
Thermal Shock Resistance, points 24 to 71
29 to 54

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), % 1.3 to 1.4
0 to 0.030
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.6 to 77.4
66.3 to 71.1
Manganese (Mn), % 0.15 to 0.4
0 to 0.1
Molybdenum (Mo), % 10 to 11
4.6 to 5.2
Nickel (Ni), % 0 to 0.3
17 to 19
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.15 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Tungsten (W), % 5.8 to 6.5
0
Vanadium (V), % 1.8 to 2.1
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants