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Grade 300 Maraging Steel vs. SAE-AISI M50 Steel

Both grade 300 maraging steel and SAE-AISI M50 steel are iron alloys. They have 71% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is SAE-AISI M50 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
75
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.0
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.1
5.1
Embodied Energy, MJ/kg 68
74
Embodied Water, L/kg 150
83

Common Calculations

PREN (Pitting Resistance) 16
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35 to 68
26 to 80
Strength to Weight: Bending, points 28 to 43
23 to 49
Thermal Shock Resistance, points 31 to 62
21 to 66

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
0.78 to 0.88
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 8.5 to 9.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65 to 68.4
87 to 90.4
Manganese (Mn), % 0 to 0.1
0.15 to 0.45
Molybdenum (Mo), % 4.6 to 5.2
3.9 to 4.8
Nickel (Ni), % 18 to 19
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Vanadium (V), % 0
0.8 to 1.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants