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Grade 300 Maraging Steel vs. SAE-AISI 4150 Steel

Both grade 300 maraging steel and SAE-AISI 4150 steel are iron alloys. They have 67% of their average alloy composition in common. There are 23 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 300 maraging steel and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.5 to 18
12 to 20
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 640 to 1190
410 to 800
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
660 to 1310
Tensile Strength: Yield (Proof), MPa 760 to 1990
380 to 1220

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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.4
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.1
1.5
Embodied Energy, MJ/kg 68
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
82 to 180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 35 to 68
24 to 47
Strength to Weight: Bending, points 28 to 43
22 to 34
Thermal Shock Resistance, points 31 to 62
19 to 39

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
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
96.7 to 97.7
Manganese (Mn), % 0 to 0.1
0.75 to 1.0
Molybdenum (Mo), % 4.6 to 5.2
0.15 to 0.25
Nickel (Ni), % 18 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.1
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.5 to 0.8
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants