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Grade 300 Maraging Steel vs. SAE-AISI T15 Steel

Both grade 300 maraging steel and SAE-AISI T15 steel are iron alloys. They have 73% 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 300 maraging steel and the bottom bar is SAE-AISI T15 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
76
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1690
Melting Onset (Solidus), °C 1430
1640
Specific Heat Capacity, J/kg-K 450
430
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
43
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 5.1
16
Embodied Energy, MJ/kg 68
250
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 16
27
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 35 to 68
26 to 71
Strength to Weight: Bending, points 28 to 43
22 to 43
Thermal Shock Resistance, points 31 to 62
26 to 70

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
1.5 to 1.6
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 8.5 to 9.5
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65 to 68.4
67.5 to 73.5
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
0 to 1.0
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
0.15 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants