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SAE-AISI T1 Steel vs. Grade 300 Maraging Steel

Both SAE-AISI T1 steel and grade 300 maraging steel are iron alloys. They have 67% 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 SAE-AISI T1 steel and the bottom bar is grade 300 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 80
75
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
1030 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 1810
1480
Melting Onset (Solidus), °C 1750
1430
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
34
Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 8.2
5.1
Embodied Energy, MJ/kg 130
68
Embodied Water, L/kg 90
150

Common Calculations

PREN (Pitting Resistance) 34
16
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 23 to 64
35 to 68
Strength to Weight: Bending, points 20 to 40
28 to 43
Thermal Shock Resistance, points 23 to 64
31 to 62

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), % 0.65 to 0.8
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 0
8.5 to 9.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
65 to 68.4
Manganese (Mn), % 0.1 to 0.4
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.3
18 to 19
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.2 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.5 to 0.8
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants