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Grade 300 Maraging Steel vs. SAE-AISI T6 Steel

Both grade 300 maraging steel and SAE-AISI T6 steel are iron alloys. They have 70% 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 T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1830
Melting Onset (Solidus), °C 1430
1770
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
70
Density, g/cm3 8.2
9.5
Embodied Carbon, kg CO2/kg material 5.1
11
Embodied Energy, MJ/kg 68
170
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 16
39
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 35 to 68
26 to 63
Strength to Weight: Bending, points 28 to 43
21 to 39
Thermal Shock Resistance, points 31 to 62
26 to 64

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
0.75 to 0.85
Chromium (Cr), % 0
4.0 to 4.8
Cobalt (Co), % 8.5 to 9.5
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65 to 68.4
55.9 to 63.5
Manganese (Mn), % 0 to 0.1
0.2 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
0.4 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
0.2 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0
1.5 to 2.1
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants