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SAE-AISI T6 Steel vs. Grade 350 Maraging Steel

Both SAE-AISI T6 steel and grade 350 maraging 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 SAE-AISI T6 steel and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
1140 to 2420

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1830
1470
Melting Onset (Solidus), °C 1770
1420
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
39
Density, g/cm3 9.5
8.2
Embodied Carbon, kg CO2/kg material 11
5.6
Embodied Energy, MJ/kg 170
74
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 39
16
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 26 to 63
38 to 82
Strength to Weight: Bending, points 21 to 39
29 to 49
Thermal Shock Resistance, points 26 to 64
35 to 74

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), % 0.75 to 0.85
0 to 0.030
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 13
11.5 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 55.9 to 63.5
61.2 to 64.6
Manganese (Mn), % 0.2 to 0.4
0 to 0.1
Molybdenum (Mo), % 0.4 to 1.0
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
1.3 to 1.6
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants