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Grade 300 Maraging Steel vs. SAE-AISI H14 Steel

Both grade 300 maraging steel and SAE-AISI H14 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 (10, 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 H14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1530
Melting Onset (Solidus), °C 1430
1490
Specific Heat Capacity, J/kg-K 450
460
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 34
15
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 5.1
2.7
Embodied Energy, MJ/kg 68
39
Embodied Water, L/kg 150
73

Common Calculations

PREN (Pitting Resistance) 16
13
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 35 to 68
24 to 69
Strength to Weight: Bending, points 28 to 43
22 to 44
Thermal Shock Resistance, points 31 to 62
24 to 68

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
0.35 to 0.45
Chromium (Cr), % 0
4.8 to 5.5
Cobalt (Co), % 8.5 to 9.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65 to 68.4
86.5 to 89.9
Manganese (Mn), % 0 to 0.1
0.2 to 0.5
Molybdenum (Mo), % 4.6 to 5.2
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
0.8 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Tungsten (W), % 0
4.0 to 5.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants