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SAE-AISI H14 Steel vs. Grade 300 Maraging Steel

Both SAE-AISI H14 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 (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H14 steel and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 13
16
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24 to 69
35 to 68
Strength to Weight: Bending, points 22 to 44
28 to 43
Thermal Shock Resistance, points 24 to 68
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), % 0.35 to 0.45
0 to 0.030
Chromium (Cr), % 4.8 to 5.5
0
Cobalt (Co), % 0
8.5 to 9.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 86.5 to 89.9
65 to 68.4
Manganese (Mn), % 0.2 to 0.5
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), % 0.8 to 1.2
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.5 to 0.8
Tungsten (W), % 4.0 to 5.3
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants