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Grade 300 Maraging Steel vs. SAE-AISI H41 Steel

Both grade 300 maraging steel and SAE-AISI H41 steel are iron alloys. They have 72% 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 H41 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1560
Melting Onset (Solidus), °C 1430
1510
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
18
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 5.1
6.8
Embodied Energy, MJ/kg 68
97
Embodied Water, L/kg 150
97

Common Calculations

PREN (Pitting Resistance) 16
35
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 35 to 68
24 to 76
Strength to Weight: Bending, points 28 to 43
22 to 47
Thermal Shock Resistance, points 31 to 62
20 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
0.6 to 0.75
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 8.5 to 9.5
0
Iron (Fe), % 65 to 68.4
81.8 to 85
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
8.2 to 9.2
Nickel (Ni), % 18 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.5 to 0.8
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants