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Grade 350 Maraging Steel vs. SAE-AISI H11 Steel

Both grade 350 maraging steel and SAE-AISI H11 steel are iron alloys. They have 65% 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 350 maraging steel and the bottom bar is SAE-AISI H11 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
74
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
5.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.0
Embodied Energy, MJ/kg 74
43
Embodied Water, L/kg 160
75

Common Calculations

PREN (Pitting Resistance) 16
9.6
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
25 to 66
Strength to Weight: Bending, points 29 to 49
22 to 43
Thermal Shock Resistance, points 35 to 74
22 to 58

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
0.33 to 0.43
Chromium (Cr), % 0
4.8 to 5.5
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.2 to 64.6
89.6 to 92.5
Manganese (Mn), % 0 to 0.1
0.2 to 0.5
Molybdenum (Mo), % 4.6 to 5.2
1.1 to 1.6
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), % 1.3 to 1.6
0
Vanadium (V), % 0
0.3 to 0.6
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants