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Grade 350 Maraging Steel vs. SAE-AISI D4 Steel

Both grade 350 maraging steel and SAE-AISI D4 steel are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
8.4 to 15
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
74
Shear Strength, MPa 710 to 1400
460 to 1210
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
760 to 2060
Tensile Strength: Yield (Proof), MPa 830 to 2300
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
8.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 5.6
3.3
Embodied Energy, MJ/kg 74
49
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 16
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
100 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
27 to 75
Strength to Weight: Bending, points 29 to 49
24 to 47
Thermal Shock Resistance, points 35 to 74
23 to 63

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
2.1 to 2.4
Chromium (Cr), % 0
11 to 13
Cobalt (Co), % 11.5 to 12.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.2 to 64.6
80.6 to 86.3
Manganese (Mn), % 0 to 0.1
0 to 0.6
Molybdenum (Mo), % 4.6 to 5.2
0.7 to 1.2
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 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.3 to 1.6
0
Vanadium (V), % 0
0 to 1.0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants