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Grade 350 Maraging Steel vs. SAE-AISI M34 Steel

Both grade 350 maraging steel and SAE-AISI M34 steel are iron alloys. They have 76% 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 350 maraging steel and the bottom bar is SAE-AISI M34 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 1140 to 2420
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1470
1540
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 450
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
32
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 5.6
9.5
Embodied Energy, MJ/kg 74
140
Embodied Water, L/kg 160
150

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 38 to 82
27 to 74
Strength to Weight: Bending, points 29 to 49
23 to 46
Thermal Shock Resistance, points 35 to 74
25 to 67

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
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 11.5 to 12.5
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.2 to 64.6
71.3 to 76.5
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
7.8 to 9.2
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
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.3 to 1.6
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants