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Grade 350 Maraging Steel vs. AWS BNi-3

Grade 350 maraging steel belongs to the iron alloys classification, while AWS BNi-3 belongs to the nickel alloys. There are 19 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 AWS BNi-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
170
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 75
66
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
430

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Melting Completion (Liquidus), °C 1470
1040
Melting Onset (Solidus), °C 1420
980
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 39
60
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 5.6
9.9
Embodied Energy, MJ/kg 74
140
Embodied Water, L/kg 160
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 38 to 82
14
Strength to Weight: Bending, points 29 to 49
15
Thermal Shock Resistance, points 35 to 74
17

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0 to 0.050
Boron (B), % 0 to 0.0030
2.8 to 3.5
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.060
Cobalt (Co), % 11.5 to 12.5
0 to 0.1
Iron (Fe), % 61.2 to 64.6
0 to 0.5
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
90.1 to 93.3
Phosphorus (P), % 0 to 0.010
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.1
4.0 to 5.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 1.3 to 1.6
0 to 0.050
Zirconium (Zr), % 0 to 0.020
0 to 0.050
Residuals, % 0
0 to 0.5