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AWS BNi-7 vs. SAE-AISI D3 Steel

AWS BNi-7 belongs to the nickel alloys classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
190
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
74
Tensile Strength: Ultimate (UTS), MPa 550
770 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 890
1430
Melting Onset (Solidus), °C 890
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
8.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 8.8
3.2
Embodied Energy, MJ/kg 120
48
Embodied Water, L/kg 240
100

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
28 to 74
Strength to Weight: Bending, points 19
24 to 47
Thermal Shock Resistance, points 21
23 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
2.0 to 2.4
Chromium (Cr), % 13 to 15
11 to 13.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 0.2
80.3 to 87
Manganese (Mn), % 0 to 0.040
0 to 0.6
Nickel (Ni), % 73.3 to 77.3
0 to 0.3
Phosphorus (P), % 9.7 to 10.5
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0