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AWS BNi-2 vs. SAE-AISI H25 Steel

AWS BNi-2 belongs to the nickel alloys classification, while SAE-AISI H25 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is SAE-AISI H25 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 68
79
Tensile Strength: Ultimate (UTS), MPa 440
710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 360
250
Melting Completion (Liquidus), °C 1000
1750
Melting Onset (Solidus), °C 970
1700
Specific Heat Capacity, J/kg-K 490
420
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
38
Density, g/cm3 8.2
9.1
Embodied Carbon, kg CO2/kg material 9.3
6.2
Embodied Energy, MJ/kg 130
93
Embodied Water, L/kg 230
83

Common Calculations

Stiffness to Weight: Axial, points 12
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 15
22 to 50
Strength to Weight: Bending, points 16
20 to 34
Thermal Shock Resistance, points 16
22 to 49

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0.22 to 0.32
Chromium (Cr), % 6.0 to 8.0
3.8 to 4.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 2.5 to 3.5
77.2 to 81.3
Manganese (Mn), % 0
0.15 to 0.4
Nickel (Ni), % 79.1 to 84.8
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0