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AWS BNi-4 vs. ASTM Grade HE Steel

AWS BNi-4 belongs to the nickel alloys classification, while ASTM grade HE steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 67
79
Tensile Strength: Ultimate (UTS), MPa 430
670

Thermal Properties

Latent Heat of Fusion, J/g 340
310
Melting Completion (Liquidus), °C 1070
1400
Melting Onset (Solidus), °C 980
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
19
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
3.5
Embodied Energy, MJ/kg 140
50
Embodied Water, L/kg 220
190

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 14
24
Strength to Weight: Bending, points 15
22
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0.2 to 0.5
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
53.9 to 65.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 91.4 to 95.5
8.0 to 11
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0