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AWS BNi-7 vs. EN 1.8872 Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.8872 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-7 and the bottom bar is EN 1.8872 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 67
73
Tensile Strength: Ultimate (UTS), MPa 550
610

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 890
1460
Melting Onset (Solidus), °C 890
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
2.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.7
Embodied Energy, MJ/kg 120
22
Embodied Water, L/kg 240
50

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0 to 0.0050
Carbon (C), % 0 to 0.060
0 to 0.18
Chromium (Cr), % 13 to 15
0 to 0.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 0 to 0.2
95.1 to 100
Manganese (Mn), % 0 to 0.040
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 73.3 to 77.3
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 9.7 to 10.5
0 to 0.020
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.0080
Titanium (Ti), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0 to 0.050
0 to 0.050
Residuals, % 0 to 0.5
0