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AWS BNi-8 vs. EN 1.4589 Stainless Steel

AWS BNi-8 belongs to the nickel alloys classification, while EN 1.4589 stainless 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-8 and the bottom bar is EN 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 67
77
Tensile Strength: Ultimate (UTS), MPa 570
650

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Melting Completion (Liquidus), °C 1010
1450
Melting Onset (Solidus), °C 980
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 46
9.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.4
Embodied Energy, MJ/kg 120
34
Embodied Water, L/kg 220
110

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 17
23

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 0
13.5 to 15.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0
78.2 to 85
Manganese (Mn), % 21.5 to 24.5
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 61.6 to 68.5
1.0 to 2.5
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0.3 to 0.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0