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AWS BNi-1a vs. EN 1.4805 Stainless Steel

AWS BNi-1a belongs to the nickel alloys classification, while EN 1.4805 stainless steel belongs to the iron alloys. They have 45% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-1a and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 70
77
Tensile Strength: Ultimate (UTS), MPa 450
490

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Melting Completion (Liquidus), °C 1080
1390
Melting Onset (Solidus), °C 980
1350
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
26
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 8.8
4.7
Embodied Energy, MJ/kg 120
66
Embodied Water, L/kg 240
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 15
11

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0.2 to 0.5
Chromium (Cr), % 13 to 15
19 to 23
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 4.0 to 5.0
44.9 to 56.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 70.6 to 76.3
23 to 27
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
1.0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0