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AWS BNi-10 vs. EN 1.4438 Stainless Steel

AWS BNi-10 belongs to the nickel alloys classification, while EN 1.4438 stainless steel belongs to the iron alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-10 and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 600
620

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 1110
1450
Melting Onset (Solidus), °C 970
1400
Specific Heat Capacity, J/kg-K 440
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 80
22
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 11
4.4
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 230
160

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.0 to 3.0
0
Carbon (C), % 0.4 to 0.55
0 to 0.030
Chromium (Cr), % 10 to 13
17.5 to 19.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 4.5
57.3 to 66.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 57.2 to 67.1
13 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 15 to 17
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0