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EN 1.4508 Stainless Steel vs. AWS BNi-5

EN 1.4508 stainless steel belongs to the iron alloys classification, while AWS BNi-5 belongs to the nickel 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 (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4508 stainless steel and the bottom bar is AWS BNi-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 570
470

Thermal Properties

Latent Heat of Fusion, J/g 300
470
Melting Completion (Liquidus), °C 1450
1140
Melting Onset (Solidus), °C 1400
1080
Specific Heat Capacity, J/kg-K 470
510
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
55
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.0
8.9
Embodied Energy, MJ/kg 55
130
Embodied Water, L/kg 160
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 17
15

Alloy Composition


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Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0 to 0.030
Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 18 to 20
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 61.2 to 69.9
0
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
69.1 to 71.8
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.5
9.8 to 10.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5