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EN 1.3956 Stainless Steel vs. AWS BNi-5

EN 1.3956 stainless steel belongs to the iron alloys classification, while AWS BNi-5 belongs to the nickel alloys. They have a modest 32% 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 (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3956 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 650
470

Thermal Properties

Latent Heat of Fusion, J/g 300
470
Melting Completion (Liquidus), °C 1420
1140
Melting Onset (Solidus), °C 1380
1080
Specific Heat Capacity, J/kg-K 480
510
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
55
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
8.9
Embodied Energy, MJ/kg 68
130
Embodied Water, L/kg 180
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
0 to 0.030
Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 20.5 to 23.5
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 51.9 to 62.1
0
Manganese (Mn), % 4.0 to 6.0
0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
69.1 to 71.8
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
9.8 to 10.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0.1 to 0.3
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5