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AWS BNi-7 vs. EN 1.4411 Stainless Steel

AWS BNi-7 belongs to the nickel alloys classification, while EN 1.4411 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-7 and the bottom bar is EN 1.4411 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
78
Tensile Strength: Ultimate (UTS), MPa 550
870

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 890
1450
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 8.8
3.0
Embodied Energy, MJ/kg 120
41
Embodied Water, L/kg 240
130

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 19
26
Thermal Shock Resistance, points 21
28

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 13 to 15
15 to 17
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
73.1 to 79.5
Manganese (Mn), % 0 to 0.040
0 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 73.3 to 77.3
4.0 to 6.0
Phosphorus (P), % 9.7 to 10.5
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0