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AWS BNi-9 vs. EN 1.4509 Stainless Steel

AWS BNi-9 belongs to the nickel alloys classification, while EN 1.4509 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-9 and the bottom bar is EN 1.4509 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 580
530

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1060
1440
Melting Onset (Solidus), °C 1060
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 9.3
2.8
Embodied Energy, MJ/kg 130
41
Embodied Water, L/kg 260
120

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 18
19
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 3.3 to 4.0
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 13.5 to 16.5
17.5 to 18.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
77.8 to 82.1
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 77.1 to 83.3
0
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0.1 to 0.6
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0