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AWS BNi-2 vs. EN 1.4307 Stainless Steel

AWS BNi-2 belongs to the nickel alloys classification, while EN 1.4307 stainless steel belongs to the iron alloys. 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-2 and the bottom bar is EN 1.4307 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 68
77
Tensile Strength: Ultimate (UTS), MPa 440
590 to 900

Thermal Properties

Latent Heat of Fusion, J/g 360
290
Melting Completion (Liquidus), °C 1000
1430
Melting Onset (Solidus), °C 970
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
15
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 9.3
3.0
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 230
140

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
21 to 32
Strength to Weight: Bending, points 16
20 to 27
Thermal Shock Resistance, points 16
13 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 6.0 to 8.0
17.5 to 19.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 3.5
66.8 to 74.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 79.1 to 84.8
8.0 to 10.5
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), % 4.0 to 5.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0