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AWS BNi-4 vs. EN 1.4945 Stainless Steel

AWS BNi-4 belongs to the nickel alloys classification, while EN 1.4945 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-4 and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 67
77
Tensile Strength: Ultimate (UTS), MPa 430
640 to 740

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 1070
1490
Melting Onset (Solidus), °C 980
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
30
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 10
5.0
Embodied Energy, MJ/kg 140
73
Embodied Water, L/kg 220
150

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 14
22 to 25
Strength to Weight: Bending, points 15
20 to 22
Thermal Shock Resistance, points 16
14 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
57.9 to 65.7
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 91.4 to 95.5
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.020
0 to 0.035
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0.3 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
2.5 to 3.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0