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AWS BNi-4 vs. EN 1.4724 Stainless Steel

AWS BNi-4 belongs to the nickel alloys classification, while EN 1.4724 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 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 67
75
Tensile Strength: Ultimate (UTS), MPa 430
550

Thermal Properties

Latent Heat of Fusion, J/g 340
290
Melting Completion (Liquidus), °C 1070
1430
Melting Onset (Solidus), °C 980
1390
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.0
Density, g/cm3 8.5
7.7
Embodied Carbon, kg CO2/kg material 10
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 220
110

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 14
20
Strength to Weight: Bending, points 15
19
Thermal Shock Resistance, points 16
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0.7 to 1.2
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.12
Chromium (Cr), % 0
12 to 14
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
82.2 to 86.6
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 91.4 to 95.5
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
0.7 to 1.4
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