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EN 1.4325 Stainless Steel vs. AWS BNi-4

EN 1.4325 stainless steel belongs to the iron alloys classification, while AWS BNi-4 belongs to the nickel 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 EN 1.4325 stainless steel and the bottom bar is AWS BNi-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
67
Tensile Strength: Ultimate (UTS), MPa 650
430

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Melting Completion (Liquidus), °C 1430
1070
Melting Onset (Solidus), °C 1380
980
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 42
140
Embodied Water, L/kg 140
220

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 23
14
Strength to Weight: Bending, points 21
15
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
1.5 to 2.2
Carbon (C), % 0.030 to 0.15
0 to 0.060
Chromium (Cr), % 17 to 19
0
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 67.8 to 75
0 to 1.5
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 8.0 to 10
91.4 to 95.5
Phosphorus (P), % 0 to 0.045
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5