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EN 1.4308 Stainless Steel vs. AWS ERNi-1

EN 1.4308 stainless steel belongs to the iron alloys classification, while AWS ERNi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4308 stainless steel and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 34
22
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
69
Tensile Strength: Ultimate (UTS), MPa 510
470

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
73
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
19

Otherwise Unclassified Properties

Base Metal Price, % relative 15
60
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.0
11
Embodied Energy, MJ/kg 43
150
Embodied Water, L/kg 150
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 4.1
19
Thermal Shock Resistance, points 11
17

Alloy Composition


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Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 65.9 to 74
0 to 1.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 8.0 to 11
93 to 98
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.0 to 3.5
Residuals, % 0
0 to 0.5