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S45000 Stainless Steel vs. AWS ENi-1

S45000 stainless steel belongs to the iron alloys classification, while AWS ENi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is AWS ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 6.8 to 14
22
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
69
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
470

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1390
1310
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 17
73
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
19
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
19

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 2.8
11
Embodied Energy, MJ/kg 39
150
Embodied Water, L/kg 130
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 35 to 50
15
Strength to Weight: Bending, points 28 to 36
15
Thermal Diffusivity, mm2/s 4.5
19
Thermal Shock Resistance, points 33 to 47
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.0
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
0 to 0.25
Iron (Fe), % 72.1 to 79.3
0 to 0.75
Manganese (Mn), % 0 to 1.0
0 to 0.75
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
92 to 99
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.3
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
1.0 to 4.0
Residuals, % 0
0 to 0.5