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EN 1.4517 Stainless Steel vs. AISI 446 Stainless Steel

Both EN 1.4517 stainless steel and AISI 446 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4517 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
23
Fatigue Strength, MPa 380
200
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 730
570
Tensile Strength: Yield (Proof), MPa 550
300

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1180
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.4
Embodied Energy, MJ/kg 53
35
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 38
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 740
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.6
4.6
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 24.5 to 26.5
23 to 27
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.7 to 65.1
69.2 to 77
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
0 to 0.75
Nitrogen (N), % 0.12 to 0.22
0 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030