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AISI 446 Stainless Steel vs. EN 1.4655 Stainless Steel

Both AISI 446 stainless steel and EN 1.4655 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is EN 1.4655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
23 to 25
Fatigue Strength, MPa 200
320
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
78
Shear Strength, MPa 360
460
Tensile Strength: Ultimate (UTS), MPa 570
720 to 730
Tensile Strength: Yield (Proof), MPa 300
450 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1180
1050
Melting Completion (Liquidus), °C 1510
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.9
Embodied Energy, MJ/kg 35
41
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 27
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 230
510 to 580
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 21
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 23 to 27
22 to 24
Copper (Cu), % 0
1.0 to 3.0
Iron (Fe), % 69.2 to 77
63.6 to 73.4
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0 to 0.75
3.5 to 5.5
Nitrogen (N), % 0 to 0.25
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015