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AISI 446 Stainless Steel vs. EN 1.6773 Steel

Both AISI 446 stainless steel and EN 1.6773 steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, 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 1.6773 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 200
560
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 360
670
Tensile Strength: Ultimate (UTS), MPa 570
1120
Tensile Strength: Yield (Proof), MPa 300
910

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1180
450
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.9
Embodied Energy, MJ/kg 35
26
Embodied Water, L/kg 150
61

Common Calculations

PREN (Pitting Resistance) 27
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
2210
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 19
33

Alloy Composition

Carbon (C), % 0 to 0.2
0.32 to 0.39
Chromium (Cr), % 23 to 27
1.6 to 2.0
Iron (Fe), % 69.2 to 77
92 to 93.9
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 0 to 0.75
3.6 to 4.1
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025