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AISI 446 Stainless Steel vs. S35045 Stainless Steel

Both AISI 446 stainless steel and S35045 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% 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 S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 360
370
Tensile Strength: Ultimate (UTS), MPa 570
540
Tensile Strength: Yield (Proof), MPa 300
190

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 440
520
Maximum Temperature: Mechanical, °C 1180
1100
Melting Completion (Liquidus), °C 1510
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.8
Embodied Energy, MJ/kg 35
83
Embodied Water, L/kg 150
230

Common Calculations

PREN (Pitting Resistance) 27
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 230
94
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 4.6
3.2
Thermal Shock Resistance, points 19
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.2
0.060 to 0.1
Chromium (Cr), % 23 to 27
25 to 29
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 69.2 to 77
29.4 to 42.6
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 0 to 0.75
32 to 37
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6