Ferritic SS 446 Sheets and Plates
446 stainless sheet and 446 plate is a high chromium ferritic heat resistant alloy with excellent resistance to oxidation, sulfidation and other forms of hot corrosion. The grade 446 stainless steel is a non-heat treatable, ferritic stainless steel which provides good resistance to high temperature corrosion and oxidation.
Chemical properties for SS 446
|
GRADE |
Cu |
Ni |
Mn |
Si |
Ni |
C |
P |
S |
Fe |
|
|---|---|---|---|---|---|---|---|---|---|---|
|
SS 446 |
MIN |
23 |
– |
– |
– |
– |
||||
|
MAX |
27 |
0.25 |
1.5 |
1 |
0.25 |
0.2 |
0.04 |
0.03 |
BALANCE |
Properties
SS 446 Sheet and Plate is a low interstitial version of stainless steel due to the presence of more carbon content. These Stainless steels are harder, and have improved tensile stress but it also decreases ductility & weldability. The presence of silicon decreases hysteresis losses & improves magnetic permeability.
Mechanical Properties
|
Grade |
Tensile Strength |
Yield Strength |
Elongation |
Hardness, MAX |
|
|---|---|---|---|---|---|
|
[MPA] |
[MPA] |
(% in 50mm) min |
HBW |
HRB |
|
|
SS 446 |
585 |
450 |
18 |
241 |
100 |
Solution treated and aged SS 446 Sheets possesses excellent resistance to stress corrosion cracking. SS 446 plate has good resistance to sulphuric gases & oxidation in atmospheric conditions. Alloy 446 Stainless Steel plate also has better resistance to oil ash corrosion.
Physical Properties
|
Grade |
Density (g/cm3) |
Elastic Modulus (GPa) |
Coeff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
|---|---|---|---|---|
|
0-100°C |
||||
|
SS 446 |
7.8 |
200 |
10.4 |
21.6 |
According to the 446 stainless steel data sheet, SS 446 Sheet and plate is a high chromium ferritic heat resistant alloy which has excellent resistance to sulfidation, oxidation and other forms of hot corrosion. Because of the excellent oxidation resistance at high temperatures this grade is widely used as furnace parts and boiler baffles.
Specification
The Ferritic stainless steel 446 sheet and plate specified by ASTM standard as ASTM A 240 or ASME SA-240 are readily available in different types such as, for example, SS 446 Plane sheet and Plate, Shim, Thin, Perforated, Polished, Diamond, Chequered, Hot rolled, Cold rolled, Annealed, Soft annealed , coils, clad plate, strip etc.
As per availability and requirement Grade 446 Sheets and Plate can be manufactured in different types burt also they also has different types of finishing on surface such as for example, Brushed , Polished t, Mirror finish, Mirror polished, Hot rolled(HR), Cold rolled (CR), 2B,2D, BA NO(8), SATIN(Met with Plastic coated).
Application
SS 446 sheet and plate are used in Medical equipment, Food industry, Construction material, Marine Environment, Building construction & Electric equipment are some diversified applications of the SS 446 The sustainability of SS 446 at high temperature is good hence used in elevated temperature application in non sulphuric environment.
