Ferritic SS 444 Sheets and Plates
Ferritic SS 444 sheet and plate is a low-carbon (C), low nitrogen (N), dual-stabilized ferritic stainless steel. It is equivalent to Type 304 in many corrosion environments and has a lower coefficient of expansion and better thermal conductivity.
Chemical Composition
|
GRADE |
Cr |
Ni |
Mo |
Fe |
Si |
C |
Mn |
|
|---|---|---|---|---|---|---|---|---|
|
SS 444 |
Min |
– |
– |
– |
– |
– |
– |
|
|
Max |
18.5 |
1 |
2 |
77.475 |
1 |
0.025 |
1 |
Properties
SS 444 sheet and plate chemical composition provides it with excellent corrosion resistance in moderately severe environments of many types that include chlorides and organic acids found in foods and beverages.
Mechanical Properties
|
Grade |
Tensile Strength |
Yield Strength |
Elongation |
Hardness, MAX |
|
|---|---|---|---|---|---|
|
[MPA] |
[MPA] |
(% in 50mm) min |
HBW |
HRB |
|
|
SS 444 |
415 |
275 |
20 |
217 |
96 |
The ferritic class of stainless steel is generally considered to be weldable by common fusion and resistance techniques. SS 444 material properties also provide satisfactory resistance to dilute sulfuric acid solutions and to highly concentrated sodium hydroxide.
Physical Properties
|
Grade |
Density (g/cm3) |
Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat (J/Kg.K) |
Electrical Resistivity (μΩ.m) |
|---|---|---|---|---|---|
|
0-100°C |
at 93°C |
0-100°C |
at 21°C |
||
|
SS 444 |
7.82 |
11 |
26.8 |
427 |
57 |
Specification
The Ferritic SS 444 sheet and SS 444 plate specified by ASTM standard as ASTM A 240 or ASME SA-240 are readily available in different types such as, for example, SS 444 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 444 Sheets and Plate can be manufactured in different types burt, also they also have 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 444 Sheet and SS 444 sheet are mainly used in Food processing and wine making equipment, roofing and cladding in marine environments, hot water tanks and geysers, automotive components and heat exchanger tubings.
