Stainless steel finds its place in a specific niche for resisting corrosion and staining. The distinguishable feature is obtained from the chromium content, which should not be less than 10%. Among many features, this self-healing ability is one of the most significant characteristics of stainless steel. Chromium combines with steel to form a skinny layer of chromium oxide over the surface. Therefore, if there is any mechanical or chemical damage to the exposure, it could heal itself in contact with oxygen.
SS 409 Sheets & Plates are highly resistant to corrosion. The creation of the chromium oxide layer on their surface gives them the capability to be resistant to corrosion and stain. Of all metals, stainless steel has the highest strength-to-weight ratio. This grade of stainless steel share remains easily clean, which adds to its difficulty, an aspect of hygiene. Furthermore, it is 100% recyclable.
These Stainless Steel 409 Sheets & Plates are used extensively in the automotive-exhaust industry. However, their applications can also be extended in media such as silencers, exhaust systems, tail-pipes, hospitals, heat exchanger tubes, radiator components, etc. Quality tests are conducted for these sheets and plates. The different tests include radiography tests, leakage tests, third-party inspection, Positive Material Identification tests, and flattening tests.
409 Stainless Steel Sheets & Plates Equivalent Grades
STANDARD | UNS | WNR. |
---|---|---|
SS 409 | S40900 | 1.4512 |
Specification of Stainless Steel 409 Sheets & Plates
Stainless Steel Sheets & Plates Specification : ASTM A240 / ASME SA240
Dimension Standard : JIS, AISI, ASTM, GB, DIN, EN, etc
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.3 mm to 120 mm
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing : Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.
Chemical Alloyion of Stainless Steel 409 Sheets & Plates
ELEMENT | C | Mn | P | S | Si | Cr | Ni |
---|---|---|---|---|---|---|---|
SS 409 | 0.030 max | 1.00 max | 0.040 max | 0.020 max | 1.00 | 10.5 – 11.7 | 0.50 |
Mechanical Properties Of Stainless Steel 409 Sheets & Plates
Grade/Temper | Tensile Strength ksi (min.) | Yield Strength 0.2% ksi (min.) | Elongation -% in 50 mm (min.) |
---|---|---|---|
SS 409 | 380 MPa | 170 MPa | 20.00% |
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