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Stainless Steel 409 Circles

Price 120 INR/ Number

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MOQ : 5 Kilograms

Stainless Steel 409 Circles Specification

Product Form
Plain / Blank Circles

Recyclable
Yes

Coating Type
Uncoated or as required

Corrosion Resistant
Good corrosion and oxidation resistance, improved over mild steel

Hardness
180-220 HB

Material Composition %
Cr: 10.5-11.7%, C: max 0.08%, N: max 0.045%, Fe: balance

Heat Resistance
Yes

Diameter
20 mm to 1000 mm (custom sizes available)

Tensile Strength
380-450 MPa

Size
Custom sizes available

Product Name
Stainless Steel 409 Circles

Steel Type
Stainless Steel

Steel Product Type
Circles / Discs

Grade
409

Thickness
0.5 mm to 100 mm

Shape
Circle

Steel Standard
ASTM A240 / ASME SA240

Surface
Hot Rolled/Cold Rolled

Composition
11.5% Chromium, balance Iron, trace elements

Application
Automotive exhaust systems, manifolds, heat exchangers, catalytic converter shells, thermal shields, industrial fabrication projects

Dimension (L*W*H)
Custom as per requirement

Weight
Variable as per size and thickness

Color
Silver

Material Grade
409

Finish Type
Mill Finish / Polished / Hairline, as required

Usage
Fabrication, automobile, industrial, construction, process equipment, decorative

MOQ
Negotiable/As per order

Edge Condition
Mill Edge or Slit Edge

Packaging
Standard sea-worthy export packing

Density
7.9 g/cm³

Formability
Good

Weldability
Excellent - can be welded by all standard methods

Elongation
20% min (in 50mm)

Magnetism
Magnetic in annealed and cold worked condition

About Stainless Steel 409 Circles

SS 1.4512 PLATE, STAINLESS STEEL UNS S40900 CIRCLE PLATE, STAINLESS STEEL 409 PLATES, 409 STEEL CIRCLE PLATES, ASTM A240 409 STAINLESS STEEL CIRCLE PLATES, SS 409 PLATE DISTRIBUTOR, STAINLESS STEEL 409 INDUSTRIAL PLATES, SS GRADE 409 CIRCLES PLATES STOCKIST IN MUMBAI, INDIA.Stainless Steel 409 Plate Specification :

Specifications : ASTM A240 / ASME SA240
Dimensions : ASTM, ASME, and API
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Thickness : 4mm-100mm
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface Finish : 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.

Superior Performance in Demanding Applications

Engineered for durability and resistance, Stainless Steel 409 Circles offer excellent performance in demanding environments, particularly within the automotive and industrial sectors. The unique combination of high-temperature tolerance, magnetic properties, and strong corrosion resistance makes them a preferred choice for exhaust systems, heat exchangers, and fabrication projects requiring longevity and reliability.

Customizable Dimensions and Finishes

Every project has unique requirements. SS 409 Circles are available in custom diameters, thicknesses, and finishes, ensuring optimal fit and performance for your application. Whether you require mill, polished, or hairline surfaces, or packaging tailored for international shipping, you receive a solution designed for your project. Contact us for flexible MOQ and personalized specifications.

FAQ's of Stainless Steel 409 Circles:

Q: How are Stainless Steel 409 Circles typically used in the automotive industry?

A: Stainless Steel 409 Circles are primarily used to manufacture exhaust systems, manifolds, thermal shields, and catalytic converter shells due to their heat resistance, corrosion resistance, and formability. These properties extend the service life and maintain the integrity of automotive systems operating at elevated temperatures.

Q: What are the main benefits of choosing grade 409 stainless steel for fabrication projects?

A: Grade 409 stainless steel circles provide a balance of cost-effectiveness, excellent weldability, magnetic properties, and improved oxidation and corrosion resistance over standard mild steel. This makes them ideal for components exposed to heat and corrosive environments while allowing flexible forming and joining processes.

Q: What is the process for ordering custom-size Stainless Steel 409 Circles?

A: To place an order, specify your required dimensions (diameter, thickness), desired finish, and quantity. Minimum order quantities are negotiable. Once specifications are confirmed, circles are manufactured to ASTM A240 / ASME SA240 standards, finished as required, and securely packaged for export or domestic delivery.

Q: Where can Stainless Steel 409 Circles be used besides automotive applications?

A: Apart from automotive uses, SS 409 Circles are suitable for industrial fabrication, construction, process equipment, and decorative purposes due to their durability and corrosion resistance. They are also used in heat exchangers and other systems where thermal and mechanical stress are present.

Q: How does the magnetism of SS 409 Circles benefit manufacturing processes?

A: Being magnetic in both annealed and cold-worked conditions, SS 409 Circles are compatible with magnetic clamping and handling equipment. This property can streamline automation and alignment during production and assembly, improving efficiency and precision.

Q: What packaging options are available for these circles during shipment?

A: Stainless Steel 409 Circles are delivered in standard sea-worthy, export-grade packaging. This protects the circles from corrosion, deformation, and mechanical damage during transit, ensuring they reach your facility in optimal condition. Additional packaging requirements can be accommodated if needed.

Q: When is it recommended to use uncoated versus coated SS 409 Circles?

A: Uncoated Stainless Steel 409 Circles are suitable for most standard applications due to their inherent corrosion and oxidation resistance. However, specific processes or highly corrosive environments may call for additional coatings, which can be provided upon request.

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