SS 409 Sheets and Plates Dealers and Importers

SS 409 Stainless Steel Sheets and Plates Supplier

SS 409 Stainless Steel Sheets and Plates

Petrofit Alloys And Engineering LLP is a reliable supplier, dealer and importer of SS 409 sheets and plates used in automotive, structural and industrial applications requiring good oxidation resistance and moderate corrosion resistance. Stainless Steel 409 is a ferritic stainless steel grade widely used for applications where cost efficiency and heat resistance are important.

SS 409 sheets and plates are commonly used in automotive exhaust systems, heat exchangers and structural components exposed to moderate temperatures. The chromium content in SS 409 provides improved resistance to oxidation and corrosion compared to carbon steel while maintaining good mechanical strength.

For applications requiring higher hardness and strength, industries often use SS 410 / 410S sheets and plates , which belong to the martensitic stainless steel family. However, SS 409 remains a preferred material in many automotive and industrial applications due to its cost effectiveness and reliable performance.

As part of our broader stainless steel sheets and plates supply, Petrofit maintains ready stock of SS 409 materials in multiple thickness ranges, finishes and dimensions to support fabrication companies, engineering contractors and industrial distributors worldwide.

SS 409 Sheet and Plate Specifications

Specification Details
Material Grade Stainless Steel 409
UNS Number S40900
Standard ASTM A240 / ASME SA240
Type Sheet, Plate, Coil
Thickness 0.3 mm – 120 mm
Width 1000 mm, 1250 mm, 1500 mm, 2000 mm
Surface Finish 2B, No.4, Hairline, Polished
Production Process Hot Rolled / Cold Rolled

Chemical Composition of SS 409

Element Percentage
Carbon 0.08% max
Chromium 10.50 – 11.75%
Manganese 1.00% max
Silicon 1.00% max
Phosphorus 0.040% max
Sulfur 0.020% max
Titanium Stabilized

The addition of titanium helps stabilize the material and improve resistance to intergranular corrosion during welding.

Mechanical Properties

Property Value
Tensile Strength 380 MPa min
Yield Strength 170 MPa min
Elongation 20% min
Hardness 162 HB max

These properties allow SS 409 sheets and plates to maintain structural integrity in automotive and industrial applications.

Key Features of SS 409 Sheets and Plates

SS 409 stainless steel is commonly used where moderate corrosion resistance and heat resistance are required along with cost efficiency.

Important features include:

  • Good oxidation resistance at elevated temperatures
  • Cost-effective alternative to higher alloy stainless steels
  • Good weldability and fabrication properties
  • Resistance to scaling in moderate heat environments
  • Suitable for structural and automotive applications

Applications of SS 409 Sheets and Plates

SS 409 sheets and plates are commonly used in industries where components require heat resistance and durability under moderate environmental exposure.

  • Automotive exhaust systems
  • Heat exchangers
  • Structural components
  • Industrial furnace parts
  • Agricultural and construction equipment
  • Oil and gas processing equipment

Equivalent Grades

Standard Equivalent Grade
ASTM / ASME 409
UNS S40900
EN 1.4512
JIS SUS409
DIN X2CrTi12

Export Supply

From India, Petrofit exports SS 409 sheets and plates to engineering companies, industrial distributors and project contractors worldwide.

Our export markets include:

  • Middle East – Saudi Arabia, Qatar, Oman, Kuwait, Bahrain
  • Asia Pacific – Malaysia, Singapore, Australia
  • Europe – Germany, Italy, Netherlands, Spain, UK
  • North America – United States and Canada

Why Choose Petrofit for SS 409 Sheets and Plates

Industrial buyers require dependable suppliers capable of delivering high-quality materials with reliable logistics and documentation.

Petrofit offers:

  • Reliable inventory of stainless steel sheets and plates
  • Competitive pricing for fabrication and engineering projects
  • Global export experience across multiple industrial sectors
  • Compliance with international material standards
  • Material traceability and inspection certificates
  • Efficient shipment coordination for international deliveries

Frequently Asked Questions

Q: What are SS 409 sheets and plates used for?

A: SS 409 sheets and plates are widely used in automotive exhaust systems, heat exchangers and structural components exposed to moderate temperatures.

Q: Is SS 409 stainless steel corrosion resistant?

A: SS 409 provides moderate corrosion resistance and oxidation resistance, making it suitable for automotive and industrial environments.

Q: Why is SS 409 used in automotive exhaust systems?

A: SS 409 offers good heat resistance and oxidation resistance while remaining cost effective compared to higher alloy stainless steels.

Q: Do you supply SS 409 sheets and plates with certification?

A: Yes. Petrofit supplies SS 409 materials with EN 10204 3.1 material test certificates and inspection documentation as required.

Request a Quote

If you are searching for reliable SS 409 sheet and plate dealers and importers, Petrofit Alloys And Engineering LLP can assist with product specifications, stock availability and delivery schedules.

Contact our team to request pricing, technical details or quotations for your industrial project requirements.

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