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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.
| 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 |
| 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.
| 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.
SS 409 stainless steel is commonly used where moderate corrosion resistance and heat resistance are required along with cost efficiency.
Important features include:
SS 409 sheets and plates are commonly used in industries where components require heat resistance and durability under moderate environmental exposure.
| Standard | Equivalent Grade |
|---|---|
| ASTM / ASME | 409 |
| UNS | S40900 |
| EN | 1.4512 |
| JIS | SUS409 |
| DIN | X2CrTi12 |
From India, Petrofit exports SS 409 sheets and plates to engineering companies, industrial distributors and project contractors worldwide.
Our export markets include:
Industrial buyers require dependable suppliers capable of delivering high-quality materials with reliable logistics and documentation.
Petrofit offers:
A: SS 409 sheets and plates are widely used in automotive exhaust systems, heat exchangers and structural components exposed to moderate temperatures.
A: SS 409 provides moderate corrosion resistance and oxidation resistance, making it suitable for automotive and industrial environments.
A: SS 409 offers good heat resistance and oxidation resistance while remaining cost effective compared to higher alloy stainless steels.
A: Yes. Petrofit supplies SS 409 materials with EN 10204 3.1 material test certificates and inspection documentation as required.
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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