In modern industrial manufacturing, standard steel often falls short when exposed to extreme heat or moisture. That is where SS 409L Plates step in. At Salem Stainless Steel Suppliers Pvt. Ltd., we specialize in providing high-performance Stainless Steel 409L Plates designed to outperform coated steels in both durability and cost-effectiveness.

From the rugged demands of Agricultural equipment to the precision required in Power Generation, our 409L solutions are the industry standard for “heat service” applications. The “L” in 409L plates stands for Low Carbon. This minor chemical adjustment makes a massive difference in fabrication. By reducing carbon content, the material becomes highly resistant to sensitization during welding, ensuring that your seams stay strong and corrosion-free.

Key Industrial Benefits:

  • Oxidation Resistance: Offers protection far beyond the scale of carbon steel or galvanized options.
  • Superior Weldability: Perfect for straight seam or spiral seam electric-fusion-welded pipes.
  • Thermal Stability: Maintains structural integrity in “heat service” applications like woodstove parts and furnace liners.
  • Cost-Efficiency: Provides the benefits of stainless steel at a price point that remains competitive for large-scale projects.

Chemical Properties of SS 409L Plates:

Element Percentage (%)
Chromium (Cr) 10.50 – 11.75
Carbon (C) 0.03 (Max)
Manganese (Mn) 1.00 (Max)
Silicon (Si) 1.00 (Max)
Nickel (Ni) 0.50 (Max)
Titanium (Ti) 6 × (C + N) to 0.75
Phosphorus (P) 0.040 (Max)
Sulfur (S) 0.030 (Max)

Mechanical Properties of Stainless Steel 409L Plates:

Property Metric Value (Typical) Imperial Value (Typical)
Tensile Strength 380 – 560 MPa 55,000 – 81,000 psi
Yield Strength (0.2% Offset) 170 – 310 MPa 25,000 – 45,000 psi
Elongation (in 50mm) 20% – 25% (Min) 20% – 25% (Min)
Hardness (Brinell) 149 HB (Max) 149 HB (Max)
Hardness (Rockwell B) 75 HRB (Max) 75 HRB (Max)

Physical Properties of 409L Plates:

Property Value (Metric)
Density 7.74 g/cm³
Melting Point 1430 – 1510°C
Specific Heat 460 J/kg·K
Modulus of Elasticity 200 GPa
Electrical Resistivity 600 µΩ·m
Magnetic State Ferromagnetic

Product Specifications:

Feature Specification Detail
Material Grade SS 409M (Stainless Steel 409M)
Standard ASTM A240 / ASME SA240
Thickness Range 4.0mm to 100mm
Compliance ASTM, ASME, and API
Available Forms Coils, Foils, Rolls, Plain Sheets, Shim Sheets, Perforated Sheets,
Chequered Plates, Strips, Flats, Blanks (Circle), and Rings (Flange)
Surface Finishes Hot Rolled (HR), Cold Rolled (CR), 2B, 2D, BA NO(8),
and SATIN (Plastic Coated)
Hardness Levels Soft, Half Hard, Quarter Hard, Hard, and Spring Hard
Specialized Items Shim Sheets, Perforated Sheets, and B.Q. Profiles

Critical Applications of 409L Plates:

1. Agriculture & Farming
Used in silos and fertilizer handling equipment where moisture and chemical exposure would quickly degrade ordinary steel.

2. Power Generation & Energy
Ideal for light-wall steel piping and exhaust systems that require high-temperature oxidation resistance.

3. Home & Hearth
A favorite for Woodstove Parts and heat exchangers due to its ability to withstand repeated heating and cooling cycles without warping.

4. Specialized Manufacturing
Commonly utilized in the production of high-durability Casket liners and automotive components.

Get a Quote Today

Are you looking for reliable 409L plates for your next project? As a leading supplier, we offer competitive pricing and lightning-fast delivery across all grades and finishes.

Countries We Export

Macau, Philippines, Estonia, Slovakia, India, Switzerland, France, Gambia, United States, Nepal, Iran, Australia, Thailand, Gabon, Zimbabwe, Bangladesh, Angola, Lithuania, Kuwait, Kazakhstan, Trinidad & Tobago, Puerto Rico, Singapore, Mexico, Azerbaijan, Brazil, Bulgaria, United Arab Emirates, Tibet, Greece, South Africa, Afghanistan, Sri Lanka, Italy, China, Serbia, Turkey, Mexico, Bolivia, Peru, Chile, Belarus, Yemen, Namibia, Qatar, Algeria, Libya, Nigeria, Japan, Poland, Austria, Bhutan, Nigeria, Portugal, Czech Republic, Croatia, Jordan, Hungary, Finland, Pakistan, Spain, South Korea, Ecuador, Denmark, Canada, Kenya, Saudi Arabia, Vietnam, Sweden, Malaysia, Bahrain, Costa Rica, Venezuela, Israel, Netherlands, United Kingdom, New Zealand, Russia, Morocco, Poland, Indonesia, Hong Kong, Egypt, Oman, Norway, Chile, Iran, Lebanon, Taiwan, Ghana, Romania, Mongolia, Ukraine, Colombia, Tunisia, Ireland, Iraq, Belgium, Argentina, Germany.

Cities We Supply

Calgary, Al Jubail, Hong Kong, Bhopal, Jeddah, Toronto, Ulsan, Aberdeen, Thiruvananthapuram, Petaling Jaya, Nashik, Houston, Montreal, Cairo, Ernakulam, Atyrau, Karachi, Haryana, Istanbul, Jakarta, Sharjah, Nagpur, Dallas, Ranchi, Algiers, Doha, Santiago, Geoje-si, Singapore, Chennai, Jamshedpur, Perth, New Delhi, Tehran, Vadodara, New York, Caracas, Ahmedabad, Edmonton, Kanpur, Busan, Mumbai, Secunderabad, Bengaluru, Kolkata, Pimpri-Chinchwad, Manama, Vung Tau, Melbourne, Bangkok, Colombo, Ankara, Bogota, Sydney, Milan, Port-of-Spain, Abu Dhabi, Thane, Ahvaz, Visakhapatnam, Rajkot, Jaipur, Indore, Kuwait City, Gurgaon, Baroda, Navi Mumbai, La Victoria, Surat, Ludhiana, Lahore, Hanoi, Riyadh, Faridabad, Hyderabad, Coimbatore, Mexico City, Dubai, Al Khobar, Rio de Janeiro, Pune, Chiyoda, Moscow, Lagos, London, Madrid, Granada, Ho Chi Minh City, Brisbane, Chandigarh, Seoul, Courbevoie, Los Angeles, Gimhae-si, Dammam, Howrah, Muscat, Noida, Kuala Lumpur, Pondicherry, Tamil Nadu.