At Salem Stainless Steel Suppliers Pvt. Ltd., your reliable stainless steel partner since 1984, we proudly stock and supply premium Stainless Steel 409M Flats tailored for applications demanding high strength, excellent oxidation resistance, and superior value. As a leading supplier based in Chennai, we deliver SS 409M Flats that serve as an ideal, economical alternative to carbon steel and low-alloy steels in moderately corrosive and high-temperature environments.

Stainless steel 409M flats are chromium-ferritic steels that offer good atmospheric corrosion resistance and excellent mechanical properties. The “M” designation signifies a modification in the composition (often involving a more precise control of chromium and carbon) to improve weldability and structural stability.

Chemical Properties of SS 409M Flats:

Element Composition (%)
Carbon (C) 0.03 max
Chromium (Cr) 10.5 – 12.5
Nickel (Ni) 0.30 – 1.50
Manganese (Mn) 0.50 – 1.50
Silicon (Si) 1.00 max
Phosphorus (P) 0.040 max
Sulfur (S) 0.015 – 0.030 max
Nitrogen (N) 0.030 max
Iron (Fe) Balance

Mechanical Properties of Stainless Steel 409M Flats:

Property Value (min)
Tensile Strength 350 MPa
Yield Strength (0.2% Proof) 350 MPa
Elongation (% in 50mm) 20%
Rockwell B Hardness (HR B) 88 max
Brinell Hardness (HB) 150-180 typical

Physical Properties of 409M SS Flats:

Property Value
Density 7800-7890 kg/m³
Modulus of Elasticity 200 GPa
Thermal Conductivity 25.8 W/m·K (at 100°C)
Specific Heat (0-100°C) 460 J/kg·K
Electrical Resistivity 600 nΩ·m

Product Specifications:

Property Details
Product Stainless Steel 409M Flats
Shape Rectangle
Length 8-10 ft
Min. Order Quantity 200 Kgs

Versatile Applications of 409M Flats:

  • Material Handling: Hoppers, bins, and conveyors for coal, iron ore, and sugar.
  • Transport: Flooring and structural frames for railway wagons, trucks, and buses.
  • Automotive: Exhaust systems, silencers, and catalytic converter shells.
  • Agriculture: Silos, spreader components, and livestock handling equipment.

Our stainless steel 409M flats are available in a range of widths and thicknesses, processed with high-precision leveling and shearing equipment to ensure perfect flat-bar dimensions for your assembly line.

Don’t let rust and wear slow your production down. Contact our sales team today to discuss how our stainless steel 409M flats can improve your product’s lifespan while lowering your costs as per your custom needs.

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.