In the demanding world of thermal processing, standard stainless steel often fails to meet the mark. When your project requires a balance of high-temperature strength and superior weldability, Stainless Steel 309S Seamless Pipes are the definitive choice. Our company supplies premium quality Stainless Steel 309S Seamless Pipes manufactured with high-grade raw materials and advanced production technology to meet international industry standards.
Grade 309S is the low-carbon version of stainless steel 309 , which offers improved weldability and enhanced resistance to sensitization during thermal exposure. Because they are manufactured without welded joints, 309S Seamless Pipes provide excellent structural integrity, uniform strength, and reliable performance in demanding industrial conditions.
Chemical Properties of SS 309S Seamless Pipes:
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Chromium (Cr) | 22.0 – 24.0 |
| Nickel (Ni) | 12.0 – 15.0 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 0.75 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 309S Seamless Pipes:
| Property | Value (Min) |
|---|---|
| Tensile Strength | 515 MPa |
| Yield Strength (0.2%) | 205 MPa |
| Elongation | 40% |
| Hardness (Brinell) | 217 HB |
Physical Properties of 309S SS Seamless Pipes:
| Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | 1454-1455°C |
| Thermal Conductivity | 15.6 W/m·K |
| Specific Heat | 500 J/kg·K |
| Modulus of Elasticity | 200 GPa |
Product Specifications:
| Property | Specification |
|---|---|
| Steel Grade | SS 309S |
| Length | 6m, 9m, 12m |
| Shape | Round |
| Thickness | 2 mm – 4 mm |
| Min. Order Quantity | 200 Kilogram |
Key Industry Applications
- Furnace Tubes: High-heat piping for industrial ovens and kilns.
- Boiler Baffles: Internal components for high-pressure steam boilers.
- Firebox Sheets: Linings for combustion and heating chambers.
- Exhaust Systems: Heavy-duty manifolds for engines and turbines.
- Kiln Supports: Structural piping used in ceramic and cement manufacturing.
- Catalytic Converters: Piping used in high-heat air filtration systems.
- Paper Mill Equipment: Liquor recovery furnace components.
- Oven Liners: Internal surfaces for commercial drying and baking equipment.
309S Seamless Pipes are an excellent solution for industries that require stainless steel piping capable of withstanding high temperatures and corrosive environments. If you are looking for a reliable supplier of SS 309S Seamless Pipes, we offer a wide range of sizes and specifications designed to meet your industrial piping requirements.
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.
