SS 309 Seamless Pipes are widely used in industrial applications that require exceptional resistance to heat, oxidation, and corrosion. Stainless Steel 309 Seamless Pipes belong to the austenitic stainless steel family and are specially designed to perform in high-temperature environments where standard stainless steel grades may fail. SSSS Group supplies premium 309 Seamless Pipes from Chennai, ideal for dissimilar metal joining and thermal processing.

Selecting high-quality Stainless Steel 309 Seamless Pipes ensures that your furnace, boiler, or exhaust system remains operational under thermal stress that would cause other materials to warp or scale.

Chemical Properties of SS 309 Seamless Pipes:

Element Composition (%)
Carbon (C) ≤ 0.20
Chromium (Cr) 22.0 – 24.0
Nickel (Ni) 12.0 – 15.0
Manganese (Mn) ≤ 2.00
Silicon (Si) ≤ 1.00
Phosphorus (P) ≤ 0.045
Sulfur (S) ≤ 0.030
Iron (Fe) Balance

Mechanical Properties of Stainless Steel 309 Seamless Pipes:

Property Value (Min.)
Tensile Strength 515 MPa
Yield Strength (0.2%) 205 MPa
Elongation 40%
Hardness (Brinell) 217 HB

Physical Properties of 309 SS Seamless Pipes:

Property Value
Density 8.0 g/cm³
Melting Point 1455°C
Thermal Conductivity 15.6 W/m·K
Specific Heat 500 J/kg·K
Electrical Resistivity 85 µΩ·cm
Modulus of Elasticity 200 GPa

Product Specifications:

Property Specification
Steel Grade SS 309
Length 6m, 9m, 12m
Shape Round
Thickness 2 mm – 4 mm
Min. Order Quantity 200 Kilogram

Key Industry Applications

  • Furnace Linings: Tubes and structural supports for industrial ovens.
  • Boiler Baffles: Components that direct heat flow in high-pressure boilers.
  • Exhaust Parts: Manifolds and piping for heavy engines and turbines.
  • Oven Liners: Internal surfaces for commercial and industrial baking and drying.
  • Refinery Equipment: Catalytic recovery and thermal processing units.

Contact our sales engineers today for an instant quote, technical data sheet, or free sample piece. Simply call or WhatsApp or fill the form below—your Stainless Steel 309 Seamless Pipes will be dispatched as soon as possible.

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.