In the demanding world of thermal processing, heat resistance is only half the battle. If a pipe cannot handle the stresses of welding or thermal cycling, it becomes a liability. At Salem Stainless Steel Suppliers Pvt. Ltd., Stainless Steel 309S Welded Pipes are merchandizrd and supplied with low-carbon austenitic stainless steel grade that provides excellent resistance to scaling and corrosion at elevated temperatures.

SS 309S Welded Pipes feature reduced carbon (≤0.08%) to prevent sensitization during welding, making Stainless steel 309S welded pipes perfect for overlays and heavy fabrication. At Salem Stainless Steel, we stock and provide premium quality SS 309S Welded Pipes using advanced production technology and strict quality control procedures to deliver reliable performance in demanding industrial environments.

Chemical Properties of SS 309S Welded Pipes:

Element Percentage (%)
Carbon (C) ≤0.08
Chromium (Cr) 22.0-24.0
Nickel (Ni) 12.0-15.0
Manganese (Mn) ≤2.00
Silicon (Si) ≤0.75-1.00
Phosphorus (P) ≤0.045
Sulfur (S) ≤0.030
Iron (Fe) Balance

Mechanical Properties of Stainless Steel 309S Welded Pipes:

Property Metric Value
Tensile Strength 515 MPa (75 ksi)
Yield Strength (0.2%) 205 MPa (30 ksi)
Elongation (in 50mm) 35%
Hardness (Rockwell B) ≤90 HRB
Reduction of Area ≥50%

Physical Properties of 309S Welded Pipes:

Property Value (Metric)
Density 8.0 g/cm³ (0.289 lb/in³)
Melting Range 1400-1530°C
Modulus of Elasticity 200 GPa (28.5 × 10⁶ psi)
Electrical Resistivity 0.78-0.85 μΩ·m (30.7 μΩ·in)
Thermal Conductivity (100°C) 15.6 W/m·K (9.0 BTU/h ft. °F)
Coefficient of Thermal Expansion 14.9-15.9 × 10⁻⁶ /K

Product Specifications:

Specification Details
Steel Grade SS 309S
Unit Pipe Length 6 meter, 9 meter, 3 meter
Shape Round
Min. Order Quantity 200 Kilogram

Primary Applications for 309S

Due to their unique chemical balance, these pipes are the standard for:

  1. Boiler Components: Baffles, firebox sheets, and tube hangers.
  2. Refinery Equipment: Catalytic recovery systems and flare stacks.
  3. Thermal Oxidizers: Handling high-heat exhaust and waste gases.

Get your quote today- Contact our sales team to be aware about the competitive and genuine pricing for Stainless Steel 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.