When your industrial operations bridge the gap between standard corrosion resistance and extreme heat, you need a material that won’t buckle under pressure. At Salem Stainless Steel Suppliers Pvt. Ltd., we provide top-tier Stainless Steel 309 Flanges, the industrial answer to high-temperature oxidation and strength requirements.
SS 309 Flanges are high-alloy austenitic forged flanges designed to ensure secure, leak-proof joints in piping networks exposed to extreme heat, thermal cycling, and oxidizing atmospheres. 309 Flanges maintain strength and resist scaling even in prolonged high-temperature service, outperforming many lower-alloy options in furnace and heat-treatment applications.
Chemical Properties of SS 309 Flanges:
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.20 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Silicon (Si) | ≤ 0.75-1.00 |
| Chromium (Cr) | 22.0 – 24.0 |
| Nickel (Ni) | 12.0 – 15.0 |
| Iron (Fe) | Balance |
Mechanical Properties of Stainless Steel 309 Flanges:
| Property | Metric Value |
|---|---|
| Tensile Strength | 515-620 MPa (min) |
| Yield Strength (0.2% offset) | 205-310 MPa (min) |
| Elongation | 40-45% (min) |
| Hardness (Brinell max) | 217 HBW |
Physical Properties of 309 SS Flanges:
| Property | Value |
|---|---|
| Density | 7.9-8.0 g/cm³ |
| Melting Range | 1400-1454°C |
| Thermal Expansion | 14.9-15.9 × 10⁻⁶ /K |
| Thermal Conductivity | 15.6 W/m·K |
| Electrical Resistivity | 720-780 nΩ·m |
| Modulus of Elasticity | 196-200 GPa |
Product Specifications:
| Property | Details |
|---|---|
| Product | Stainless Steel 309 Flanges |
| Shape | Round |
| Surface | Polished |
| Min. Order Quantity | 200 Kgs |
Primary Applications of 309 Flanges:
- Boiler Baffles & Burners: Components exposed to direct flame and high heat.
- Furnace Parts: Liners, oven equipment, and heat exchangers.
- Chemical Processing: Handling high-temperature organic and fatty acids.
- Refinery Equipment: Catalytic recovery systems and hydro-carbon processing.
- Waste Treatment: Incinerators and specialized exhaust systems.
Compared to stainless steel 310 Flanges, Stainless Steel 309 Flanges provide excellent value with strong oxidation resistance and proven reliability in furnace and thermal applications.
We understand the urgency of industrial maintenance, which is why we offer rapid shipping and competitive bulk pricing. Secure the reliability of your high-temperature systems today. Contact our expert sales team for a custom quote or technical consultation on our premium 309 series.
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.
