Stainless Steel 309 / 309S Pipes Manufacturer, SS 309 / 309S Seamless Pipes, Stainless Steel 309 / 309S Welded Pipes, ASTM A312 Stainless Steel 309 / 309S Pipes, ASTM A358 Stainless Steel 309 / 309S EFW Pipes.
Bombay Metal Corporation is a trusted supplier and exporter of high-quality Stainless Steel 309 / 309S Pipes. These pipes are widely appreciated for their excellent heat resistance, superior oxidation resistance, and outstanding mechanical strength in demanding industrial environments. Stainless Steel 309 and 309S are austenitic chromium-nickel stainless steel grades known for their exceptional performance at elevated temperatures, excellent resistance to thermal corrosion, and reliable durability under extreme operating conditions.
Stainless Steel 309 / 309S Pipes are extensively used in industries that require high-performance and heat-resistant piping solutions. These pipes are commonly utilized in furnace equipment, heat treatment plants, boilers, petrochemical units, power generation facilities, chemical processing industries, and automotive exhaust systems. Their excellent fabrication properties, high-temperature strength, and resistance to oxidation make them suitable for heavy-duty industrial and engineering applications exposed to extreme heat.
At Bombay Metal Corporation, we supply Stainless Steel 309 / 309S Pipes in compliance with international quality standards such as ASTM A312 and ASTM A358. Manufactured using advanced production techniques, our pipes ensure precise dimensions, smooth surface finish, high durability, and consistent performance. We offer these pipes in various forms including seamless pipes, welded pipes, ERW pipes, and EFW pipes in a wide range of sizes and specifications to meet diverse industrial requirements.
Stainless Steel 309 / 309s Pipes Suppliers in Bangalore
Stainless Steel Pipes and Tubes
ASTM A312 / A312M – This specification covers the standard requirements for SStainless Steel 309 / 309S Pipes, including seamless, welded, and heavily cold-worked austenitic stainless steel pipes intended for high-temperature service and general corrosive applications. These pipes are widely used in chemical processing, food and beverage, pharmaceutical, petrochemical, and power generation industries due to their excellent corrosion resistance, durability, and reliable performance.
ASTM A312 / A312M – This specification covers Stainless Steel 309 / 309S Pipes intended for use in pressure systems, boilers, heat exchangers, and other critical industrial applications where excellent corrosion resistance, high-temperature strength, and dependable mechanical properties are essential. These pipes are widely used in petrochemical plants, pharmaceutical processing, food industries, and power generation facilities due to their outstanding durability and long service life.
ASTM A312 / A312M – This specification covers Stainless Steel 309 / 309S Pipes used in pressure systems, heat exchangers, boilers, and other critical industrial applications where reliable corrosion resistance, high-temperature strength, and strong mechanical performance are essential. These pipes are widely applied in chemical processing, petrochemical industries, power plants, pharmaceuticals, food processing, and water treatment systems, ensuring durability, safety, and long service life in demanding environments.
Stainless Steel 309 / 309S Pipes are highly reliable and widely used in industrial and engineering applications due to their excellent corrosion resistance, good high-temperature strength, and superior durability. Bombay Metal Corporation (BMC) is a trusted manufacturer, supplier, and exporter of Stainless Steel 304 / 304L / 304H Pipes, offering a wide range of sizes, specifications, and grades to meet diverse industrial requirements.
We supply an extensive range of Stainless Steel 309 / 309S Pipes used in chemical processing plants, heat exchangers, boilers, food processing units, pharmaceutical industries, power plants, oil and gas sectors, and water treatment systems. Our Stainless Steel 309 / 309S Pipes are available in seamless, welded, ERW, and fabricated forms, with customized dimensions, finishes, and specifications to ensure reliable performance, long service life, and efficiency in demanding operating conditions.
Designed to meet the demanding requirements of various industries, our range of Stainless Steel 309 / 309S Pipes is available in a wide variety of sizes, wall thicknesses, and specifications to suit diverse high-temperature and industrial applications. These pipes are manufactured to deliver excellent heat resistance, superior oxidation resistance, and strong mechanical performance, making them ideal for severe and elevated temperature operating environments.
Stainless Steel 309 / 309S Pipes are offered in multiple forms such as seamless pipes, welded pipes, ERW pipes, and fabricated pipe solutions, available in different lengths, finishes, and pressure ratings. We also provide customized solutions based on specific client requirements to ensure optimum compatibility with installation, fabrication, welding, and industrial process needs.
Stainless Steel 309 / 309S is extensively used in industries such as furnace manufacturing, heat treatment plants, petrochemical units, power generation, boiler systems, automotive exhaust systems, and chemical processing industries. Its outstanding resistance to oxidation, excellent thermal stability, and reliable performance at high temperatures make it a preferred choice for critical piping applications exposed to extreme heat, ensuring long service life and consistent operational efficiency.
Stainless Steel 309 / 309s Pipes
| Grade | Stainless Steel 309 / 309s Pipes |
| Specification | ASTM A312 / ASTM A358 / ASTM A778 (as applicable) |
| Types | Seamless Pipes, Welded Pipes, ERW Pipes, EFW Pipes, Fabricated Pipes, Heat Exchanger Tubes, and Custom Pipe Solutions etc. |
| Form | Stainless Steel Seamless Pipes, Welded Pipes, ERW Pipes, EFW Pipes, Round Pipes, Heavy Wall Pipes, Thin Wall Pipes, High Pressure Pipes, Heat Exchanger Tubes, and Industrial Pipe Forms etc. |
| Thickness | As per schedule (Sch 5 to Sch 160) and customized wall thickness requirements |
| Width |
Available in customized outer diameter (OD) as per application and industry standards |
| Length | 2000mm, 2440mm, 3000mm, 6000mm, or cut lengths as per customer requirement |
| Finish | Mill Finish, Polished, Pickled, Annealed, Bright Annealed, and Custom Surface Finishes |
Equivalent Grades Of Stainless Steel 309 / 309s Pipes:
| STANDARD | WERKSTOFF NR. | UNS | GOST | EN | AFNOR | JIS | BS |
| SS 309 | – | S30400 | – | 1.4310 | – | SUS 340 | – |
Stainless Steel 309 / 309s Pipes Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Cu | Ni | N |
| SS 309 |
0.15 max | 5.5 – 7.5 | 0.75 max | 0.060 max | 0.030 max | 13.50 – 15.00 | 0.8% max | 1.02- 1.28 | 0.25 min |
Stainless Steel 309 / 309s Pipes Mechanical Properties:
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.90 g/cm³ | 1400–1420 °C (2550–2590 °F) | 515–1300 MPa | 205–965 MPa | 10%–40% |
Industries and Applications Where Our Stainless Steel 309 / 309s Pipes Are Used:-
Stainless Steel 309 / 309S Pipes are extensively used in applications that require excellent heat resistance, superior oxidation resistance, and reliable mechanical strength under high-temperature operating conditions.
Here are the major applications:
Furnace & Heat Treatment Industry
Furnace piping systems
Heat treatment equipment lines
Kiln and burner assemblies
High-temperature process piping
Petrochemical & Chemical Industry
High-temperature chemical processing lines
Heat exchanger piping systems
Corrosion and oxidation-resistant process systems
Refinery high-heat applications
Power Generation Applications
Boiler systems and steam lines
Thermal power plant piping
High-temperature exhaust and gas systems
Energy plant auxiliary piping
Automotive & Exhaust Systems
Exhaust manifolds and systems
High-heat engine components
Thermal processing assemblies
Heat-resistant automotive piping
Industrial & Engineering Applications
Heat-resistant process equipment
High-temperature structural piping
Industrial furnace components
Heavy-duty fabrication systems
Stainless Steel 309 / 309S Pipes are widely preferred for their exceptional resistance to oxidation, excellent thermal stability, and reliable performance in extreme heat conditions. These properties make them suitable for industrial, engineering, and high-temperature applications where durability, safety, and long service life are essential.
Cities/Area we deliver to:-
Peenya, Bangalore, Nelamangala, Dabaspet, Anekal, Arasikere, Badami, Bagalkot, Ballari, Bangarapete, Belgaum, Bellary, Beluru, Bhadravati, Bhatkal, Bidar, Bijapur, Bommasandra,, Challakere, Channapatna, Chikmagalur, Chintamani, Chitradurga, Dakshina, Kannada, Dandeli, Davanagere, Devanahalli, Dharwad, Doddaballapura, Electronic City,, Gadag, Gangavati, Gulbarga, Harapanahalli, Harihara, Harohalli, Hassan, Haveri, Hiriyur, Honnavar, Hosadurga, Hospet, Hubli, Hulsoor, Hunasuru, Joida, Kadur, Kalburgi, Kanakapura, Karkala, Karwar, Kengeri, Kolar, Koppal, Krishnarajanagara, Krishnarajpet, Kundapura, Kunigal, Kushalanagara, Maddur, Madikeri, Magadi, Mandya, Mangalore, Moodbidri, Mudhol, Mundgod, Mysore, Puttur, Raichur, Ranebennuru, Robertsonpet, Sakleshpura, Shimoga, Siddapura, Sira, Sirsi, Somawarapete, Srinivasapura, Srirangapattana, Tiptur, Tumkur, Udupi, Virajapete, Yelahanka, Chennai, Coimbatore, Erode, Goa, Hosur, Kanchipuram, Karur, Krishnagiri, Madurai, Nagapattinam, Pondicheery, Pudukkottai, Ranipet, Salem, Thanjavur, Thoothukkudi, Tiruchirappalli, Tirunelveli, Tirupathur, Tiruppur. Tiruvannamalai, Vellore, Virudhunagar
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