With its headquarters in Chennai, India, Vinit Stainless is a top producer and supplier of stainless steel 309 pipes, providing high-performance piping solutions for environments with high temperatures and a propensity for corrosion. Vinit Stainless is well-known for its technical know-how and dedication to quality. It produces SS 309 pipes that are strong, resistant to oxidation, and able to withstand extremely high temperatures. Applications for these pipes are numerous and include power generation systems, heat exchangers, and furnaces. Vinit Stainless serves industries throughout India and the global market with precision-engineered stainless steel products, guaranteeing timely delivery, custom dimensions, and consistent quality with its state-of-the-art manufacturing infrastructure and client-focused approach.
With a maximum carbon content of 0.20%, stainless steel 309 pipes are composed of roughly 22–24% chromium and 12–15% nickel. Up to 1000°C, this austenitic stainless steel alloy offers exceptional strength and resistance to oxidation and scaling. SS 309 typically has a yield strength of about 205 MPa and a tensile strength of about 550 MPa. It has good formability, weldability, and ductility. It is perfect for use in thermal processing pipelines and industrial heat treatment systems due to its structural stability and chemical stability under varying temperatures.
| EFW 309 Pipes | 6″ NB – 100″ NB |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Schedule 5S – Schedule XXS. |
| Length | Single Random, Double Random & Cut Length. |
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL |
| Dimensions | ASTM, ASME and API |
| Size – Seamless 309 Pipes & Tubes | 1/2″ NB – 16″ NB |
| ERW 309 Pipes & Tubes | 1/2″ NB – 24″ NB |
| Types | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| End | Plain End, Beveled End, Treaded |
| Grade | Fe | Cr | Ni | Mn | Si | C | P | S |
| SS 309 | 60% | 23% | 14% | 2% | 1% | 0.20% | 0.045% | 0.030% |
| Yield Strength 0.2% Offset0 | Ultimate Tensile Strength | Elongation in 2 in. | Hardness | ||
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
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Stainless Steel 309 Seamless Pipe is a high-temperature alloy with excellent oxidation resistance, offering superior strength and durability in harsh environments. Ideal for aerospace and industrial applications
Stainless Steel 309 Welded Pipe provides excellent oxidation and corrosion resistance, suitable for high-temperature applications. Its welded construction offers cost efficiency and structural integrity in various industrial and aerospace uses.
Stainless Steel 309 ERW Pipe combines high-temperature resistance with exceptional durability. Its Electric Resistance Welded (ERW) construction ensures reliable performance in demanding environments, ideal for industrial and high-heat applications.
Stainless Steel TP 309 Seamless Pipes offer superior heat resistance and corrosion protection, ideal for high-temperature applications. Their seamless design ensures durability and reliability in industrial and aerospace environments.
Stainless Steel 309 Round Pipe features excellent heat resistance and corrosion resistance. Its round shape ensures versatility and strength, making it suitable for high-temperature industrial applications and structural uses.
Stainless Steel 309 EFW Pipe provides robust heat and corrosion resistance with Electric Fusion Welded construction. Ideal for high-temperature and industrial applications, it ensures durability and structural integrity.
In high-temperature applications where resistance to heat and oxidation is essential, stainless steel 309 pipes are frequently utilised. Incinerators, boiler flues, steam piping, heat exchangers, and furnace parts are among the common applications. Chemical plants, refineries, thermal processing facilities, and metallurgical processes also use these pipes. They are perfect for systems that are subjected to frequent heating and cooling because of their resistance to thermal cycling. With a balance of mechanical strength and heat resistance, SS 309 pipes function well in mildly corrosive conditions. They are a dependable option for high-performance systems and industrial infrastructure due to their longevity and minimal maintenance requirements.
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