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Andre Stainless is a trusted and well-known manufacturer and supplier of Stainless Steel 309S Pipe Fittings based in Pulau Ujong, Singapore. With a strong focus on quality, precision, and customer satisfaction, the company delivers high-performance pipe fittings designed for high-temperature and corrosive environments. They employ advanced production methods and rigorous quality checks to ensure that every fitting meets international standards. Their Stainless Steel 309S pipe fittings are perfect for applications in power plants, chemical industries, and heat treatment equipment. With prompt delivery and expert technical support, they have become a go-to supplier in Singapore’s industrial sector.
The Stainless Steel 309S Pipe Fittings from Andre Stainless are made up of chromium (22–24%), nickel (12–15%), and a low carbon content, which enhances weldability and minimizes the risk of sensitization. These fittings boast impressive mechanical properties, featuring a tensile strength of around 520 MPa and a yield strength of about 205 MPa. The 309S alloy exhibits exceptional resistance to oxidation and corrosion at high temperatures, maintaining its structural integrity in environments that can reach up to 1000°C. The low carbon content also helps to reduce the chances of carbide precipitation during welding and extended thermal exposure.
| Grades | 201, 202, 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| Type | Seamless / Welded / Fabricated |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
| Size | ½”NB to 48″NB in |
| Schedule | Sch 10s, 40s, 80s, 160s, XXS. |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 309S | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
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We provides some of the excellent quality pipe fittings in stainless steel 309S through testing and certification. In fact, each one of the offered products undergoes comprehensive tests based on chemical composition analysis, evaluation of mechanical property, and Non-Destructive Testing (NDT). Provided certificates for all international standards from ASTM to ISO.
Stainless Steel 309S pipe fittings are high-temperature-resistant components known for their exceptional strength and oxidation resistance. Ideal for extreme heat environments, they are used in various industrial and aerospace applications.
SS 309S Butt Weld pipe fittings are high-temperature-resistant components used to join pipes through welding. Made from stainless steel 309S, they offer excellent strength, durability, and resistance to oxidation.
SS 309S Socket Weld pipe fittings are robust components used to connect pipes via a socket weld. Made from stainless steel 309S, they provide excellent heat resistance, strength, and corrosion durability.
Stainless Steel 309S seamless fittings are high-temperature-resistant components without welds, offering superior strength, oxidation resistance, and durability. They are ideal for demanding industrial applications and extreme heat environments.
SS 309S cross pipe fittings are durable components that connect four pipes at a junction. Made from stainless steel 309S, they offer excellent heat resistance, strength, and corrosion durability.
Stainless Steel 309S tee fittings create a T-junction by connecting three pipes. Made from stainless steel 309S, they provide exceptional heat resistance, strength, and corrosion resistance for industrial applications.
The Stainless Steel 309S Pipe Fittings provided by Andre Stainless in Pulau Ujong are extensively used in high-temperature and corrosive applications. You’ll often find them in furnace components, heat exchanger units, thermal processing plants, waste incinerators, and chemical reactors. Their outstanding resistance to oxidation and scaling under cyclic heating conditions makes them ideal for use in refineries, steel manufacturing, and marine engineering. These pipe fittings guarantee reliability, strength, and a long service life, even in the toughest industrial settings across Singapore.







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