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Andre Stainless, based in Singapore on Pulau Ujong, is a well-respected manufacturer and supplier of top-notch stainless steel components, including high-performance Stainless Steel Couplings tailored for piping systems. Renowned for their exceptional craftsmanship and precision engineering, Andre Stainless creates couplings that adhere to international standards and meet specific industry needs. These components find their place in demanding fields like oil and gas, petrochemicals, water treatment, and power generation. Crafted from high-grade stainless steel using advanced fabrication techniques, these couplings are built to last, offering impressive durability, corrosion resistance, and reliable performance, making Andre Stainless a go-to partner for critical fluid and structural connections.
When it comes to Stainless Steel Couplings, they are typically made from 304, 304L, 316, or 316L stainless steel grades, which contain 16–18% chromium, 8–13% nickel, and for the 316 grade, an extra 2–3% molybdenum to boost corrosion resistance. These couplings generally provide a tensile strength ranging from 485–620 MPa and a yield strength of 170–310 MPa, along with good ductility and impact resistance. Their mechanical properties make them perfect for high-pressure and high-temperature applications. The carefully balanced chemical composition ensures they resist oxidation, chemicals, and corrosive environments, ensuring long-term reliability across various industrial systems.
| 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. |
| SS | 304 | 304N | 304LN |
|---|---|---|---|
| Ni | 8 – 11 | 8 – 11 | 8 – 11 |
| Fe | Balance | ||
| Cr | 18 – 20 | 18 – 20 | 18 – 20 |
| C | 0.08 max | 0.08 max | 0.035 max |
| Si | 0.75 max | 0.75 max | 0.75 max |
| Mn | 2 max | 2 max | 2 max |
| P | 0.040 max | 0.040 max | 0.040 max |
| S | 0.030 max | 0.030 max | 0.030 max |
| N | 0.10 – 0.16 | 0.10 – 0.16 | |
| 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 % |
Contact us to get a quick quote for your requirement.
At Andre Stainless, quality is supreme. The test is proved in cleaning up the whole quality test on the Stainless Steel Couplings before their dispatch. The tests include all – Hardness Test, Chemical Analysis (using Spectro Analysis), Positive Material Inspection (PMI) Testing, Flattening Test, Micro and Macro Test, Pitting Resistance Test, Flaring Test, and Intergranular Corrosion (IGC) Test. We make sure that strong and durable couplings are provided to our customers in order to give them the best products for their applications.
Yes, Stainless Steel Couplings can be used for underground applications due to their corrosion resistance, strength, and durability. However, proper installation and maintenance are essential for optimal performance in harsh conditions.
To select the right Stainless Steel Coupling, consider factors like the required size, pressure rating, material grade, environment (corrosive or extreme temperatures), and compatibility with the connected pipes or fittings.
Yes, Stainless Steel Couplings can be used for structural applications due to their strength, corrosion resistance, and durability. They are ideal for connecting structural elements in environments exposed to harsh conditions.
Yes, Stainless Steel Couplings can be welded using appropriate techniques like TIG or MIG welding. It’s important to choose the right filler material and control heat to maintain material integrity.
Stainless Steel Couplings serve the important role of connecting two pieces of pipe in a straight line, creating a secure and leak-proof seal in process piping systems. They are widely utilized in sectors such as chemical processing, marine engineering, food and beverage production, pharmaceuticals, and wastewater management. These couplings are crucial for systems that require frequent assembly or disassembly, allowing for quick installation and minimal upkeep. Their ability to withstand corrosion, temperature changes, and pressure fluctuations makes them ideal for both above-ground and underground piping systems. In critical operations, stainless steel couplings are indispensable for ensuring seamless and efficient fluid transport.







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