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Mitchell Stainless is a reliable manufacturer and supplier of top-notch Stainless Steel Couplings based in Hamilton, New Zealand. They specialize in precision-engineered solutions tailored to meet a variety of industrial needs. With a strong focus on durability, performance, and customer satisfaction, the company provides couplings that guarantee secure, leak-proof connections in piping systems. By utilizing cutting-edge manufacturing technology and rigorous quality control, Mitchell Stainless ensures their products stand out in terms of strength, corrosion resistance, and reliability. Their Stainless Steel Couplings are a popular choice in demanding industries, thanks to their long service life and consistent performance, making Mitchell Stainless a go-to for engineered stainless steel components in New Zealand.
The Stainless Steel Couplings from Mitchell Stainless are typically crafted from grades like SS 304, 304L, 316, and 316L, which include chromium, nickel, and sometimes molybdenum to boost corrosion resistance. These couplings showcase impressive tensile strength, high yield strength, and exceptional hardness, making them perfect for high-pressure situations. They also retain good ductility and toughness, even when temperatures fluctuate. The alloy composition offers strong protection against pitting, oxidation, and chemical exposure, ensuring reliable performance in both industrial and marine settings, making them ideal for long-lasting, heavy-duty applications.
| 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 Mitchell 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.
Mitchell Stainless’s Stainless Steel Couplings are extensively used to connect, extend, or repair pipeline systems across a wide range of industries. Their strength and resistance to corrosion make them perfect for applications in water treatment facilities, chemical processing plants, oil and gas systems, and food-grade fluid transport. They’re also crucial in HVAC systems, marine engineering, pharmaceuticals, and general manufacturing environments where secure, vibration-resistant connections are a must. These couplings are designed to handle the demands of various applications, ensuring that they meet the high standards required in today’s industrial landscape.







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