Mitchell Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel Rectangle Pipes based in Hamilton, New Zealand. They’re known for their precision-engineered products that cater to a wide range of industrial needs. With state-of-the-art production facilities and a strong commitment to quality, the company guarantees exceptional dimensional accuracy, durability, and corrosion resistance in every pipe they produce. Their Stainless Steel Rectangle Pipes are designed to meet international standards, making them perfect for structural, architectural, and mechanical applications. By blending innovative manufacturing methods with rigorous quality control, Mitchell Stainless remains a trusted leader in providing premium stainless steel solutions throughout Hamilton and its neighboring areas.
The Stainless Steel Rectangle Pipes from Mitchell Stainless are generally made using grades like SS 304, 304L, 316, and 316L. These grades are celebrated for their impressive chromium-nickel composition, with optional molybdenum for enhanced corrosion resistance. These pipes boast high tensile strength, remarkable yield strength, and exceptional toughness, even in tough conditions. Their excellent weldability, formability, and oxidation resistance ensure they perform reliably over time. With a smooth finish, consistent structure, and robust mechanical stability, these rectangle pipes are perfect for applications that demand strength, durability, and precise dimensional performance in various environments.
| Size | 10 X 20, 12.75 X 25.4, 10 X 30, 15 X 30, 20 X 40, 20 x 50, 25 X 50, 20 x 60, 40 X 60, 40 X 80, 45 X 75, 50 X 100 |
|---|---|
| Grades | TP – 304, 304L, 316, 316L, 201 |
| Standards | A312 – A358 – A409 – A554 – A778 – A789 – A790 |
| Tolerance on Length | Commercial Length: 6000 milimeter +/- 30 milimeter Fix Length: from 1200 milimeter up to 12000 milimeter with a tolerance up to -0/+ 5mm |
| Finish | Polished Grit 120 – 600, Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1 milimeter,Mirror Polished |
| PIPE GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ||||
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | ||||
| TP316 | S3160 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 | |||
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
|---|---|---|---|---|---|
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
| TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
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The company also conducts various tests to ensure the pipes are of high standard before being shipped out. Some of the tests include Hardness Test, Chemical Analysis via Spectro Analysis, Positive Material Identification (PMI)-Testing, Flattening Test, Micro & Macro Test, Pitting Resistance Test, Flaring Test, and Intergranular Corrosion (IGC)-Test among others. In addition, the documentation is very complete for full traceability and observance of industrial standards.
Yes, stainless steel rectangle pipes can be welded using appropriate welding techniques such as TIG or MIG welding. Proper preparation and filler material are essential for strong, durable welds.
Stainless steel rectangle pipes are highly resistant to corrosion due to their chromium content. However, they may corrode in harsh environments with high chloride exposure or inadequate maintenance.
Yes, stainless steel rectangle pipes can be used for natural gas applications due to their strength, corrosion resistance, and ability to withstand high pressure, ensuring safe and durable performance.
Stainless steel rectangle pipes made from austenitic grades (like 304 and 316) are generally non-magnetic. However, some ferritic or martensitic grades may exhibit magnetic properties.
Mitchell Stainless’s Stainless Steel Rectangle Pipes are popular across various industries thanks to their strength, versatility, and resistance to corrosion. They’re perfect for architectural frameworks, handrails, and structural supports in both commercial and residential buildings. In industrial settings, these pipes find their place in machinery fabrication, conveyors, dairy processing equipment, automotive components, and marine structures. Their adaptability and reliability make them a go-to choice for projects that require robust materials capable of standing up to demanding conditions.







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