Nakamura Stainless is a reliable name in stainless steel manufacturing and supply, proudly located in Pulau Ujong, Singapore. Known for its quality, consistency, and customer-focused approach, Nakamura offers a wide variety of stainless steel products designed to meet the needs of modern industries. Among its popular offerings, Stainless Steel Square Pipes stand out for their clean design, strength, and great corrosion resistance. Whether used in structural frameworks or for aesthetic purposes, these pipes blend durability with versatility, making them a dependable choice for engineers, architects, and fabricators across various fields.
Stainless Steel Square Pipes are usually made from high-quality stainless steels like 304 or 316. These grades contain chromium, nickel, and a balanced mix of other elements that provide strength and resistance to corrosion. The pipes have a uniform square cross-section and offer strong mechanical properties, including good tensile strength, durability, and resistance to rust and chemical damage. Depending on the grade, tensile strength ranges from about 500 to 750 MPa. Their smooth finish, good weldability, and formability make them suitable for both load-bearing and decorative uses, ensuring they perform well in tough or demanding conditions.
| Pipe Size | 12.75 X 12.75, 15 X 15, 20 X 20, 25 X 25, 30 X 30, 40 X 40, 50 X 50, 60 X 60, 75 X 75, 80 X 80, 90 X 90, 100 X100 |
| Grades | TP – 304/L/H, TP – 316/L/H/Ti, TP – 317L, TP – 321/H, TP – 347/H, 202, JT – 7, J4 – 1, TP – 409/L, TP – 410, TP – 430Ti, TP 439 |
| Standards | ASTM A249 – A269 – A312 – A358 – A409 – A554 – A778 – A789 – A790 |
| TOLERANCE on Length | Commercial Length: 6000mm +/- 30mm Fix Length: from 1200 mm up to 12000mm with a tolerance up to -0/+ 5mm |
| Finish | Polished Grit 120 – 600, Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm,Mirror Polished |
| STAINLESS STEEL 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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We manufacture and develop high-quality Stainless Steel Square Pipes and other industrial products, keeping in mind the requirements of clients from across the globe. Our Prime square pipes are accessible in different sizes, dimensions and specifications requested by the valuable customers. We offer customized and non- customized stainless steel pipes according to each project’s unique requirements assuring everyone has their perfect fit for various applications. Excellence in durability and dimension precision is a commitment, providing highest standards in all our products. Here at Nakamura Stainless, we understand customer expectations and serve with trust and efficacy with long-lasting products for all your piping requirements.
Yes, Stainless Steel Square Pipes can be used for potable water applications due to their corrosion resistance, durability, and non-reactive nature, making them safe and reliable for drinking water systems.
When selecting Stainless Steel Square Pipes, consider factors such as material grade, size, corrosion resistance, application requirements, industry standards, and supplier reliability to ensure suitability and durability.
Yes, Stainless Steel Square Pipes are suitable for high-temperature applications, especially grades like 310 and 316, due to their excellent heat resistance, strength, and stability at elevated temperatures.
Stainless Steel Square Pipes are available in various configurations, including welded, seamless, and threaded. They come in different grades, such as 304, 316, and 310, to suit diverse applications.







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