Lecong Stainless is a trusted manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel Square Pipes that meet international quality standards. These pipes are crafted using cutting-edge technology to guarantee durability, strength, and precise dimensions. Known for their excellent corrosion resistance and smooth finish, they are highly valued in various industrial and structural applications. Lecong Stainless is dedicated to providing top-notch products at competitive prices, along with timely service, making them a reliable choice for Stainless Steel Square Pipes in both local and global markets across a range of sectors.
Stainless Steel Square Pipes primarily consist of iron, chromium, and nickel, with carefully controlled amounts of molybdenum, manganese, and carbon to boost performance. This unique blend offers outstanding corrosion resistance, toughness, and durability, even in tough environments. On a mechanical level, these pipes deliver high tensile and yield strength, good weldability, and dimensional stability. Their square shape enhances rigidity and strength, making them perfect for structural and load-bearing applications. The combination of their chemical and mechanical properties ensures they perform well and adapt easily for industrial, commercial, and architectural needs.
| 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 Lecong 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.
In the construction industry, Stainless Steel Square Pipes are commonly used for frameworks, supports, and architectural structures thanks to their strength and modern look. They find applications in sectors like oil and gas, petrochemical, and marine, where they are utilized for transporting fluids under challenging conditions. Their hygienic and smooth surface makes them ideal for food processing, pharmaceutical, and sanitary uses. Additionally, automotive, furniture, and infrastructure projects depend on these pipes for their durability and design flexibility. With their versatility, corrosion resistance, and reliability, Stainless Steel Square Pipes are a vital choice across many industries around the globe.















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