Lecong Stainless is a reputable producer and supplier of Da Nang, Vietnam-based stainless steel mechanical tubing. With high precision and consistent quality product delivery, Lecong caters to diversified industries such as automotive, aerospace, construction, and machinery industry. Lecong’s stainless steel mechanical tubing is designed through cutting-edge cold-drawing and welding technology, guaranteeing close dimensional tolerances, smooth finishes, and strong mechanical properties. With excellent emphasis on quality control and adherence to international standards, Lecong offers standard and custom tubing solutions. They are relied on for critical uses where strength, corrosion resistance, and performance are crucial.
Stainless steel mechanical tubing is generally fabricated from grades like 304, 304L, 316, and 316L, which contain high chromium (18–20%) and nickel (8–12%) content for better corrosion resistance and strength. These tubes have good mechanical properties with tensile strength from 515 to 620 MPa and around 205 MPa of yield strength based on the alloy. They are produced using cold drawing or welded and seamless methods, giving high dimensional accuracy and surface finish. The tubing has resistance against oxidation, pitting, and stress corrosion cracking, ideal for use in high-stress, high-temperature, and corrosive environments within mechanical systems.
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Dimensions |
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ASTM, ASME and API |
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Standard |
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ASTM / ASME SA213 |
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Size |
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1/8″NB TO 30″NB IN |
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Specialized in |
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Large Diameter Size |
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Schedule |
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SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
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Form |
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Round, Square, Rectangular, Hydraulic Etc |
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Type |
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Seamless |
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Length |
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Single Random, Double Random & Cut Length. |
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End |
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Plain End, Beveled End, Threaded |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 304 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 18 – 20 | – | 8 – 11 | 0.10 max |
SS 304L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 13 | – |
SS 316 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 11.00 – 14.00 | 0.10 max |
SS 316L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 min |
SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | – |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
SS 304 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
SS 316 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
SS 904L | 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
Contact us to get a quick quote for your requirement.
We provides thorough testing and certification of stainless steel industrial tubing, ensuring quality and efficiency. Each tube undergoes rigorous testing, including dimensional testing, mechanical properties and surface integrity. Certifications such as Mill Test Reports (MTR) and adherence to international standards enhance reliability and customer satisfaction in various industries.
Stainless steel mechanical tubing is a high-strength, corrosion-resistant tube used in various industrial applications. It provides structural support, durability, and reliability in demanding environments, including aerospace, automotive, and chemical industries.
Alloy steel mechanical tubing is a high-strength, durable tube made from alloyed steel, designed for demanding applications. It offers enhanced properties like improved toughness and resistance to high temperatures and stress.
Aluminum mechanical tubing is a lightweight, corrosion-resistant tube used in various applications. It provides strength and durability while being easy to fabricate, making it ideal for aerospace, automotive, and structural uses.
Cold drawn mechanical tubing is produced by drawing metal through a die at room temperature, enhancing its dimensional accuracy, surface finish, and mechanical properties, making it ideal for precision engineering and high-stress applications.
Heat-treated mechanical tubing is metal tubing that has undergone controlled heating and cooling processes to enhance its strength, hardness, and wear resistance, making it suitable for high-stress and high-performance applications.
Seamless mechanical tubing is a type of tubing manufactured without welded seams, offering uniform strength and reliability. It’s used in high-pressure and critical applications due to its consistent performance and durability.
Stainless steel mechanical tubing has numerous applications where structural integrity, corrosion resistance, and accurate dimensions are all essential. In automotive engineering, it finds application in exhaust systems, fuel lines, and structural elements. In construction and architecture, it is used in support structures, handrails, and framework. It is also utilized in industrial machinery, heat exchangers, hydraulic systems, and medical equipment. The smooth exterior and interior surfaces minimize fluid flow resistance and facilitate cleaning, while its durability and strength provide high-load and high-pressure suitability. The tubing finds great importance in systems that require both mechanical performance and high longevity.
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