Nakamura Stainless, located in Pulau Ujong, Singapore, is a prominent producer and supplier of high-grade stainless steel seamless tubing, providing exceptional performance for demanding applications in various industries. Utilizing cutting-edge manufacturing processes and rigorous quality control, Nakamura guarantees its seamless tubing provides superior uniformity, corrosion resistance, and pressure strength. Created for reliability and accuracy, their seamless tubes are applied in industries like oil and gas, chemical processing, pharmacy, and power generation. Committed to consistent supply, technical assistance, and compliance with international standards, Nakamura Stainless is a reliable partner in seamless tubing applications in challenging conditions.
Seamless tubing in stainless steel is usually produced using grades such as 304, 316, and 321 that contain 16–18% chromium and 8–12% nickel with the optional inclusion of molybdenum to enhance corrosion resistance. Unlike welded tubing, seamless tubes are made by extrusion or piercing methods without weld seams and better pressure performance. They provide superior tensile strength, usually ranging from 500 to 750 MPa, with high corrosion resistance, oxidation resistance, and thermal stress resistance. Seamless tubing is generally chosen for high-pressure, high-temperature, and critical applications where uniformity, structural stability, and leak resistance are crucial.
| Range : | 6NB to 1200NB |
| Outer Diameter : | 1/8″ NPS to 12″ NPS |
| Thickness : | 0.6 mm to 12.7 mm |
| Schedules : | SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS. |
| Length : | Single Random, Double Random & Cut Length |
| Specifications : | ASTM A312 / ASTM SA312 |
| Types : | Round, Square, Rectangle, Hydraulic, Honed Tubes |
| End : | Plain End, Beveled End |
| Grade | UNS # | Content % by weight | |||||||
| Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Molybdenum | ||
| TP304 | S30400 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18 – 20 | 8 – 11 | x |
| TP304L | S30403 | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 18 – 20 | 8 – 13 | x |
| TP316 | S31600 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16 – 18 | 10 – 14 | 2 – 3 |
| TP316L | S31603 | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16 – 18 | 10 – 14 | 2 – 3 |
| Steel Grade | N/mm 2 MIN. Tensile Stress | N/mm 2 MIN. Proof Stress | % MIN. Elongation | HRB MAX. Hardness |
| SUS304 | 520 | 205 | 40 | 90 |
| SUS304L | 480 | 175 | 40 | 90 |
| SUS310S | 520 | 205 | 40 | 90 |
| SUS316L | 480 | 175 | 40 | 90 |
| SUS321 | 520 | 205 | 40 | 90 |
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Stainless steel seamless tubing is a high-strength, uniform tube without welds, offering excellent corrosion resistance and durability. It’s used in demanding applications across aerospace, automotive, medical, and industrial sectors.
SS hydraulic seamless tubing is a high-strength, corrosion-resistant tube used in hydraulic systems. Its seamless construction ensures uniformity and reliability under high pressure, making it ideal for demanding hydraulic applications.
Stainless steel API seamless pipes are high-strength, corrosion-resistant tubes manufactured to API standards, used for oil and gas transportation and drilling applications, offering durability and reliability in harsh conditions.
SS chrome-molybdenum seamless tubing is a high-strength, alloyed steel tube that offers excellent resistance to high temperatures and pressure. It’s used in demanding applications like power generation and oil and gas industries.
Stainless steel high-temperature seamless tubing is designed to withstand extreme heat while maintaining strength and corrosion resistance. It’s used in applications like furnaces and heat exchangers where high-temperature performance is crucial.
Stainless steel galvanized seamless tubing is coated with zinc for added corrosion resistance, combining the durability of stainless steel with enhanced protection against rust and environmental damage for various applications.
All stainless steel seamless tubings are well packed. Materials used must be of high quality for damage or corrosion prevention while in transit. Timely delivery is the essence of customer satisfaction and it is achieved by using efficient transportation modes. In this transparency, all necessary product documentation will be provided to the clients at the time of delivery, ensuring that their service experience will be both smooth and reliable.
Stainless steel seamless tubing is employed in high-performance applications requiring strength, accuracy, and resistance to corrosion. It is commonly used in oil and gas pipelines, petrochemical and chemical plants, heat exchangers, and high-pressure hydraulic systems. Seamless tubing in the pharmaceutical and food industries provides hygienic, contamination-free fluid transport. Power generation and aerospace industries also use it for its thermal expansion and mechanical stress endurance. Its smooth bore interior, weld-free structure, and capacity for coping with harsh environments position it well for the
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