Nakamura Stainless in Pulau Ujong, Singapore, is a well-established producer and supplier of world-class stainless steel welded tubing, catering to diverse industries with precision-designed solutions. Renowned for its quality ethos, Nakamura provides welded tubing that conforms to international standards of strength, corrosion, and dimension. The company’s state-of-the-art production processes provide uniform weld integrity and smooth finishes, rendering their tubing suitable for use in both structural and fluid transfer operations. Based on a reputation of reliability and quick delivery, Nakamura Stainless assists industries ranging from chemical processing to food and beverage, marine, and construction.
Stainless steel welded tube is generally made from grades like 304, 316, and 316L, having about 16–18% chromium and 8–12% nickel content, with the addition of molybdenum for improved corrosion resistance being optional. The tubes are made from rolled strips and welded in a longitudinal manner through methods like TIG or laser welding. Welded tube possesses excellent mechanical properties, with tensile strengths between 500 and 750 MPa and high elongation. While less pressure-resistant than seamless tubing, welded tubing is lower in cost and preferable for the majority of low to moderate pressure applications requiring high corrosion resistance.
| Range : | 1/8” NB to 36” NB, 1/4” OD to 36” OD |
|---|---|
| Outer Diameter : | 6.35 mm O.D to 114.3 mm O.D |
| Thickness : | 0.8 mm to 12.7 mm |
| Length : | up to 26 Meters |
| Specifications : | ASTM A312 / ASTM SA312 |
| Types : | As Welded, EFW, ERW |
| End : | Plain End, Beveled End |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. max. | – 0.08 | – 2.0 | – 0.75 | – 0.045 | – 0.030 | 18.0 20.0 | – | 8.0 10.5 | – 0.10 |
| 304L | min. max. | – 0.030 | – 2.0 | – 0.75 | – 0.045 | – 0.030 | 18.0 20.0 | – | 8.0 12.0 | – 0.10 |
| 304H | min. max. | 0.04 0.10 | – 2.0 | – 0.75 | -0.045 | – 0.030 | 18.0 20.0 | – | 8.0 10.5 | – |
| Element | SS 304 |
|---|---|
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
| Elongation | 35 % |
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Stainless steel welded tubing are formed by welding stainless steel strips or plates. They offer strength, corrosion resistance, and cost-effectiveness, suitable for various industrial, commercial, and residential applications.
Stainless steel ERW (Electric Resistance Welded) tubing are produced by welding steel strips. They offer cost-effective, high-strength, and corrosion-resistant solutions for various industrial applications, providing durability and reliability.
Stainless Steel EFW (Electric Fusion Welded) tubing are produced by electrically fusing stainless steel plates or strips. They offer high precision and strength, suitable for high-pressure and demanding applications.
SS HFW (High-Frequency Welded) tubing are stainless steel tubings welded using high-frequency currents. They provide strong, precise joints, making them ideal for structural applications and high-strength requirements.
Stainless Steel butt-welded tubing are joined by aligning and welding the ends together. This method creates strong, leak-proof joints, ideal for high-pressure and high-temperature applications in various industries.
Stainless Steel laser-welded tubing use laser technology for precise, clean welds. They offer high accuracy, minimal thermal distortion, and are ideal for applications requiring tight tolerances and smooth finishes.
The tests include destructive testing methods and others which do not destroy the material but analyze the testing quality. We are developing into all modern aspects. Offering services to any customer that provides security assurance, we live achievement and a few policies such as consideration of diversity and advantage of best quality, quality reputation, and our name in the industry. Best quality speaks for itself, especially when the customer is satisfied after delivery. Logistical support at the most convenient part to ensure that shipping for emergency stock and standard packing materials is done correctly.
Stainless steel welded tubing finds broad use in situations requiring hygiene, corrosion resistance, and strength. In the food and beverage sector, it is necessary for sanitary fluid transportation. In pharma and chemical plants, it is utilized in process lines because of its corrosion resistance and cleanliness. Welded tubing is also used in condensers and heat exchangers, architectural railings, and automotive parts. Its low cost, ease of workability, and capability to satisfy severe cleanliness and tensile requirements make it suitable for a wide variety of industrial, commercial, and ornamental applications.
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