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Ultra-Small Diameter Tubes

BRIGHT ANNEALED
Outer Diameter: 0.1 mm to 5 mm
Length: 1 mm to 2 meter, Wall thickness: 0.015 mm to 0.70 mm

Ultra-Small Diameter Tubes

Ultra-Small Diameter Precision Tubes (SS, Duplex, Super Duplex, Cu, Cu alloys, Ni, Ni alloys, Ti, Ti alloys, Rare & Precious Metals,) Manufacturer & Exporter

Special grade tubes, SS, Duplex steel, copper, Cupro Nickle, Titanium, Nickel Alloy, Rare Metals Manufacturer, Explorter. Rohr Eckhardt Steel Pvt. Ltd.

Small & Ultra Small Diameter tubes are made from Stainless Steel, Duplex & Super Duplex Steel, Copper & Copper Alloys, Nickel & Nickel Alloys, Titanium & Titanium Alloys, Tantalum, Niobium, Niobium/Zirconium alloy, Niobium/Molybdenum alloy, Niobium/Tungsten alloy, Zirconium alloy, Cobalt/Chromium alloy (L605), Magnesium alloy, SPRON510 alloy, Silver alloy, Gold alloy, Platinum alloy etc. These tubes are used in the fast growing industries like Aerospace & Defense & Hydrogen vehicles.




  • Stainless Steel Small & ultra-small diameter seamless tubes
  • Duplex & Super Duplex Steel Small & ultra-small diameter seamless tubes
  • Copper & Cu alloys Small & ultra-small diameter seamless tubes
  • Nickel & Ni alloys Small & ultra-small diameter seamless tubes
  • Titanium & Ti Alloys Small & ultra-small diameter seamless tubes
  • Tantalum, Niobium, Niobium/Zirconium alloy, Niobium/Molybdenum alloy,
    Niobium/Tungsten alloy, Zirconium alloy, Cobalt/Chromium alloy (L605),
    Magnesium alloy, SPRON510 alloy Small & ultra-small diameter seamless tubes
  • Silver alloy, Gold alloy, Platinum alloy Small & ultra-small diameter seamless tubes
Outside Diameter0.10 mm to 5 mm
Wall Thickness0.015 mm to 0.70 mm
Length1 mm to 2 meters (ultra fine cutting upto 0.4 mm possible upon request)
SpecificationsASTM, ASME, DIN EN (GERMAN), NF (AFNOR), JIS (JAPAN)
Metal / AlloyGrades
Stainless SteelAustenitic, ferritic, duplex alloys 304, 304L, 304LVM, 303, 305, 316, 316L, 316LVM, 310S, 329, 347, 317L, 317LN
Duplex & Super Duplex25Cr Duplex | 2507 | UNS S32750 (F53) | IMS S32760 (F55) | 1.4410 | Alloy 2507 | SAF 2507 | Super Duplex S32760 | Super Duplex S32760 | X2CrNiMoN25.7.4 | Stainless Steel Super Duplex | 2750 | Duplex 2507 | 1.4501 | Zeron 100 |Super Duplex 2507 | Duplex 2507
Copper & Cu alloys:Oxygen-free copper C1020, phosphorus deoxidized copper C1220, beryllium copper, Brass, phosphor bronze C5191 & C5212, cupronickel C7060 & C7150, nickel silver C7701, Cupro Nickel 90/10, Cupro Nickel 80/20, Cupro Nickel 70/30
Nickel & Ni alloysNi 200 201, Inconel I-600 I-625 I-825, Hastelloy C22, C276, Kovar, Alloy 42
Titanium &
Ti Alloys:
Gr1, Gr2, Ni-Ti, β-Ti, and others
Rare MetalsTantalum, Niobium, Niobium/Zirconium alloy, Niobium/Molybdenum alloy,
Niobium/Tungsten alloy, Zirconium alloy, Cobalt/Chromium alloy (L605),
Magnesium alloy, SPRON510 alloy
Precious MetalSilver alloy, Gold alloy, Platinum alloy
Special Grade tubes inquiry, Rohr Eckhardt Pvt. Ltd.
  • Medical Industry:
    – Catheters and Medical Devices:
    Thin precision tubes are used in catheters, endoscopic instruments, and other medical devices where precise control and minimal invasiveness are critical.
     – Syringes and Infusion Systems: Tubes in syringes and intravenous infusion systems require precise dimensions to ensure accurate dosage and fluid flow.
    – Stent, Endoscope components, Cannula needle, Needle with lure-lock, Dental equipment parts.
  • Aerospace Industry:
    – Fuel and Hydraulic Systems: Precision tubes are used in aerospace for fuel lines, hydraulic systems, and pneumatic systems where performance and reliability are crucial.
    – Instrumentation: Used in various sensors and instrumentation systems where accurate measurements are required.
  •    Automotive Industry:
    – Fuel Injection Systems: Precision tubes are used in fuel injection systems to ensure accurate fuel delivery and optimize engine performance.
    – Hydraulic and Pneumatic Lines: Employed in hydraulic and pneumatic systems for brakes, steering, and suspension systems.
  • Electronics and Telecommunications:
    – Cable Insulation and Connectors: Thin precision tubes are used for insulating and protecting delicate electronic cables and connectors.
    – Optical Fiber: Used in the casing of optical fibers for data transmission.
  • Manufacturing and Engineering:
    – Hydraulic Cylinders and Pneumatic Tubes: Used in various machinery and tools for transferring fluids and gases under pressure.
    – Structural Components: In precision engineering and manufacturing, these tubes are used for structural and mechanical components where space and weight are considerations.
  • Chemical and Pharmaceutical Industries:
    – Piping and Tubing for Reagents: Used for transporting chemicals, reagents, and pharmaceuticals where precision and resistance to chemical interactions are required.
  • Research and Development:
    – Experimental Apparatus: Precision tubes are often used in research settings for creating custom experimental setups and prototypes.
  • Food and Beverage Industry:
    – Piping for Processing and Packaging: Precision tubes are used in the food and beverage industry for processing, transporting, and packaging fluids.
  • Hydrogen Storage and Distribution:
    – High-Pressure Hydrogen Lines: Precision tubes are used to safely transport hydrogen gas from storage tanks to the fuel cell system. These tubes must withstand high pressures and be highly resistant to hydrogen embrittlement.
  • Fuel Cell System:
    – Cooling and Management Systems: Precision tubes are involved in cooling systems that manage the temperature of the fuel cell stack. They help in the circulation of cooling fluids or gases to maintain optimal operating temperatures.
  • Hydrogen Delivery to the Fuel Cell:
    – Flow Control: Tubes are used to regulate the flow of hydrogen into the fuel cell, ensuring a steady and controlled supply for efficient energy conversion.
  • Safety and Monitoring Systems:
    – Sensors and Instrumentation: Precision tubes may be part of systems that monitor hydrogen levels, pressure, and other critical parameters to ensure safe and efficient operation.
  • Integration with Other Components:
    – Hydraulic and Pneumatic Systems: In some cases, precision tubes are used in hydraulic and pneumatic systems within the vehicle, such as those controlling various mechanical parts.
  • Precision measuring instruments: Thermocouple, Pressure Gauge (Bourdon Tube)
  • Processed parts: Laser processing tip nozzles, Suction Nozzle, Dispenser Nozzles
  • Lifestyle: Clock & Watch parts, Ornaments, Magnetic Recording Heads,
  • Musical Instrument parts
  • Precision parts for home appliances Optical communication: Ferrule
  • Aerospace & Space industry: Capillary tube for propellant propulsion system for satellites, Micro heat pipes
  • Process: ECM Electrode tube (Electrolytic Processing), Gas Chromatography
  • Electronic components & Semiconductor: Micro heat pipes, Metal seal (prevent gas, liquid leakage from semiconductor equipment), Contact probes used for electrical inspection of PCB, IC and LCD, Mobile phone, Antenna
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