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Home Steel Tubing Seamless Tubes

SEAMLESS TUBES MANUFACTURERS & SUPPLIERS

Instinox is one of the leading integrated specialised seamless tubes manufacturers in India. Instinox is digitally the most popular brand in Indian sub-continent. We have heavy penetration in the market and have already exported our products to more than 54+ countries. Our firm specialises in high nickel based alloys. We are experts in Seamless Tubes. We supply both seamless and welded tubes. Our aim is to get maximum customer satisfaction.

Our industry is filled with many low-quality high volume suppliers who are below the mark in what the industry needs. This results in the low life of the goods and thus leads to a bad project. The yield is low due to lack of supply. We at Instinox aim to change the past. We have less than 1% return rate in the previous 15 years and the day hasn’t come yet and hopefully may not change anytime soon.

Our products are government and private laboratory tested before shipment. The laboratory consigns a testified certificate from ISO14001:2004, OHSAS 18001:2007 standards. We provide product replacement guarantee to our customers. Instinox gives its buyers a world class experience of buying which attracts the customers towards out firm.

ABOUT SEAMLESS TUBES

Tubes are nothing but long hollow cylinders of metal, plastic, or glass, etc. used for holding or transporting something, liquids or gases.

Tubes have a long narrow container that has a small opening at one end and that contains materials. Stainless Tubes are made from more than 20 steel grades, that too of various corrosion resistance tubes and are majorly used for an appliance in conditions of a wide extension of corrosion environments and temperature in a heat exchanger. Seamless tubes are tubular products made without a welded seam, manufactured in a hot-forming process using an extrusion or drawing process using a mandrel that can be followed by cold sizing or cold finishing to produce the desired shape, dimensions and properties of the tube.

SPECIAL PROPERTIES

  • Compared with other plastic seamless steel tubes having strong mechanical resistance, regardless of how high a temperature is, the use of seamless steel tube, it is mounted and the other tubes are the same, can replace other tubed water and other liquids.
  • High precision
  • Smaller batch production
  • Weldability strong , high compression capability
  • Superior performance, relatively dense metal
  • Good surface quality
  • Provides accuracy on a consistent basis across different environmental conditions.
  • More durable than several others.
  • Less expensive

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SEAMLESS TUBES MANUFACTURING

PIERCING (ROTARY FORGING) METHOD

Piercing a seamless steel tube is a forging operation through which the metal is worked from the inside as well as the outside portion. A solid bar is converted into a hollow shell by displacing material over a mandrel rotary rolling. This results in a refined grain structure and uniform grain flow. Seamless tube processes include lengthening to reach the desired wall thickness, rolling to achieve the outside diameter and rotational sizing to round the tube broadness to your final required dimensions. Then these operations are overseen to produce a tube with uniform properties from the surface, through the wall and from one end to the other.

THERMAL TREATMENT METHOD

There are various thermal treatment facilities that tailor solutions to meet a wide range of customer needs. A diverse range of processing options to meet demanding strength and hardness requirements regardless of the order size is provided to the customers.

TESTING AND FINISHING METHOD

This significantly eliminates product touches and material movements,helping improve extra lead times. The state of the art finishing processes through the IFL (intermediate finishing line) include straightening, water blast scale removal, cutting, ultrasonic tests, edgy testing, and dimensional gauging. Intermediate finishing line testing capabilities include hardness, strength, and toughness and cleanness test, in order to meet customer’s specifications.

QUANTITY

The quantity for standard seamless mechanical steel tube produced is around ten thousand pounds. For tube sizes, that weigh more than hundred pounds per foot, the approx. production is twenty thousand pounds.

This quantity applies to standard grades. Customers must order non-standard grades in a heavy lot. A heavy non-standard grade steel in multiple sizes can be provided. The size of the steel tubing product available per heat through the inquiry process can also be determined.

QUALITY

Instinox produces steel seamless mechanical tubing to a range of quality levels, including Par premium, aircraft, bearing, electric furnace and commercial. Instinox typically produces steals as per AISI standards, but also meet non-standard steels that are manufactured as per customer specifications.

Much of the special quality production goes into aircraft parts, anti-friction bearings, gun quality steel and steel with highly transverse mechanical properties.

APPLICATIONS

Seamless tubes are used for several applications across many industries. Most common applications are seen in aircraft parts and racing cars. These tubes are fitted on the wing of an aircraft in order to measure the aircraft’s speed. Some major industrial applications of these tubes include measuring liquid flow and air flow in tubes and channels, ducts, and stacks during construction.

DIFFERENCE BETWEEN SEAMLESS & WELDED TUBES

  • Seamless tubes have three different methods of manufacturing where each tube is extruded and drawn from a billet.
  • Welded tubes are rolled formed and welded to produce tubes and seamless tubes are comparatively more expensive than welded tubes
  • The size of the welded tubes in larger and longer than the seamless steel.
  • The pressure holding capacity is more in seamless tubes than welded tubes.
  • Seamless tubes are typically manufactured to specific wall thicknesses such as schedule 40, schedule 80, etc. In large sizes, one may find some seamless tube thicknesses other than the standard schedules such as 1/4″ or 3/8″.
  • Seamless tubes are also more expensive due to the method of manufacture.
  • Welded tubes are made from the plate and therefore can easily be made to the thickness required for a specific project. Since plate can be rolled to any thickness there is no practical limit on the wall thickness for welded tubes.
  • The thickness is controlled to a greater degree and the tube is cheaper to manufacture.
Summary
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Author Rating
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Aggregate Rating
5 based on 1 votes
Brand Name
Instinox
Product Name
Seamless Tubes
Price
USD 1-100
Product Availability
Pre-Order Only
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