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July 2016
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SEAMLESS STEEL TUBING
Arihant Fittings

Arihant Fittings is established & well versed organized group in a manufacturing of the quality product (seamless steel tubing). We build an exceptional landmark in gaining clients trust with our valuable quality seamless steel tubing in the b2b competitive business market segment. We are always looking forward to opportunities from all areas irrespective of harming to human, social and economic values. We marked a good repo in exporting Tubes in worldwide network thru legalized channel business partners around the globe.

Seamless steel tubes

Seamless Steel Tubing,Seamless Steel Tubing Suppliers,Seamless Steel Tubing Manufacturers in India

Seamless steel tubes

Seamless Steel Tubing Manufacturers in Mumbai , Suppliers of Seamless Steel Tubing

Arihant Fittings Seamless Steel Tubing

Salient Features

  • Robust mechanical resistance, regardless to high temperature.

  • High precision

  • Balanced 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

ABOUT SEMLESS STEEL TUBING

Seamless steel tubing is a kind of tubes consists of cylinders of metal, glass or plastic. It is used for transporting cum holding, gas & liquids. It is having a long narrow container that is having the opening at one ends that contains some material. They are made up from more than 20+ steel grades. High precision seamless steel tubes start their journey as seamless tube extrusions and ranges in different sizes. Every time we do reduction process, we have to cut as per need, cleaned & heated. The main process constitutes with respect to seamless steel tubes are tube reduction which we usually define as Pilgering & other is cold drawing.

Other processes – drawing process includes:

Annealing

Degreasing / cleaning

Printing

NDT testing

Deburring / cutting as per length requirement

Shipment

Additional processed includes:

Electro-polishing

And normal polishing.

Difference between Seamless over Welded tubing:
Seamless steel tubing is extruded & drawn from a billet. Besides this, the welded tube is produced from a strip that is roll formed & welded to produce a tube. Welded tube is having competitive pricing with respect to seamless tube & is readily available for long lengths.

The working pressure of welded tube is 20% less beside seamless tube. When we talk about potential impurities, which reduce the corrosion resistance of the finished tube. The weld area is considered to be inhomogeneous and exhibiting different malleability & less corrosion resistance as well as greater dimensional variations. Drawing welded tubes reduces these anomalies.

Most of the tubing either (seamless steel tubing & welded) is generally drawn to produce final dimensional tolerances. Drawing is one of the operations that will pull a tube through a die. There is various method for drawing a tube, however, they can be thought of as plug drawn or sunk drawn. Differences can be seen on the ID surface roughness.

Typically seamless steel tubes are manufactured with specific wall thicknesses e.g. schedule 40, schedule 80. With respect to large sizes, We can find seamless tube thicknesses other than the standard schedules e.g. 1/4″ or 3/8″.

MATERIAL USED

We as seamless steel tubing manufacturer use good quality raw materials,some of these are given here for reference.

Duplex Steel Grades in seamless steel tubing: Duplex 2205

Internal Diameter (ID) of seamless steel tubing:

1/16” to 14 “ , wall thickness as per specification

6 Moly Grades in Seamless Tubes:

254 SMO

Grades in Stainless Steel 300 Series of seamless steel tubing: 304 , 304L , 304H , 309S , 309H ,310S ,310S , 316 ,316L ,317L ,321 ,321H ,347, 347H

Grades in Stainless Steel 400 Series of seamless steel tubing: 410

Seamless tubes are used for several applications across different industries:

Aircraft parts & racing cars:These tubes are fitted on the wing of an aircraft in order to measure the aircraft speed.

Some major industrial applications:It include measuring liquid flow and air flow in tubes and channels, ducts, and stacks during construction.

We are fully equipped with complete operational support in exporting and can also shipped to the client’s home countries in no time thru our esteemed business partners for fine qualitative products to over 45 countries around the world, including UAE, UK, Iran, Iraq, Qatar, Bahrain, Oman, Yemen, Lebanon, Jordan, Saudi Arabia, Malaysia, Indonesia, Singapore, Australia, New Zealand, USA, Canada, Mexico, Brazil, Netherlands, Germany, Italy, Spain, Serbia, Kuwait, Peru, Nigeria, Poland, South Africa, Denmark, Turkey, Egypt, Venezuela, Kuwait, Madagascar, Angola & Sri Lanka.

The prominent tube manufacturer, Arihant Fittings is backed by all the necessary world class certification which incorporated with ISO 14001:2007, 9001:2008, OHSAS 18001:2004 and CE-PED 97/23/EC.We are the fellow member of various acclaimed Chambers of Commerce and agencies which comprises of FICCI, Indian Merchant of Chamber association, EEPC, MASSMA, FIEO etc. We are dealt with 1 year warranty regarding product replacement without any further questioning. We are 100% sure for our in house tested zero defect tube and 3 layer inspection control of mechanical test, chemical test, dimension assessment, pressure test and gauge test. We are normally packed with loads of orders this is why we schedule 90 days prior in advance to avoid last minute rush.

We as seamless steel tubing supplier give good care in packaging. We usually recommend to do surface cleaning to remove all impurities within the stock. When it get dried up, then later on it is used to wrap within with thin layered plastic sheets. All the required ends are protected by plastic cap to avoid any unexpected damages with respect to transition from one place to another during transit. At last but not the least the tubing is bundled with bubble wrap followed by colored plastic goonies or set of bundles.The outer rope is tied to protect the tubing which are packed in wooden box as final finishing to the qualitative packaging.We follow all this process so that the customer will able to track or identified its ordered product safely at receiving end. We are giving emphasis on packing as much as production and like to make seamless buying experience for customer.We provide seamless steel tubing with required documents prior to dispatch of tube from home mill unit, such as packing list, commercial invoice, Test Reports, HS Code, Country of Origin attested by chamber of commerce, Fumigation Certificate, Warranty Letter, and Base Material Certificates.On client request we also provide a free sample kit against purchase order copy. The client just need to click on “Request your free sample kit now!” button on our digital online web link.

Value Additions for Seamless Tube:

PMI Test( Positive Material Identification) of Seamless Tubes:

PMI Tests for nearly all pipes as per request so that the material is as per customer specification and requirement.

Heat treatment and Solution Annealing of Seamless Tubes : To change the mechanical properties, some pipes can also undergo heat treatment.

Honing & Turning of Seamless Tubes : Using a high precision abrasion process it can hone the pipe and tube to obtain a near perfect finish.

Beveling of Seamless Tubes : Pipes can also undergo Beveling at the edges to prepare it for welding and other purposes

Polishing of Seamless Tubes: We can polish as per #4 polish, #6 polish, #7 polish and #8 mirror finish polish. Polished pipes can also be cut to sizes

Wall thickness and Non-Standard OD’s with varied tube size ranging from 1/8″ thru 1-1/2″ can also be provided with respect to the ordering in nearly about 2 weeks.

Special length of 30″ Millimeter sized can also be supplied & shipped with respective order requirement.

Heavy loaded wall hallow bar in stock thru 16″ diameter up to 2″ wall.

We do comply with same day shipping of goods policy once we get approved confirmed order receipts from respective or potential clients.

We make world class buying experience for clients. So that the client will revert back with sound feedback and this will leads to reimbursement of bulk orders and mouth to mouth marketing for our esteemed group.

PIERCING (ROTARY FORGING) METHOD:
It consists of forging operation through which the metal is worked from the inside & outside portion both. A solid bar is converted into a hollow shell by displacing material onto the mandrel rotary rolling. This results considered as grain structure & uniform grain flow. This tube processes include long lengthening to reach the desired wall thickness, rolling to achieve the outside diameter & rotational sizing to round the tube broadness to your final required dimensions. These operations are overseen to produce a tube with uniform properties from the surface, through the wall.
THERMAL TREATMENT METHOD:

Various thermal treatment are in practices that enrich with tailor solutions to meet a wide range of customer needs. A diverse range of processing startup will meet the demanding strength & hardness requirements regardless of the order size is provided to the client.
TESTING AND FINISHING METHOD:

The state of the art finishing processes starts through the IFL (intermediate finishing line) include water blast scale removal, straightening, cutting, edgy testing ,ultrasonic tests, and dimensional gauging. It includes hardness, strength, & toughness & cleanness test, in order to meet client’s specification.
Generally the tubes are manufactured using seamless tubes & pipes are made up of hot rolling or hot extrusion & welded cum butt-welded pipe develop by bending the welding sheet / plates.
Production cycle of tubes kick start with extruded hollow tube or a sold drilled to our exacting specification. The material usually reduced the various cold working techniques until it reached onto specific size, tolerances and temper resistant with respect to customer requirement. After every cold working cycle the tubes get cut, cleaned & heat treated preparation by specialized team we employ multiple combination of value added steps to produce high quality tube to meet expected requirements of client.

Now we are going to share the brief cum informative understanding with respect to production life cycle process:

1. Pilgering: It reduce the size of the tube across thru 3 dimensional procedure – Outside Diameter (OD), Internal Diameter (ID), Wall thickness. Then roll a die set with tapered groove across the outside of tube and supporting the internal diameter using a taper matched hardened mandrel made up of steel.
2. Tube Rolling:

It provide compression to reduce the size of seamless tubes. Tube rolling utilized 1 or 2 set of rolls with constant cross section grooves with respect to circumference of the tube. It usually process to employs a cylindrical mandrel with no tamper. The rolls are driven by pinion rears and rack of differential radii along with profiled cams, completing multiple 360 degrees rotation around the tube.The Tube rolling is the method with precision of reducing a thin walled diameter tubes. It is followed by the final cold working style. We get the extensive exceptional control over the dimensional tolerance & surface finish with this rolling tactics. It is also minimize the material loss and improves the metal microstructure. Tube rolling is well versed to process unique metals like zirconium alloys and titanium.
3. Cold Drawing:

It reduces the actual diameter by stretching the tube using a die that is smaller than the required tube. Later on one end is swaged in order to fit the tube into the die, Thereby reducing the diameter of the leading end before drawing. Next the narrow end is passed through the die & clamped to a drawing trolley which usually pulls the tube thru the die. After drawing process the tag is cropped from the tube end prior to cleaning.
4. Other useful techniques involved with respect to production process includes: Sink Drawing and others.