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Mehta Tubes Limited Mehta Tubes Limited
Copper Tubes


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Flexible and adaptive Mexflow® Copper Cable Terminals
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COPPER TUBES




Copper TubesCopper Strips, Rods & Plates For Earthing System
Solid Copper Earth Rods

Copper Strips, Plates and Solid Rods are manufactured from highly conductive EC Grade Copper. They offer great resistance to corrosion. They are ideally used in applications where the salt content in the soil is very high.
Size : 16mm - 2Omm (length as per customer specifications).

Swaged Earth Rods (250 Microns)
  • Plain Swaged Earth Rods.
  • Tapered Swaged Earth Rods.

Especially developed for Australian market, available with driving head and coupling.

Driving Heads / Studs / Tips / Dowell Pins
Made from High Tensile Steel to ensure force from power hammer. Dowell Pins are also made from High Grade Brass.
Sizes : 1Omm, 14mm, 5/8", 3/4" etc.

Couplers
Material : Copper Alloy
Sizes : 14mm, 5/8", 3/4" etc.

Clamps
Material : Copper Alloy
Sizes : 14mm, 3/8", 5/8", 3/4" etc.

Air Terminal Base
Material : Body Casted from Brass
Application : Used as a base for fixing Air Terminal

Copper Bonded Earth Rods
They are manufactured from Structural Quality High Tensile Steel Grade 43A to BS 4360. These rods are molecularly bonded with pure EC Grade Copper (99.9%).


Dimensions Rod Size (Dia x Length)
Actual Rod Dia "S"
Thread Dia "T"
Cat No.
9.5 x 1200 (Un-Threaded) 9.5 - HBR-012
9.5 x 1800 (Un-Threaded) 9.5 - HBR-018
14 x 1200 12 14 HBR-1412
14 x 1500 12 14 HBR-1415
14 x 1800 12 14 HBR-1418
14 x 2000 12 14 HBR-1420
14 x 2400 12 14 HBR-1424
5/8 x 4' OR 16mm x 1200 14.2 5/8" HBR-112
5/8 x 5' OR 16mm x 1500 14.2 5/8" HBR-115
5/8 x 6' OR 16mm x 1800 14.2 5/8" HBR-118
5/8 x 8' OR 16mm x 2400 14.2 5/8" HBR-124
5/8 x 10' OR 16mm x 3000 14.2 5/8" HBR-130
5/8 x 4' OR 16mm x 1200 14.2 5/8" HBR-312
5/8 x 5' OR 16mm x 1500 16 5/8" HBR-315
5/8 x 6' OR 16mm x 1800 16 5/8" HBR-318
3/4 x 4' OR 19mm x 1200 17.2 5/8" HBR-212
3/4 x 5' OR 19mm x 1500 17.2 3/4" HBR-215
3/4 x 6' OR 19mm x 1800 17.2 3/4" HBR-218
3/4 x 8' OR 19mm x 2400 17.2 3/4" HBR-224
3/4 x 10' OR 19mm x 3000 17.2 3/4" HBR-230

They can be driven by power hammers to a great depth. The threads of these rods are produced by Roll Threading Process which insures greater strength and more durability than cut thread.

Copper Bonded Earth Sheets / Lattice Copper
High Tensile Smooth Surface Steel Sheets are molecularly bonded with pure EC Grade Copper (99.9%). Ideal for Earthing Purposes.

Sizes : 1.5mm, 3mm Thickness (Length and Breadth as per customer specification)

Copper Bonded Earth Plates / Lattice Copper
Material : Copper Alloy
Application : Used for forming straight through, Tee and Cross joints.
Sizes : (Light, Medium, Heavy, Rectangular, Cross)
Metric : 16 x 3, 19 x 3, 25 x 3, 40 x 5, 50 x 6
Imperial : (Light, Medium, Heavy, Rectangular, Cross)



Plain Tubes


Copper TubesCopper Rods for General Engineering & Electrical Industries
BS 2874/ 69 C 106
Near Equivalent specification (I.S. 4174/67)



Phosphorus deoxidised non arsenical Copper
Fabrication Properties
Capacity for being
Cold worked Excellent
Hot Formed Excellent
Suitability for
Brazing Good
Soldering Good
Immunity to Hydrogen
Embrittlement Excellent

Uses: House hold & General Purpose.
Physical Properties:
Temper Tensile strength Kg/mm2 Min. Elongation % on 5.65 A Min.
Annealed 21.5 33
As Manufactured 23.5 13


Chemical Requirements:
Copper (Incl. Silver) 99.85% Min.
Phosphorus 0.013 to 0.05%
Total Impurities 0.06% Max.


IS 288/ 1981
Arsenical Copper
Fabrication Properties
Capacity for being
Cold worked Excellent
Hot Formed Excellent
Suitability for
Brazing Good
Soldering Good
Immunity to Hydrogen
Embrittlement Excellent

Uses: Locomotive boiler stay bolts & Rivets, Plates for locomotive fire boxes etc.
Chemical Requirements:
Copper Silver 99.2% Min.
Arsenic 0.2 to 0.5%


Physical Properties - (Annealed Condition)
Size mm Tensile strength Kg/mm2 Min. Elongation % on 5.65 A Min.
10 to 25 22.0 35
25 to 50 21.0 40
Above 50 20.0 40


Plain Tubes


Copper TubesCopper Fittings
We manufacture a wide range of copper fittings that can be utilized in many applications at home or commercial applications. These fittings are highly durable and resistant to rust. It is also recyclable and hence does not harm the environment in any way . It is also very compatible for carrying water, hence, ideal for fittings in plumbing.

Some of the properties of our products are as follows

Copper & Copper Alloy Products
Chemical Composition

DHP Copper
  • Phosphorus - 0.015 to 0.035%
  • Copper - Balance
DLP Copper
  • Phosphorus - 0.05 to 0.012%
  • Copper - Balance

Temper
H, HH, 1/4H, O (soft annealed), OL (light annealed)

To meet global competition and international quality standards,we have established stricter quality specifications on our products. The tubes conform to specification for Chemical composition, Temper, Tolerance and Cleanliness, meeting the stringent 'CFC Free' (Eco-friendly) applications

Our female fittings are manufactured with parallel threads while male fittings are produced with taper threads. Listed below is the dimensional tolerance of our fittings.

Dimension Tolerance
Nominal Diameter Tolerance on the mean diameter with respect to the nominal diameter Resulting diameter differece
Outside Diameter InsideDiameter
15mm 0.04 0.15 0.2 0.2
0.05 0.06
22 to 28 mm 0.05 0.18 0.24 0.02
0.06 0.07
35 to 54 mm 0.06 0.23 0.3 0.03
0.07 0.09
67 to 108 mm 0.07 0.33 0.41 0.03
0.08 0.1


Carbon in bore - The internal surface of our copper capillary fittings for soldering does not contain any detrimental film nor present a carbon level high enough to allow the formation of such a film during installation. The maximum total carbon level on internal surfaces do not exceed 1.0 mg/dm in accordance with specifications.

Resistance to dezincification- Our Components , which are manufactured from alloys containing more than 10% zinc(including brass) and which are required to be resistant dezincification, shall be capable of meeting the acceptance criteria for resistance to dezincification.

Resistance to stress corrosion- The fittings are resistant to stress corrosion. Components manufactured from alloys will show no evidence of cracking.

Instructions for Installation of copper fittings
  • Step 1. Ensure that the copper tube and fitting sizes are compatible. Cut the tube end square but ensure. That the tube retains its shape. The tube will then make even contact with the tube stop in the body of the fitting. The use of a tube cutter is recommended where practicable.
  • Step 2. Remove any burrs from the tube, both inside and outside.
  • Step 3. Clean the socket of the fitting with a brush and the exterior of the tube with fine steel wool, fine glass paper or a cleaning pad.
  • Step 4. Re-wound the tube with a re-wounding tool, if necessary, using fully annealed tube.
  • Step 5.Apply a flux to both the socket and the outside of the tube. If it is necessary to make the joint at one end only, insert a short length of uncleaned tube into the ends to be left unjoined and keep it cool with a wet rag while remaining joints are made.
  • Step 6. Insert the tube fully into the fitting. (In the case of slip fittings, ensure that the tube enters the socket to the appropriate distance) rotate the tube or fitting and remove excess flux where possible
  • Step 7. Apply heat with a low temperature torch, evenly heating both tube and socket until a complete ring of solder appears at the mouth of the fitting. Do not apply excessive heat or additional solder.
  • Step 8. Allow the joint to cool, ensuring that no movements occurs.
  • Step 9. Wipe the joint with a damp cloth to remove flux residues and thoroughly clean joint.
  • Step 10. Flush all residues out of the system, as soon as possible.



Plain Tubes


Copper TubesCopper Sheet / Strip
We manufacturer copper sheets and copper strip in E.T.P grade. The minimum and maximum grade of these copper sheets and strips are well specified. The various technical specifications of these copper sheets and strips



Plain Tubes


Copper TubesCopper Coated Wire
With an exclusive array of Copper Coated Wires, we have gained trust of our valued clients. These wires are manufactured according to the specifications provided by our clients. Our experts and quality controllers make sure that the finished products adhere to the International Quality Standards, meeting varied choices of the clients. These wires are manufactured using premium quality steel wires. These wires find application in various telecommunication, electronic and electrical industries. Certain features that or range comprises are as follows:
  • Fine finishing
  • Corrosion resistant
  • High tensile strength



Plain Tubes


Copper TubesCopper Alloy Wires
Copper & Copper Alloy Wires & Nickel



Plain Tubes


Copper TubesCopper Foil
Our copper foil tape are used widely in the industry in different applications. Our product is available as per the client's specifications and requirements and we make sure that it meets with all the demands of the clients. These are available in various sizes, thicknesses and widths depending on the demand



Plain Tubes


Copper TubesCopper Wire
Copper Wire Rods are drawn down to thick (8 - 1 mm), medium (1 - 0.40 mm), Fine and Superfine (0.40 - 0.05 mm) diameters. Depending on demand, wires can be produced as Tin coated, bare, hard or annealed.



Plain Tubes


Copper TubesCopper Hollow Section
Catering to the vast market for a wide range of Copper Hollow Sections. Customers can avail these products in the shape of rectangular/round/oval/square and other profiles sections as per their needs. All products have anti-rust oil coatings that enhance their life. Moreover, clients can buy all or hollows by paying through varied simple modes.

Attributes:
  • High tensile strength
  • Resistance against abrasion
  • Robust construction



Plain Tubes


Copper TubesPlumbing Copper Pipe
Copper considered as one of the most corrosion free metal , when used for plumbing purpose it is used for supply of hot and cold tap water, and as refrigerant line. There are two types of copper available in the market one the soft copper and the other rigid copper. Soft copper is frequently used in air split air conditioners and the rigid copper is a popular choice for carrying on waters but nowadays copper is becoming costly. Pinhole leaks with pitting initiating on the exterior surface of the pipe. Pinhole usually occurs only when copper pipe is being not plumbed properly or bonded properly.



Plain Tubes


Copper TubesCopper Bus Bar
Leveraging by the vast experience of this domain, we manufacture, trade and supply the premium quality of Copper Bus Bar. Known for its electrical stability and compact design, the offered copper bus bar is precisely designed by using latest technology. For meeting the precise needs of our customers, we offer the copper bus bar in various technical specifications.

Features:
  • Easy to install
  • Optimum functionality and electrical stability
  • Compact design and rugged construction



Plain Tubes
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