Tamra Dhatu Udyog Private Limited Burrabazar, Kolkata, West Bengal

  • ULTRACUT-ZINC COATED WIRE

    ULTRACUT-ZINC COATED WIRE

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    ULTRACUT-ZINC COATED WIRE Base Material : CuZn37% / CuZn35% / CuZn 40% Enhance the processing speed enormously Increase processing precision enormously Suitable for processing hard alloy Prevent brass powder sticking Reduce wire breakage Excellent straightness Pre-eminent economic efficiency

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  • Tamra Copper Conductors

    Tamra Copper Conductors

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    Tamra Transformer Conductor is produced in every conceivable ambience (Moisture controlled Dust free) to churn out flawless and better than best Copper & Aluminium conductor; with varieties of Insulation in comprehensive- spread from Kraft Paper to Glass Insulation and from single conductor to bunched to meet up exact requirement. INFRASTRUCTURE: UPCAST – OFC Copper Wire Rod Continous Rotary Extrusions – Strips 16 Layer Paper Covering 32 Layer Paper Covering – MPC Triple / Quadriple Bunching Fibre Glass Insulation INTEGRATION OFC Copper Rod Tamra Oxygen Free Copper Wire Rod with less than 5ppm generates highest purity Copper, embracing Vertical Upward Continuous Cast process. Exclusive usage of LME Grade A copper cathode and rigid process control helps Tamra to deliver a product which is a class apart. Tamra has successfully nurtured a rare capability to produce Silver Bearing Copper. Bare Conductor Rectangular: The continuous radial extrusion Conform process results into clean, deburred, smooth, round edged conductor’s soft conductor. Extrusions of both Copper & Aluminium are processed through superior Conform technologyto deliver best material. Round: A scratch free annealed Copper / Aluminium wire are produced using the best European technology ensures Tamra to produce joint-less conductors of highest quality. Tamra Transformer Conductor With a seamless bare conductor and with efficient insulating production line in a dust free moisture controlled atmosphere helps Tamra to guarantee a product ,which excels global standards. The meticulous insulation line encompasses the gamut of transformer’s conductor like Kraft Paper, Crape Paper, Nomex, Mica, Polyster, Double glass and the variant of various insulation material required by the industry to meet varied applications. Quality Tamra is destined for ultimate success thru Quality Assurance right from Raw Materials to finished product passing through rigid quality checks of various electrical and mechanical parameters. Tamra guarantees the super quality product through the stringent quality measures carried internally through its state-of-the-art lab, a few of which includes : Oxygen analyser | Spectrometer | Profile Projector Digital Conductivity Meter | Hardness Tester Di-electric Meter

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  • Sudronic Wire

    Sudronic Wire

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    TAMRA Can wire is drawn from continuous cast copper wire rod as per ASTM B49 through tandem rod break down line having electrical resistance annealer and suitable for seamless drawn wire in cardboard basket.   SALIENT FEATURES High purity 99.99% min cu. Continuous length ( without joint ) Uniform controlled elongation

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  • single wire

    single wire

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    Single Wire Base Materials: Cu-ETP /OFE Coating: Tin / Nickel / Silver Single wire diameter: ranging from Ø 0.07 mm to 6.00 mm

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  • Self Solderbale enamelled Copper Wire

    Self Solderbale enamelled Copper Wire

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    Normally enamelled copper conductors are used as coil components of various electrical products such as motors / transformers / home appliances / auto electrical components / chokes / AC compressors. Apart from AC compressors all other copper windings undergo secondary insulation coating and curing of the same. The process is called impregnation. The secondary insulation is used to get a firm compact winding, that can withstand vibration and all the copper conductors are held firmly together. The voids in coil are also filled by the secondary insulation. It also prevents direct contact of moisture with the primary (enamel) insulation film. The basic property of secondary insulation (varnish) is to hold the winding together. However for certain applications (where the secondary insulation is not practical) self-bonding enamelled wires can be used. These wires have an outer layer of bondable material which is usually thermoplastic and bonds the wires surfaces with each other once heated to the bonding temperature of the outer layer. Bondable wires, thus, benefits in reduction of cycle time and elimination of process of secondary insulation application / baking / curing cycle etc. APPLICATION Bondable wires can be used in power tools armature coils, electronics, miniature coils, TV yoke coils, continuous-transposed conductors etc. The bondable layer is applied over variety of primary insulation like polyester, polyester-imide, dual coated and solderable polyurethanes of class 130, 155 and 180.   Types Epoxy Resins Polyamide Aromatic Polyamide Specifications IEC 60317-35, Solderable Polyurethane, class 155 with a bonding layer IEC 60317-36, Solderable Polyester-imide, class 180 with a bonding layer IEC 60317-37, Polyester-imide, class 200 with a bonding layer IEC 60317-38, Dual coated, class 200 with a bonding layer  

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  • ROUND & SQUARE BARS

    ROUND & SQUARE BARS

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    Tamra provide a wide range of Round & Square Bars to the OEMs in India and Overseas. Dimension range: 4 mm to 70 mm in diameter, lengths up to 6 m Conditioning: We offer several packaging solutions for round & square bars in order to fulfill all of our customers requirement precisely Alloys: Cu-ETP, Cu-OFE, CuAg TAMRA BARS & PROFILE APPLICATION Tamra Bars and Profiles made of vairous alloys of copper are also used for trunking systems. The combination of high conductivity and durability make Tamra Copper the preferred choice where there are size restrictions and high current demands. Added benefits due to the superior conductivity and reduced energy losses, which lead to a reduced lifecycle cost of the installation.

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  • pv ribbon

    pv ribbon

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    TAMRA is an innovator when it comes to PV ribbon products. We have been supplying the Solar Industry with our copper products, continually identifying emerging PV Ribbon technologies and engineering innovative solutions to increase the electrical output and performance of solar modules.     TAMRA BENEFITS Smaller width to avoid sacrificing cell yield to enable 4-6 busbar cell solutions Softer material To avoid causing stress in the soldering process To enable usage of thinner wafers To reduce electrical resistance Straighter material To get out the full power of the module Usable also in large thin-film applications

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  • PHOSPHORUS COPPER ANODE (DHP Gr)

    PHOSPHORUS COPPER ANODE (DHP Gr)

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    Tamra phosphorous copper anode with high quality plating properties, commences with supreme quality copper cathode melted with precision % of phosphorous under vigilant controlled conditions. Cast continuous rods are produced in inert atmosphere without any scope of copper's contact with air. Stage inspections are assured and monitored strictly during further process. Thus the oxygen free melt remains 0.04-0.06% consistently.   OXYGEN-FREE COPPER ANODE (OF Gr) Tamra oxygen-free copper anodes are manufactured precisely for electroplating. Its fine grain structure with high purity level and clean surface, easily dissolved The high purity level 99.99% min. with cast crystal structure results into free flowing materials. APPLICATIONS Printed Circuit Boards Rotogravure Printing Cylinders ABS Plastic Coinage Copper Bonded Earthrod Electric Connectors Decoratives Monogram Power Distribution Equipments Ammunitions Automotive Wheels

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  • Perforated Cable Trays

    Perforated Cable Trays

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    Length : 2500mm / 3000mm

    Thickness : 1.6mm - 3mm

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  • OXYGEN FREE WIRE ROD

    OXYGEN FREE WIRE ROD

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    Tamra is well known for its high purity oxygen free copper, which is immune against hydrogen embrittlement. It is used in applications where high electrical and thermal conductivity are the essential requirements. It can be joined with all welding and brazing methods and it is suitable for manufacturing processes requiring extreme deformability. Our Oxygen Free Wire Rod is produced with high-quality cathodes with a copper content of more than 99.99%. It is perfectly suited for continuous extrusion applications, renewable energy, magnet wire, satellite and space field, etc. Special attention is given to purity throughout the manufacturing process. The product offers following advantages: A clean metallic surface free of organic carbon Excellent and homogenous product quality Narrow tolerances for rod diameter Resistant to hydrogen embrittlement

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  • ladder type cable trays

    ladder type cable trays

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    Length : 2500mm / 3000mm

    Width : 100mm - 1000mm

    Thickness : 1.5mm - 3mm

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  • HYPERCUT-DIFFUSED COATING WIRE

    HYPERCUT-DIFFUSED COATING WIRE

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    HYPERCUT-DIFFUSED COATING WIRE Base Material : CuZn37% / CuZn 35% / CuZn 40% Enhance the processing speed enormously Prevent brass powder sticking Reduce wire breakage Excellent straightness Pre-eminent economic efficiency Increase processing precision enormously Suitable for processing hard alloy

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  • GI Pipe/Rod and CI Pipe/Plate Eletrodes

    GI Pipe/Rod and CI Pipe/Plate Eletrodes

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    Our Electrodes are robust in combustion, which provides excellent durability and good earthing. We use fabricated pipes which are widely used in earthing applications.

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  • Flat Wire

    Flat Wire

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    Copper being a high electrical and thermal conductive material is used in various applications. TAMRA flat wire solution is provided keeping in mind critical application area which includes FFC, cables, high-frequency cables, fuses, welding wire, connecting wire, connector wire or shielding wire. Manufacturing Range: Base Material: Cu-ETP and Cu-OFE Thickness: 0.05mm – 1.2 mm Width: 0.60 mm - 6.0 mm Coating: Tin/ Silver/ Nickel Further coating solder upon request Salient Features: Tailor made product to match geometrical and mechanical values Close tolerances Absolute burr free Clean and dust free material

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  • Flat Bars

    Flat Bars

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    Tamra provide a wide range of flat copper bars for many applications in the electrical engineering industry. Conditioning: Our flat bars up to 6 m can be delivered in various finished conditions according to our customers requirement. Alloys: Tamra produces wide range of Flat Bars as below

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  • Edm Wire

    Edm Wire

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    Tamra EDM Wire cuts the workpiece metal by voltage electrical discharge, it facilitates 'Spark Machining' that discharge spark between to electrodes : tool and workpiece. Our integrated global technology works around the casting stage, wire drawing and in-line continuous annealing process resulting in TAMRA EDM's trustworthy tensile strength. We have always pursued excellence for prime grade materials, maintaining the balance of stable speed cutting with precision efficiency. At Tamra we produce Uncoated Brass Wires, Zinc Coated Wires and Diffused Wires for varieties of applications. Our focused compositions are : 63/37, 65/35, 80/20 and the most common sizes are 0.15, 0.20, 0.25mm TAMRA ADVANTAGE Manufactured with a high precision of wire diameter tolerance of ±0.00/-0.002mm with smooth surface free from flaws or irregularities. Our EDM Wires have excellent straightness, and are most suitable for automatic wire High quality material, for least impurities achieving a stable high-speed cutting.

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  • EARTHING STRIPS AND FLATS

    EARTHING STRIPS AND FLATS

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    We provide Earthing Strip/Flats in various dimensions and specifications to meet our customer requierments. Our products have good thermal and electrical conductivity. Tamra makes high performing Earthing materials used in eletrical systems. The earthing is to provide an alternative channel to flow fault current, so that the impact will not harm the equipment. We manufacture as per customer's specifications. Our range includes Earthing Strips/Flats, GI Pipe/Rod Electrodes, CI Pipe/Rod Electrodes etc as per IS 3043.  

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  • Copper Strips

    Copper Strips

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    Tamra Copper Strips are used for various elecrical & mechanical applications. Tamra is the most dependable source because of its unmatchable quality. COMMUTATORS Commutators are electrical components for which the advantages of Tamra-oxygen-free copper can be fully exploited. Tamra-Oxygen-free copper is the purest form of the metal and offers unparalleled thermal and electrical conductivity as well as superior weldability. As a conductor, it generates much less internal heat than other copper grades and it suffers a much lower decrease in conductivity at high temperatures. A small amount of silver alloyed in copper increases the softening temperature of pure copper without any major sacrifice in electrical conductivity. Our commutator strips, profiles and wires are also manufactured in the full range of oxygen-free silver bearing copper grades.   EARTHING From Transformer to Towers from IT-Building to Engineering Colleges, from Hotel to Hospitals, earthing is very important for safety of human life, equipment and functioning of an electrical system. Tamra offers strip in OFC grade and DHP grade suitable for various earthing applications. MOTOR WINDING Tamra Copper Strips is a trusted name amongst various pumps and motors manufacturing companies. Tamra Oxygen-free Copper Strips is best choice for edge winding. Tamra is a reliable name among various traction motor winding companies.

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  • Copper Anodes

    Copper Anodes

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    Tamra manufactures high purity copper anodes in different shapes and sizes for electrolytic copper plating. Nuggets and bar anodes are produced by a continuous casting process, while balls are produced by forging. After fabrication and sizing, the anodes are cleaned and washed so they are ready to use when they arrive. Tamra provides two grades of copper to meet the needs of most plating. The oxygen content of oxygen free anodes is controlled to less than 10ppm to provide uniform dissolution in cyanide, pyrophosphate and fluoborate baths. Phosphorised copper anodes containing 0.04-0.06 percent phosphorus are required for acid copper solutions. Nuggets are the most common form of copper anode. They are typically 1” in diameter by one-inch-long, but other sizes are available. Both OF and Phosphorus copper nuggets are available.

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  • CLEARCUT-PLAIN WIRE

    CLEARCUT-PLAIN WIRE

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    CLEARCUT-PLAIN WIRE Base Material : CuZn37% / CuZn35% / CuZn40% Prevent brass powder sticking Reduce wire breakage Excellent straightness Pre-eminent economic efficiency TAMRA COATED EDM WIRES Coated TAMRA EDM wires are decisively faster than the plain wires. The cutting speed combined with high precision can be increased by upto 35% when the gamma-phase wires ULTRACUT or HYPERCUT are used.  

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  • Cable Trays & Accessories

    Cable Trays & Accessories

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    "Tamara Dutta Udyog" is renowned in coppper World . Upon Creating an exclusive coveted place it has ventured into ferrous segments with products like cable Trays [Ladder & Perforated] along with its Accessories & Earthing Materials [Flat/Strips/Electrodes]. The finished product would be customised : Galvanized/power coated/painted. Our USP is our dedicated objectives: HONESTY,INTEGRITY and TIME SPECIFIC. We are one of the fastet growing Companies due to our Director's in depth knowledge & whole hearted involvement.

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  • Bunched & Stranded Conductors

    Bunched & Stranded Conductors

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    TAMRA manufactures a broad range of flexible bunched and strands which are used primarily in specialty single and multiconductor cables also used in special applications like motor brush leads, circuit breaker shunts and flexible bus bar. Strands and cables are typically made of bare or tinned copper wire but strands and cables for special purposes can be manufactured using silver-plated copper & nickel-plated copper. At TAMRA Bunching is done on double twist bunchers suitable for variety of cross sections handling delicate wires as 0.05 mm and capable to deliver mostly any type of construction including complex unilay geometry. Stranding, at TAMRA is done both on planetary and rigid machines to handle flexible (class V) wires and solid / thick wires. Compacted conductors and shaped conductors is TAMRAs specialty. Base Materials: Cu-ETP /OFE Coating: Tin / Nickel / Silver Cross Section: ranging from Ø 0.10 sq mm to 630sq mm BUNCHING / STRANDING GEOMETRY S (LHS) / Z (RHS) Uni lay Concentric Sectoral Conductor Round Compact Conductor

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  • Braided Copper Solutions

    Braided Copper Solutions

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    Tamra flexbile connector are manufactured by braided tapes with bare,tin or silber coated copper diameter of 0.10 /0.20 mm . Standrd flexible are non insualted and can be custom designed .Our braided connector are used wherever conductor are exposed to permanent motion and vibration. Base material : ETP / OFE Plating : Tin / Silver / Nickel Type : Rope braided/ Square Braded and Flat Braded Conductors Length : Custom desgined

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  • Bars & Profiles

    Bars & Profiles

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    Copper product of highest purity Tamra Bars & Profiles production facility is located in India. Manufactured from outstandingly pure Oxygen-Free Copper Wire Rod produced on site, Tamra is equipped with most advanced equipment in India, enabling us to deliver top quality product to the customers around the globe. We take care of developing close partnerships to fully meet our customers requirements. The constant quality of our products, the respect of our lead times and the expertise of our team shows our willingness to develop sustainable partnerships on a daily basis. PROCESS TECHNOLOGY 5000 Tonnes of Tamra Bars & Profiles capacity are installed in India. Tamra started producing bars and profiles using one of the most advanced technologies - the continuous extrusion process. Three state-of-the-art production lines produce excellent and high-quality profiles, strategically placed in Bhiwadi. The production lines have been developed and modified to improve efficiency. Tamra is continually developing the process to push the boundaries and improve product quality. Regardless of their complexity or size, all profiles undergo a thorough risk analysis to ensure that our customers expectations are entirely satisfied. We undertake joint development projects for the electrical engineering industry, ensuring that our customers stay one-step ahead of their competitors. PRODUCT RANGE Profiles Tamra has designed and manufactured number of profiles for renowned switchgears OEMs. Tamra provide profiles from simple to more complex forms according to customer specifications. Cross-sections: from 10 mm2 to 3,000 mm2 (90 g/m to 27 kg/m) Conditioning: Our profiles can be delivered in various finished conditions. Straight lengths up to 6 m Coiled on drums up to 2,000 kg Loose coils up to 200 kg Alloys: Cu-ETP, Cu-OFE, CuAg

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About the Company

  • Primary Business Retailer
  • Secondary Business Type Manufacturer / Exporters / Wholesale Suppliers

Opening Hours

  • SUN : Closed
  • MON : 9:30 AM - 6:30 PM
  • TUE : 9:30 AM - 6:30 PM
  • WED : 9:30 AM - 6:30 PM
  • THU : 9:30 AM - 6:30 PM
  • FRI : 9:30 AM - 6:30 PM
  • SAT : 9:30 AM - 6:30 PM
Making humanity happier with copper solutions.
We, at Tamra take a pride, by putting our best foot forward in contributing to India's transformation in market status. Built on core values of Discipline, Innovation, Dignity, Integrity, Perseverance, TDUPL is a fastest growing companies engaged in manufacturing and trading of diversified non-ferrous metal products. The company is presently manufacturing Oxygen Free Copper Rod, Copper Wire, Bunched Conductor, Tinned Copper Wire, Copper Bussbar, Copper Strips and Insulated Copper Conductors, etc .These copper components are mainly used in switchgears, panel, radiators, refrigerators, electrical appliances, connectors, etc. The Company is driven by unanimous management and employees ensuring incessant creation of economic value for the Company.
Customer satisfaction is ultimate goal for Tamra. It's what sets us apart from the rest. Whether we're dealing with a simple account query or creating an entire customer management strategy, we collaborate with our clients, we share our expertise, we build trust, and create strong customer relationships; adding value through our key brand attributes: knowledge sharing, a people first culture, global strength combined with local flexibility, and operational excellence.
Tamra is India's leading trader of non-ferrous metal with a primary focus on Copper and Zinc. We have expertise and advance technology to cater to the customer's needs. We are an industry of like-minded, goal oriented individuals working together to provide the best service. With all these attributes Tamra is always ahead of the curve.
VISION AND MISSION
We exhibit strong will to win in the market place and in every aspect of our business. We are personally accountable for delivering on our commitments. A company thrives when it pleases its customers .Our faculty of sight is to become the "Natural Choice" for our customers.
Tamra's Undertaking
To enhance the value of the Company by focusing on performance improvement.
To continue innovation through research & development.
To combine aggressive strategic marketing with quality products and services at competitive prices to provide the best product for consumers.
Tamra is committed to deliver quality products to its customers. Backed by strong quality systems, Tamra is ISO 9001:2008/ISO 14001:2004/ISO/TS 16949:2009 certified company.
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Contact Information

Tamra Dhatu Udyog Private Limited

  • Vishal Mohta
  • No. 32, Ezra Street, 2nd Floor, Room No. 205, Burrabazar, Kolkata, West Bengal
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