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Khush Sheets and Plates is a top-notch manufacturer and exporter of premium Copper Circles with its facility located in Kolkata, India. Focused on providing precision engineering products and customer satisfaction, we offer copper circles that are of international standard with respect to conductivity, durability, and finish. Our copper products are highly regarded for their high quality, precise dimensions, and resistance to corrosion. Serving a variety of industrial segments, Khush Sheets and Plates offers customized copper solutions appropriate for electrical, thermal, and ornamental uses. We maintain timely delivery, competitive pricing, and unparalleled service, which are reasons enough to make us the preferred choice in India’s non-ferrous metal market.
Copper Circles are manufactured mainly of Electrolytic Tough Pitch (ETP) Copper, with at least 99.9% copper purity. Such high purity guarantees good electrical and thermal conductivity. Copper circles have tensile strength of 210–250 MPa, yield strength of 70–100 MPa, and elongation of up to 30%. They are very ductile, resistant to corrosion, and can be hot or cold worked. The product is non-magnetic and provides superior solderability and brazing characteristics, which makes it suitable for electrical, thermal, and architectural uses.
| Specifications | ASTM B171/ ASME SB171 |
| Standards | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Rings Diameter | 3″ OD up to 48″ OD Up to 900 lbs max |
| Circle Diameter | 3″ DIA up to 38″ DIA 1500 lbs max |
| Cutting | Plazma & Machined Cut |
| Form | Cold Rolled Circle, Small Flat Circle, Industrial Circle, Perforated Circle, Forged Steel Circles, Hot Rolled Circle, Fey Laminar Rings, Proof Machined Rings, Cold Rolled Rings, Hot Rolled Rings, McInnes Rolled Rings, Die-Formed Rings, Forging Rings, CNC Machined Rings. |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Size | 18 G. | 19 G. | 20 G. | 22 G. | 24 G. | 26 G. |
| .4.5 | .0-107 | 0-085 | 0-080 | 0-062 | 0.049 | 0-040 |
| 5 | 0-120 | 0-095 | 0-090 | 0-070 | 0-055 | 0-045 |
| 5.5 | 0-146 | 0-119 | 0-109 | 0-085 | 0-066 | 0-054 |
| 6 | 0-172 | 0-136 | 0-130 | 0-100 | 0-079 | 0-064 |
| 6.5 | 0-200 | 0-153 | 0-150 | 0-128 | 0-093 | 0-074 |
| 7 | 0-235 | 0-190 | 0-176 | 0-136 | 0-107 | 0-088 |
| 7.5 | 0.270 | 0.212 | 0.201 | 0-157 | 0-123 | 0-100 |
| 8 | 0-307 | 0-240 | 0-230 | 0-180 | 0-140 | 0-115 |
| 8.5 | 0-347 | 0-270 | 0-262 | 0-202 | 0-156 | 0-130 |
| 9 | 0-388 | 0-330 | 0-301 | 0-230 | 0-178 | 0-145 |
| 9.5 | 0-472 | 0-342 | 0-324 | 0-252 | 0-198 | 0-162 |
| 10 | 0-480 | 0-380 | 0-360 | 0-280 | 0-220 | 0-180 |
| 11 | 0-580 | 0-450 | 0-435 | 0-338 | 0-266 | 0-218 |
| 12 | 0-690 | 0-540 | 0-518 | 0-403 | 0-318 | 0-253 |
| 13 | 0-811 | 0-640 | 0-508 | 0-608 | 0-371 | 0-304 |
| 14 | 0-940 | 0-750 | 0-708 | 0-558 | 0-430 | 0-352 |
| 15 | 1-080 | 0-860 | 0-808 | 0-650 | 0-495 | 0-405 |
| 16 | 1-228 | 0-960 | 0-921 | 0-736 | 0-563 | 0-460 |
| 17 | 1-382 | 1-080 | 0-940 | 0-809 | 0-635 | 0-560 |
| 18 | 1-595 | 1-200 | 1-116 | 0-907 | 0-712 | 0-683 |
| 19 | 1-732 | 1-350 | 1-300 | 1-010 | 0-794 | 0-750 |
| 20 | 1-920 | 1-400 | 1-340 | 1-120 | 0-880 | 0-785 |
| Type | Width | Thickness | Inner Diameter | Surface Finish |
| Copper Alloy Hot Rolled No.1 Circles | 610~2000 mm | 2.5~10.0 mm | 610 +0/-5 mm | 2D, 2B, BA, No.4, No.3,No.5, HL, SB |
| Copper Alloy Cold Rolled Circles | 610~1524 mm | 0.3~3.0 mm | 610 or 508 +0/-5 mm | |
| Pre-painted Copper Circles | 130-1524mm | 0.4-3.0mm | – | 2B, 2D |
Copper Circles have extensive applications in electrical, industrial, and decorative use because of their excellent conductivity and corrosion resistance. In the electrical sector, they are used to produce busbars, terminals, switchgear components, and connectors. They can also be used as heat exchangers, radiators, and cooking utensils because of their high thermal conductivity. Copper circles are applied in architectural uses for roofing, cladding, and interior decoration because of their appearance and longevity. Also, they are best suited for precise parts used in the electrical and telecommunications industries and in making, engraving, and handicraft requiring flexible and resilient material.
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Kolkata, India
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