{"product_id":"pure-cu-t2-metal-flat-bar-copper-strip-copper-plate-thick-10mm-12mm-99-9-copper","title":"Pure Cu T2 Metal Flat Bar Copper Strip Copper Plate Thick=10mm~12mm 99.9% Copper","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003ePure T2 Copper Flat Bar — Reliable Conductivity for Electrical and Fabrication Work\u003c\/h2\u003e\n\u003cp\u003eWhen your project demands a conductor that won't let you down, sourcing the right copper stock is half the battle. Makers, electricians, and workshop fabricators who need consistent purity and precise dimensions will find these pure T2 copper flat bars a dependable choice for both prototyping and production runs.\u003c\/p\u003e\n\u003cp\u003eEach bar is made from 99.9% pure T2 electrolytic copper, offering excellent electrical and thermal conductivity. Available in thicknesses of 10mm and 12mm, widths ranging from 20mm to 100mm (approximately 0.79 in to 3.94 in), and a standard cut length of 200mm (approximately 7.87 in). The flat, mill-finished surface is ready for cutting, bending, or machining.\u003c\/p\u003e\n\u003cp\u003eTypical applications include custom copper busbar fabrication for electrical panels, grounding straps and earthing connections in DIY electronics, heat spreader blanks for thermal management builds, and decorative metalwork or jewelry-making projects requiring high-purity copper flat bar stock.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚡\u003c\/span\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Suitable for electrical busbars, grounding systems, RF shielding, thermal interfaces, and general copper fabrication. Compatible with standard metalworking tools including band saws, milling machines, and drill presses.\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Copper Flat Bar Strips\u003c\/h2\u003e\n\u003cul class=\"hdiy-list\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔬\u003c\/span\u003e\u003cstrong\u003e99.9% Pure T2 Electrolytic Copper\u003c\/strong\u003e — Consistent purity grade ensures reliable electrical conductivity (IACS ≥99%) and predictable machining behavior across every piece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cstrong\u003ePrecise Flat Bar Dimensions\u003c\/strong\u003e — Thickness options of 10mm and 12mm; widths from 20mm to 100mm; standard 200mm length. Tight dimensional tolerances support accurate fitment in panel and busbar assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\u003cstrong\u003eExcellent Thermal Conductivity\u003c\/strong\u003e — T2 copper's thermal conductivity (typically ~385 W\/m·K) makes these bars effective heat spreaders in power electronics and DIY cooling solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\u003cstrong\u003eMachinable and Formable\u003c\/strong\u003e — Soft-annealed copper stock cuts cleanly with standard tools, bends without cracking, and accepts drilling, tapping, and milling for custom shapes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌿\u003c\/span\u003e\u003cstrong\u003eNatural Corrosion Resistance\u003c\/strong\u003e — Copper forms a stable patina over time that slows further oxidation, making these bars suitable for both indoor electrical work and exposed decorative applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cstrong\u003eMultiple Width Options in One Listing\u003c\/strong\u003e — Choose from seven width variants (20mm to 100mm) and two thickness options to match your exact project spec without ordering custom stock.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Copper Flat Bar\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eT2 Electrolytic Copper (Cu ≥99.9%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e10mm \/ 12mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e20mm \/ 30mm \/ 40mm \/ 50mm \/ 60mm \/ 80mm \/ 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e200mm (~7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eMill finish (bright, uncoated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Conductivity\u003c\/th\u003e\n\u003ctd\u003e≥99% IACS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThermal Conductivity\u003c\/th\u003e\n\u003ctd\u003eTypically ~385 W\/m·K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003eSoft \/ annealed (typically 40–65 HV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemper\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight (per piece)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right width and thickness for my busbar project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor low-current applications (under 100A), a 10mm × 20mm or 10mm × 30mm bar is typically sufficient. For higher-current busbars (100A–300A+), wider bars such as 10mm × 80mm or 12mm × 100mm provide the cross-sectional area needed to minimize resistive heating. Always calculate the required cross-section based on your target current density (typically 1–3 A\/mm² for copper busbars).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs 99.9% T2 copper strong enough for structural brackets or clamps?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eT2 copper in the soft\/annealed condition has a tensile strength of approximately 200–250 MPa, which is adequate for light-duty brackets, clamps, and grounding lugs. For applications requiring higher mechanical strength, consider work-hardening the copper after forming, or use a thicker cross-section. It is not recommended as a primary structural load-bearing member.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill these copper bars corrode or tarnish over time?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eCopper naturally oxidizes to form a brownish-red patina, which then slowly develops into a green verdigris in humid or outdoor environments. This patina is a stable oxide layer that actually slows further corrosion. For electrical connections, clean contact surfaces with fine abrasive or flux before joining to ensure low-resistance contact. For decorative use, a clear lacquer coat can preserve the bright finish.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these bars for RF shielding or EMI enclosures?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. High-purity copper is one of the most effective materials for RF shielding due to its high electrical conductivity. These flat bars can be cut and formed into shielding panels, Faraday cage frames, or gasket stock. For best shielding performance, ensure all seams and joints are soldered or mechanically bonded to avoid gaps.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat tools do I need to cut and drill these copper flat bars?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eCopper cuts well with a standard hacksaw, band saw, or angle grinder with a metal-cutting disc. For drilling, use sharp HSS or cobalt drill bits at moderate speed with cutting oil to prevent work-hardening and bit wear. Milling and tapping are also straightforward with standard tooling. Avoid high-speed dry cutting, which can cause the copper to smear rather than cut cleanly.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these bars suitable for jewelry making or decorative metalwork?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAbsolutely. T2 copper's softness and malleability make it a popular choice for hand-forged jewelry, decorative inlays, and art metalwork. The 10mm and 12mm thickness options are well-suited for bold cuff bracelets, sculptural elements, or architectural accent pieces. The mill-finished surface can be polished, patinated, or textured to achieve a wide range of decorative effects.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I select the right variant for my order?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eUse the variant selectors above to choose your Bar Thickness (10mm or 12mm), Width (20mm to 100mm), and Bar Length (200mm standard). If you need a custom length or quantity, please use the contact form to inquire before ordering. Each variant is sold as a single piece unless otherwise noted.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e\n🛒 Select your Bar Thickness, Width, and Bar Length above, then add to cart.\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right width and thickness for my busbar project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For low-current applications (under 100A), a 10mm × 20mm or 10mm × 30mm bar is typically sufficient. For higher-current busbars (100A–300A+), wider bars such as 10mm × 80mm or 12mm × 100mm provide the cross-sectional area needed to minimize resistive heating. Always calculate the required cross-section based on your target current density (typically 1–3 A\/mm² for copper busbars).\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is 99.9% T2 copper strong enough for structural brackets or clamps?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"T2 copper in the soft\/annealed condition has a tensile strength of approximately 200–250 MPa, which is adequate for light-duty brackets, clamps, and grounding lugs. For applications requiring higher mechanical strength, consider work-hardening the copper after forming, or use a thicker cross-section.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will these copper bars corrode or tarnish over time?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Copper naturally oxidizes to form a brownish-red patina, which then slowly develops into a green verdigris in humid or outdoor environments. This patina is a stable oxide layer that slows further corrosion. For electrical connections, clean contact surfaces before joining to ensure low-resistance contact.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use these bars for RF shielding or EMI enclosures?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. High-purity copper is one of the most effective materials for RF shielding due to its high electrical conductivity. These flat bars can be cut and formed into shielding panels, Faraday cage frames, or gasket stock.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tools do I need to cut and drill these copper flat bars?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Copper cuts well with a standard hacksaw, band saw, or angle grinder with a metal-cutting disc. For drilling, use sharp HSS or cobalt drill bits at moderate speed with cutting oil to prevent work-hardening and bit wear.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these bars suitable for jewelry making or decorative metalwork?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"T2 copper's softness and malleability make it a popular choice for hand-forged jewelry, decorative inlays, and art metalwork. The 10mm and 12mm thickness options are well-suited for bold cuff bracelets, sculptural elements, or architectural accent pieces.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I select the right variant for my order?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use the variant selectors above to choose your Bar Thickness (10mm or 12mm), Width (20mm to 100mm), and Bar Length (200mm standard). 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