What is TP1/C12000 copper?
GNEE is a manufacturer of C12200 copper sheets. We supply C12200 copper sheets, gaskets, foils, UNS C12200 composite sheets, rectangular sheets, and embossed sheets to customers worldwide. We utilize advanced technology to produce sheets ranging from 0.1 mm to 100 mm in thickness and up to 3000 mm in length, and can also customize sizes to customer requirements. Our UNS C12200 copper sheets offer excellent corrosion resistance, weldability, and thermal conductivity, bringing numerous benefits to various industries.
We also stock a wide range of high-quality sheets to meet industrial needs. We supply various specifications of standard C12200 copper sheets, including coils, ETP sheets, UNS C12200 foils, hot-rolled sheets, and cold-rolled sheets, ensuring product precision and durability. We strictly adhere to international standards such as ASTM B152 and EN 1652, committed to providing products of superior quality. Our sheets offer a variety of coating options, including combinations of tin coating and epoxy coating, as well as anti-corrosion oil coatings, to enhance their performance in electrical, marine, and industrial applications.
COPPER C12000 Plate / Sheet Specifications
Standard :
ASTM B370 (Roofing applications)
ASTM B152 (General sheet and plate use)
EN 1652 (European copper sheet standard)
Testing of COPPER C12000 Plate / Sheet
Chemical Composition Analysis
Tensile Strength Test
Hardness Test (Rockwell & Brinell)
COPPER C12000 Plate / Sheet Features
High thermal & electrical conductivity
Excellent corrosion resistance
Good weldability & formability
Sizes (Diameter) Lengths
Diameter: Custom sizes available as per requirements
Length: Standard lengths range from 1000mm to 6000mm, with custom lengths available on request
COPPER C12000 Plate / Sheet Chemical Composition
| Standard | Copper NO. | Chemical Composition | Mechanical Properties | ||||
| CU% | P% | Temper | Tensile strength (Mpa) | Elongation (%) | Average Grain Size (mm) | ||
| ASTM B152 |
C12200 | >99.9 | 0.015 to 0.040 | >60 | >205 | >40 | >0.040 |
| >50 | >245 | ||||||




COPPER C12000 Plate / Sheet Mechanical Properties
| Temper | Yield Strength Minimum Rp0.2 | Elongation Minimum A50mm | Tensile Strength Rm |
Bending 90° gw bw rel. Bending Radius R/T |
Hardness HV * |
|
| MPa % | MPa | Strip Thickness ≤ 0.50mm | HV | |||
| R290 | 250 | 4 | 290 .. 360 | 0 | 0 | 90 .. 110 |
| R240 | 180 | 8 | 240 .. 300 | 0 | 0 | 65 .. 95 |
| R220 | ≤ 140 * | 33 | 220 .. 260 | 0 | 0 | 40 .. 65 |
| R360 | 320 | 2 | ≥ 360 | 0 | 0.5 | ≥ 110 |
Applications of COPPER C12000 Plate / Sheet

FAQ
| What's the difference between C11000 (ETP) and C12000 (DHP)? C11000 (ETP – Electrolytic Tough Pitch) contains oxygen and may suffer from hydrogen embrittlement in reducing atmospheres. C12000 is deoxidized with phosphorus, making it suitable for brazing, welding, and high-temperature applications without embrittlement risk. |
| Can C12000 copper be welded or brazed easily? Yes, C12000 is highly weldable and brazeable due to its deoxidized nature. Autogenous welding and brazing can be performed without flux when joining copper-to-copper. |
| What are the main applications of C12000 copper tubes? It's widely used in HVAC/R (heat exchangers, condensers), plumbing, medical gas systems, industrial fluid lines, and electrical busbars. |
| Does C12000 copper corrode in water systems? It has excellent corrosion resistance in clean, non-aggressive water. However, like all copper, it can be affected by acidic water, high-velocity flow, or certain chemicals (e.g., ammonia, sulfides). |
| Is C12000 suitable for underground water lines? Yes, especially when using Type K thick-walled tubing for burial. Its corrosion resistance and strength make it a durable choice for direct burial when soil conditions are non-aggressive. |
| What standards cover C12000 copper tubes? ASTM B75 (seamless), B280 (ACR tubes), EN 12735-1, and JIS H3300 are key standards for tubing. ASTM B152 covers sheet/plate forms. |
| What tempers are available for C12000 tubing? Common tempers are annealed (soft, O60), drawn (hard, H58), and light-drawn (H55). Annealed offers maximum formability; drawn provides higher strength. |
| Can C12000 be used in oxygen service or medical gas systems? Yes, after proper cleaning and degreasing, C12000 tubes are widely used in medical gas (oxygen, nitrous oxide) and high-purity gas systems due to their cleanliness and non-permeability. |
| How does phosphorus affect conductivity in C12000? The low residual phosphorus slightly reduces electrical conductivity (~85% IACS) compared to pure C11000 (~101% IACS), but it remains excellent for most thermal and electrical applications. |
Inquire about C12000 Pricing & Samples
Our product range
| Product Category | Key Product Forms | Common Standards (Examples) | Typical Applications / Features |
|---|---|---|---|
| Copper Rods & Bars | Round Rods, Square Bars, Hexagonal Bars | ASTM B187, C11000, C10200; EN 12163-66; JIS H3250 | Electrical conductors, machined parts, connectors, hardware. Available in various tempers (soft, hard). |
| Copper Tubes & Pipes | Seamless Tubes, Straight Lengths, Coils (for flexible tubes) | ASTM B75, B280, B88; EN 12735; JIS H3300 | Plumbing, HVAC/R, heat exchangers, medical gas lines, hydraulic systems. |
| Copper Plates & Sheets | Plates (>6mm thickness), Sheets (<6mm thickness) | ASTM B152, C11000; EN 1652; JIS H3100 | Architectural cladding, industrial fabrication, grounding plates, chemical processing. |
| Copper Strips & Foils | Strips, Rolls, Precision Foils | ASTM B272, C11000; EN 1652; JIS H3100 | Electrical contacts, transformers, shielding, gaskets, decorative inlays. |
| Copper Wires | Bare Copper Wire, Stranded Wire, Busbars | ASTM B1, B3, B187; EN 13601; JIS H3260 | Windings, cables, busbars, fasteners, welding electrodes. |
Our factory
We are a specialized manufacturer of premium copper products, including rods, tubes, plates, bars, wires, and strips. Our factory strictly adheres to international standards such as ASTM, EN, JIS, and GB, ensuring material compliance for global markets. Equipped with modern production lines-including continuous casting for rods, cold drawing machines for tubes, and precision rolling mills for strips-we maintain tight control over dimensions and tolerances. Every batch undergoes rigorous in-house testing using spectrometers for chemical composition, tensile testers for mechanical properties, and eddy current testers for defect detection. Our dedicated quality lab guarantees traceable, reliable products for electrical, automotive, and engineering applications worldwide.

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