What is TP1/C12000 copper?
C12000 copper alloy, classified under the Unified Numbering System (UNS) in the United States, is a phosphorus-deoxidized copper containing a specific amount of phosphorus, which imparts excellent oxidation resistance during welding and heating processes. This alloy typically consists of approximately 99.9% copper and 0.004% to 0.012% phosphorus. This unique composition provides it with distinct physical and chemical properties, making it highly useful in numerous industrial applications.
C12000 copper Characteristics:
Good Electrical Conductivity: Although the electrical conductivity of C12000 is slightly lower than that of C11000 electrolytic copper, it still offers excellent conductive performance suitable for most electrical applications.
Excellent Corrosion Resistance: The addition of phosphorus enhances the corrosion resistance of copper, allowing C12000 to perform better in certain corrosive environments.
Good Workability and Weldability: C12000 can be processed using conventional metalworking techniques. During welding, it is less prone to porosity, thereby improving weld quality.
Oxidation Resistance: The phosphorus content provides C12000 with good oxidation resistance during heating processes, especially when working without a protective atmosphere.
C12000 copper Application Areas:
Electrical Industry: Used in the manufacture of wires, cables, electrical connectors, and switches.
Heating, Ventilation, and Air Conditioning (HVAC): Used as piping material in HVAC systems, particularly in applications that require welding.
Construction Industry: Used for architectural decoration, roofing materials, and piping systems.
Industrial Manufacturing: Used as material for heat exchangers, condenser tubes, and other industrial components.
C12000 copper Processing and Maintenance:
Processing: C12000 copper alloy is easy to work with and can be forged, welded, cast, and cold-worked, among other processes.
Maintenance: Despite its good corrosion resistance, regular inspection and proper maintenance are still necessary in extreme or specific corrosive environments to preserve its performance and extend its service life.
Copper C12000 Pipes and Tubes Chemical Composition
| Grade | Cu | Ph |
| C12000 | Including Ag | 0.004 - 0.012 |
Mechanical Property Of Copper C12000 Pipes & Tubes
| Temper | Temper Code | Tensile Strength | YS-0.5% Ext | Elongation | Rockwell B scale | Rockwell F scale | Rockwell 30T scale | Shear Strength | Fatigue Strength** | Section Size | Cold Work |
| (ksi) | (ksi) | (%) | (ksi) | (ksi) | (in) | (%) | |||||
| Hard Drawn | H80 | 55 Typ | 50 Typ | 8 Typ | 60 Typ | 95 Typ | 63 Typ | 29 Typ | 0.065 | 40 | |
| Light Drawn, Light Cold Rolled | H55 | 40 Typ | 32 Typ | 25 Typ | 35 Typ | 77 Typ | 45 Typ | 26 Typ | 0.065 | 15 | |
| Nominal Grain Size 0.025 mm | OS025 | 34 Typ | 11 Typ | 45 Typ | 45 Typ | 23 Typ | 0.065 | ||||
| Nominal Grain Size 0.050 mm | OS050 | 32 Typ | 10 Typ | 45 Typ | 40 Typ | 22 Typ | 0.065 |
Copper C12000 Pipes and Tubes Physical Property
| Density (lb / cu. in.) | Electrical Resistivity (microhm-cm (at 68 Deg F)) | Melting Point (Deg F) | Mean Coeff Thermal Expansion | Modulus of Elasticity Tension |
| 0.323 | 10.6 | 1981 | 9.4 | 17000 |
Equivalent Grades Table for C12000 Copper
| Standard System | Equivalent Grade | Name / Description |
|---|---|---|
| UNS (USA) | C12000 | The defining standard. Phosphorus-deoxidized copper. |
| ASTM (USA) | B152, B124 | Specification standards for sheet/strip and rod/bar forms. |
| CDA (USA) | Alloy 120 | Copper Development Association designation. |
| Common Name | DHP Copper | Deoxidized High Phosphorus - the universal industry name. |
| EN (Europe) | Cu-DHP | Modern European designation (EN 1652, 12449). |
| ISO | Cu-DHP | International Standard (ISO 431). |
| JIS (Japan) | C1201 | The direct Japanese equivalent. |
| BS (UK - Old) | C106 | Former British Standard for tubes (BS 2875). |
| China GB | TP1 | The closest functional Chinese equivalent. Phosphorus-deoxidized copper for tubes/pipes. |
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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