What is TP1/C12000 copper?
ASTM B88 UNS C12000 Copper Tube is manufactured from phosphorus-deoxidized copper, offering excellent corrosion resistance, good mechanical strength, and outstanding weldability. UNS C12000 copper is widely used in plumbing, HVAC, refrigeration, and industrial piping systems where reliable performance, pressure integrity, and ease of fabrication are required.
C12000 Chemical Composition
|
Element |
Cu |
P |
Pb |
Fe |
Zn |
Others |
|
Weight % |
≥ 99.9 |
0.004–0.012 |
≤ 0.005 |
≤ 0.005 |
≤ 0.005 |
≤ 0.1 |
CW023A Rectangular Tube Thermal Properties
| Treatment | Maximum* | Minimum* |
|---|---|---|
| * Temperature is measured in Fahrenheit. | ||
| Hot Working Temperature | 1600 | 1400 |
| Annealing | 1200 | 700 |
Copper C12000 Pipes Fabrication Properties
| Technique | Suitability |
|---|---|
| Brazing | Excellent |
| Soldering | Excellent |
| Oxyacetylene Welding | Fair |
| Coated Metal Arc Welding | Not Recommended |
| Gas Shielded Arc Welding | Excellent |
| Seam Weld | Not Recommended |
| Spot Weld | Not Recommended |
| Butt Weld | Good |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 65 |
| Capacity for Being Cold Worked | Excellent |
| Machinability Rating | 20 |
Mechanical Properties Of CuDLP C12000 Square Tube
| 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 |
Copper UNS C12000 Seamless Tube Size Chart
| Wall Thickness | Outside Diameter | Nominal Weight (kgs) | ||
|---|---|---|---|---|
| mm | mm | inch | 15.24 Meters | 15 Meters |
| 0.8 | 6.35 | 1/4 | 1.89 | 1.86 |
| 0.8 | 4.76 | 3/16 | 1.35 | 1.33 |
| 1.0 | 6.35 | 1/4 | 2.28 | 2.25 |
| 1.0 | 7.94 | 5/16 | 2.96 | 2.91 |
| 0.8 | 7.94 | 5/16 | 2.44 | 2.40 |
| 1.0 | 22.22 | 7/8 | 9.06 | 8,91 |
| 1.0 | 9.52 | 3/8 | 3.64 | 3.58 |
| 0.8 | 9.52 | 3/8 | 2.98 | 2.93 |
| 0.8 | 12.7 | 1/2 | 4.06 | 4.00 |
| 1.0 | 15.88 | 5/8 | 6.35 | 6.25 |
| 1.0 | 12.7 | 1/2 | 4.99 | 4.91 |
| 1.0 | 19.05 | 3/4 | 7.70 | 7.58 |
DLP Pipe Application
Refrigerators
Radiators
Electro-heat-up Pipes
Coolers
Heat Exchangers
Air Conditioner
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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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