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Customised Copper Tubes for HVAC, Electrical & Industrial Applications
Product Overview
R V Metal Corporation manufactures Customised Copper Tubes engineered specifically for HVAC, Electrical, Refrigeration, and a wide range of Industrial applications. These tubes are produced with precise tolerances, custom dimensions, and special tempers based on client requirements, ensuring superior performance in demanding environments. Available in straight lengths, coils, finned variations, capillary formats, and project-specific profiles, our customised tubes deliver exceptional thermal conductivity, corrosion resistance, and long-term reliability. Whether for high-pressure refrigeration cycles, electrical bus systems, heat exchangers, hydraulic circuits, or specialised OEM components, each tube is manufactured using premium-grade Copper DHP/ETP and advanced forming technology to meet global standards and ensure seamless integration into critical systems.
Technical Specifications
| Parameter | Specification Range | Customisation Options |
|---|---|---|
| Material Grade | Copper DHP (C12200), Copper ETP (C11000), DLP (C12000) | Custom alloy selection based on application |
| Outer Diameter (OD) | 3 mm to 150 mm | Any OD as per client drawing |
| Wall Thickness (WT) | 0.20 mm to 20 mm | Precision tolerances: ±0.02 mm achievable |
| Length | Coils: 15m to 100m Hard Tubes: 1m to 6m |
Cut-to-length, multi-length, and random lengths |
| Temper | Soft (O60), Half Hard (H55), Hard (H80), Extra Hard (H90) | Selective tempering for bending or pressure requirements |
| Form | Straight Tubes, Pancake Coils, LWC, Finned Tubes, Capillary Tubes | Custom profiles, grooved ID/OD, embossed, expanded |
| Manufacturing Standards | ASTM B68 / B75 / B88 / B280 / EN 1057 / JIS H3300 | Project-specific compliance available |
| Surface Finish | Mill Finish, Bright Annealed, Degreased, Passivated | Custom colour coding, PVC coating, embossed branding |
| Testing | Eddy Current, Tensile, Hardness, Flattening, Flaring | Hydrostatic test, burst test, pressure cycle test |
| Applications | HVAC, Refrigeration, Electrical Busbars, Heat Exchangers, Automobiles, OEM Components | Fully engineered tubes for high-pressure or high-temperature systems |
Chemical Composition
| Grade | UNS No. | Copper (Cu) | Phosphorus (P) | Oxygen (O) | Other Impurities |
|---|---|---|---|---|---|
| Copper DHP | C12200 | 99.90% min | 0.015–0.040% | < 0.001% | 0.06% max |
| Copper DLP | C12000 | 99.90% min | 0.004–0.012% | < 0.0015% | 0.06% max |
| Copper ETP | C11000 | 99.90% min | — | 0.02–0.04% | 0.04% max |
| Custom Alloy (As per customer) | — | 95% – 99.9% (Application Based) | As required | As required | Zn, Sn, Ni, Ag, Fe traces depending on specification |
UNS Codes & Grades
| Copper Grade | UNS Number | Equivalent Standards | Typical Applications |
|---|---|---|---|
| Copper DHP (Deoxidized High Phosphorus) | C12200 | ASTM B68 / B75 / EN 1057 | HVAC, Heating, Plumbing, MGPS, General Engineering |
| Copper DLP (Deoxidized Low Phosphorus) | C12000 | ASTM B68 / B75 | Electrical Components, Capillary Tubing, Precision Tubes |
| Copper ETP (Electrolytic Tough Pitch) | C11000 | ASTM B152 / B75 | Busbars, Earthing, Electrical Conductors, Switchgear |
| Cu-Ni Alloy (Customer-Specified) | C70600 / C71500 | ASTM B466 / B111 | Marine Cooling, Heat Exchangers, Desalination |
| Brass Tubes (Custom) | C26000 / C27200 | ASTM B135 / B587 | Automotive, Radiators, Instrumentation |
| Custom Copper Alloy (Special Order) | As Specified | ASTM / EN / JIS as required | OEM Projects, Industrial Machinery, Prototype Development |
Mechanical, Physical & Fabrication Properties
| Property Category | Parameter | Copper DHP (C12200) | Copper DLP (C12000) | Copper ETP (C11000) |
|---|---|---|---|---|
| Mechanical Properties | Tensile Strength | 200–260 MPa | 210–270 MPa | 240–300 MPa |
| Yield Strength (0.5% Ext.) | 55–90 MPa | 60–95 MPa | 70–120 MPa | |
| Hardness (HV) | 45–85 HV | 50–90 HV | 55–100 HV | |
| Elongation (% in 50 mm) | 35% (Annealed) | 30–35% | 30–40% | |
| Fatigue Strength | ~95 MPa | ~100 MPa | ~105 MPa | |
| Physical Properties | Density | 8.94 g/cm³ | 8.94 g/cm³ | 8.94 g/cm³ |
| Electrical Conductivity (% IACS) | 65–75% | 70–80% | 97–101% | |
| Thermal Conductivity | 320 W/m·K | 330 W/m·K | 390 W/m·K | |
| Modulus of Elasticity | 110–130 GPa | 115–130 GPa | 120–130 GPa | |
| Melting Point | 1083°C | 1083°C | 1083°C | |
| Fabrication Properties | Bendability | Excellent (Ideal for HVAC) | Excellent (Capillary forming) | Good (Electrical use) |
| Brazing/Soldering | Excellent | Excellent | Excellent | |
| Formability | High (Annealed) | High | Medium | |
| Weldability | Good | Good | Moderate | |
| Corrosion Resistance | Excellent (DHP is preferred) | Good | Good (avoid in reducing atmospheres) |
Common Names & International Identifiers
| Copper Grade | Common Industry Names | International Identifiers | Typical Usage Sectors |
|---|---|---|---|
| Copper DHP (C12200) |
• Phosphorus-Deoxidized Copper • Cu-DHP • Plumbing Copper Tube • Medical Gas Copper Tube (MGPS) |
UNS: C12200 ISO: Cu-DHP EN: CW024A JIS: C1220 |
HVAC & AC Systems, Refrigeration, Medical Gas, Plumbing, Solar, Heat Exchangers |
| Copper DLP (C12000) |
• Phosphorus-Deoxidized Low Residual Copper • Cu-DLP • Precision Copper Tubes • Capillary Copper |
UNS: C12000 ISO: Cu-DLP EN: CW023A JIS: C1201 |
Capillary Tubes, Instrumentation Lines, Precision Controls, Refrigerant Flow Management |
| Copper ETP (C11000) |
• Electrolytic Tough Pitch Copper • ETP Copper • High Conductivity Copper • Electrical Bus Pipe Material |
UNS: C11000 ASTM: ETP Copper EN: CW004A IEC: Cu-ETP |
Electrical Bus Pipes, Power Distribution, Earthing Systems, Industrial Copper Lines |
| Custom Alloy Copper Tubes |
• Special Temper Copper Tubes • Drawn/Annealed Custom Copper • Application-Specific Copper Tubes |
Based on application: C10100 / C10200 / C10300 / C12200 / C12000 | OEM Requirements, Automotive, Heat Exchangers, Marine, Custom ID/OD Tubing |
Standards & International Equivalents
| Copper Grade | Primary Standards | International Equivalents | Application Areas |
|---|---|---|---|
| Copper DHP (C12200) |
• ASTM B88 – Plumbing Copper Tube • ASTM B280 – ACR/HVAC Copper Tubes • ASTM B819 – Medical Gas Copper Tubes • EN 1057 – Copper Tube for Water & Gas • JIS H3300 – Copper Tubes for Heat Exchangers |
• EN: CW024A (Cu-DHP) • ISO: Cu-DHP • BS EN 13348 – Medical Gas Copper Tube • DIN 1786 – Copper Tubes for Heat Exchangers |
HVAC, Refrigeration, Medical Gas, Plumbing, Heat Exchangers, Solar Systems |
| Copper DLP (C12000) |
• ASTM B75 – Seamless Copper Tube • ASTM B280 – ACR Tubes (select sizes) • EN 12449 – Seamless Round Copper Tubes • JIS H3300 – Precision Copper Tube |
• EN: CW023A (Cu-DLP) • ISO: Cu-DLP • DIN 1785 – Precision Copper Tube |
Capillary Tubes, Instrumentation Lines, Control Systems, Precision Flow Components |
| Copper ETP (C11000) |
• ASTM B152 – Copper Sheet/Strip/Tube • ASTM B75 – Seamless Copper Tube • IEC 60228 – Conductive Copper • EN 13601 – Electrical Conductivity Copper |
• EN: CW004A (Cu-ETP) • ISO: Cu-ETP • JIS H3250 – Conductive Copper |
Electrical Bus Pipes, Power Distribution, Earthing, Switchgear, Transformer Cooling |
| Custom Alloy Copper Tubes |
Depends on customer/OEM specification: • ASTM B68 – Drawn Copper Tube • ASTM B75 – Seamless Copper Tube • ASTM B111 – Copper-Nickel Tubes • EN 12451 – Copper Tubes for Heat Exchangers • EN 12735-1/2 – ACR & HVAC Copper Tubes |
• ASTM / EN / ISO as per grade • UNS Series C10100–C12200 • International OEM Specs (Carrier, Daikin, LG, Voltas, Blue Star) |
HVAC, Thermal Systems, EV Cooling, Automotive, Marine, Industrial Heat Transfer |
Applications
| Application Sector | Typical Uses | Tube Grades Used |
|---|---|---|
| HVAC & Refrigeration Systems |
• ACR lines (suction, liquid, discharge) • VRF/VRV systems • Refrigerant transmission lines • Coil manufacturing, evaporators & condensers • Capillary expansion lines |
C12200 (DHP), C12000 (DLP) |
| Electrical & Power Distribution |
• Copper bus pipes • Earthing & grounding systems • Transformer cooling tubes • Switchgear & panel components • High-conductivity electrical tubing |
C11000 (ETP), C10200 (OFHC), C12200 (DHP) |
| Industrial Heat Transfer Systems |
• Heat exchangers & condensers • Solar thermal collectors • Industrial cooling & oil circulation systems • Boiler & steam generator tubing |
C12200 (DHP), C44300 (Admiralty), C70600 (Cu-Ni) |
| Automotive & Transportation |
• Fuel lines & brake systems • Radiator coils & heat exchangers • EV battery cooling tubes • AC system copper tubing |
C12200, C11000, C70600 |
| Marine & Offshore Systems |
• Seawater heat exchangers • Cooling tubes for marine engines • Anti-corrosion tubing for saline environments |
C70600 (90/10 Cu-Ni), C71500 (70/30 Cu-Ni) |
| Instrumentation & Control Systems |
• Capillary tubes • Precision flow control tubing • Pressure-sensing & metering systems |
C12000 (DLP), C12200 (DHP) |
| Custom OEM / Project-Specific Applications |
• Special temper tubes (O60, H58, H80) • Non-standard OD/ID and wall thicknesses • Bent, coiled, insulated or PVC-coated tubes • Tubes for defence, aerospace and energy sectors |
As per customer specification (C10100–C12200 range) |
Standard Copper Tube Dimensional Chart
| OD (mm) | Wall Thickness (mm) | ID (mm) | Theoretical Weight (kg/meter) | Temper Options |
|---|---|---|---|---|
| 6.35 (1/4") | 0.80 – 1.00 | 4.35 – 4.55 | 0.110 – 0.145 | O60 / H58 / H80 |
| 9.52 (3/8") | 0.80 – 1.00 | 7.52 – 7.72 | 0.175 – 0.215 | O60 / H58 / H80 |
| 12.70 (1/2") | 0.80 – 1.20 | 10.30 – 11.10 | 0.280 – 0.380 | O60 / H80 |
| 15.88 (5/8") | 1.00 – 1.20 | 13.48 – 13.88 | 0.410 – 0.510 | O60 / H80 |
| 19.05 (3/4") | 1.00 – 1.20 | 16.65 – 17.05 | 0.540 – 0.680 | O60 / H80 |
| 22.23 (7/8") | 1.00 – 1.20 | 19.83 – 20.23 | 0.650 – 0.820 | O60 / H80 |
| 28.58 (1-1/8") | 1.00 – 1.20 | 26.18 – 26.58 | 0.880 – 1.10 | O60 / H80 |
| Custom Variant Type | Range Available | Notes |
|---|---|---|
| Non-Standard OD / ID | 4 mm – 100 mm OD | Precision-drawn for OEM tolerances ±0.03 mm |
| Heavy Wall Tubes | 1.5 mm – 5.0 mm | Used in industrial, electrical & high-pressure lines |
| Custom Tempers | O60, H55, H58, H80 | Custom hardness based on bending or forming needs |
| Custom Coil Forms | 5m – 150m coils | Level wound coils, pancake coils, jumbo coils available |
| Special Shapes | Square, Rectangular, Multi-Port, Oval | For automotive heat exchangers & electrical bus tubes |
| Surface Coatings | PVC, PE, Insulation Foam, Color Coding | Custom colors for HVAC installation identification |
| OEM Brand | Standard Tube Sizes Required | Compatible Tube Grades |
|---|---|---|
| DAIKIN VRV | 1/4", 1/2", 5/8", 3/4" | C12200 DHP |
| LG VRF | 1/4", 3/8", 1/2", 3/4" | C12200 DHP |
| MITSUBISHI VRF | 1/4", 1/2", 5/8" | C12200 DHP |
| CARRIER / TOSHIBA | 3/8", 1/2", 7/8" | C12200 / C12000 |
| BLUE STAR / VOLTAS | 1/4", 3/8", 1/2", 5/8" | C12200 |
| AUTOMOTIVE OEMs | 6 mm – 16 mm OD | C11000, C12200 |
| OD (mm) | Wall (mm) | Weight (kg/m) | Applications |
|---|---|---|---|
| 4.76 | 0.80 | 0.075 | Capillary / control lines |
| 6.35 | 0.80 – 1.00 | 0.110 – 0.145 | VRV/VRF liquid line |
| 9.52 | 0.80 – 1.00 | 0.175 – 0.215 | Suction & liquid lines |
| 12.70 | 1.00 – 1.20 | 0.290 – 0.380 | ACR main lines |
| 15.88 | 1.00 – 1.20 | 0.410 – 0.510 | VRF/VRV high-capacity lines |
| 19.05 | 1.00 – 1.20 | 0.540 – 0.680 | Suction lines, industrial coolers |
| 22.23 | 1.20 | 0.820 | Heat exchanger coils |
| 28.58 | 1.20 | 1.10 | Industrial refrigeration |
| Property | Copper DHP (C12200) | Copper DLP (C12000) | Copper ETP (C11000) |
|---|---|---|---|
| Copper Content | 99.90% min (Deoxidized Phosphorus) | 99.90% min (Low Phosphorus) | 99.95% min (Electrolytic Tough Pitch) |
| Phosphorus Content | 0.015 – 0.040% | 0.004 – 0.012% | 0.0005 – 0.004% |
| Electrical Conductivity | 85–90% IACS | 90–95% IACS | 100% IACS (Highest) |
| Thermal Conductivity | Moderate | High | Very High |
| Brazing Performance | Excellent (Preferred for HVAC) | Good | Poor (Hydrogen embrittlement risk) |
| Weldability | Excellent | Good | Weak / Not preferred |
| Corrosion Resistance | Excellent | Good | Very Good |
| Suitable For VRF/VRV | YES (Industry standard) | YES (Limited) | NO (Not allowed by OEMs) |
| Main Applications | HVAC, VRF, Medical Gas, ACR, Plumbing | General Tubes, Lugs, Terminals | Electrical Busbars, Conductors |
| VRF/VRV Capacity (HP / kW) | Liquid Line Size | Suction Line Size | Compatible OD (mm) | Notes |
|---|---|---|---|---|
| 1.0 – 2.0 HP | 1/4" | 3/8" | 6.35 + 9.52 mm | Standard split AC + small VRF indoor units |
| 2.5 – 3.0 HP | 1/4" | 1/2" | 6.35 + 12.70 mm | Most common domestic VRF branch load |
| 3.5 – 4.0 HP | 1/4" | 5/8" | 6.35 + 15.88 mm | High-load indoor units |
| 4.5 – 6.0 HP | 3/8" | 5/8" | 9.52 + 15.88 mm | Used in premium VRF systems |
| 6.5 – 8.0 HP | 3/8" | 3/4" | 9.52 + 19.05 mm | Main suction riser lines |
| 10 – 12 HP | 1/2" | 7/8" | 12.70 + 22.23 mm | Large VRF modules |
| 14 – 18 HP | 1/2" | 1-1/8" | 12.70 + 28.58 mm | Main header pipes for building lines |
| 20 – 24 HP | 1/2" | 1-3/8" | 12.70 + 34.92 mm | Long-distance VRF trunk lines |
| Outdoor Units > 24 HP | Custom | Custom | As per OEM specification | We support custom DHP tubing for OEM projects |
Important Notes (Technician-Grade Accuracy)
These guidelines match what HVAC engineers, OEMs, and consultants require for professional refrigeration and VRF/VRV system installations.
