Copper Pipes, Tubes, Coils & Fittings
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High-Quality ACR Copper Pipes for HVAC & Refrigeration
Product Overview
R V Metal Corporation supplies high-quality Copper DHP grade pipes engineered specifically for ACR (Air Conditioning & Refrigeration) and HVAC applications. Manufactured from phosphorus-deoxidized, oxygen-free copper (UNS C12200), these pipes provide excellent thermal conductivity, corrosion resistance, and superior formability essential for refrigeration circuits, cooling lines, heat exchangers, and gas charging applications. Our ACR copper tubes are produced as per ASTM B280, EN 12735-1, and JIS H3300 standards, ensuring uniform grain structure, tight dimensional tolerance, controlled cleanliness, and high internal surface quality suitable for refrigerants such as R22, R32, R134a, R410a, R407c, and other modern eco-friendly gases. With smooth internal bore, superior brazing performance, high pressure resistance, and dependable leak-proof operation, R V Metal Corporation’s Copper DHP ACR pipes deliver consistent performance for commercial, industrial, and residential HVAC systems.
Technical Specifications
| Technical Specifications – Copper DHP ACR & HVAC Pipes | |
|---|---|
| Material Grade | Copper DHP (Deoxidized High Phosphorus) – UNS C12200 |
| Standard Specifications | ASTM B280, EN 12735-1, JIS H3300, BS EN 1057 (Relevant) |
| Manufacturing Process | Seamless Drawn / Bright Annealed ACR Tubes |
| Temper | Soft Annealed (O60), Hard Drawn (H58) – as per application |
| Outside Diameter (O.D.) Tolerance | ±0.03 mm to ±0.10 mm (as per ASTM B280) |
| Wall Thickness Tolerance | ±10% (ASTM B280 / EN 12735-1 compliant) |
| Surface Cleanliness | Internally nitrogen-charged and capped; degreased, oxide-free |
| Internal Quality | Bright, smooth, impurity-free bore for refrigerant flow |
| Burst Pressure | Meets or exceeds ASTM B280 requirements (varies by size) |
| Hardness | Soft: 45–65 HV • Hard: 75–90 HV |
| Hydrogen Embrittlement | Fully resistant (low-residual phosphorus deoxidized copper) |
| Thermal Conductivity | ~ 350 W/m·K at 20°C |
| Electrical Conductivity | ≥ 85% IACS (as per DHP characteristics) |
| Compatible Refrigerants | R22, R32, R134a, R410a, R407c, R290, R600a, HFO blends |
| Applications | HVAC cooling lines, ACR tubing, condensers, evaporators, heat pumps, VRV/VRF systems |
Chemical Composition
| Chemical Composition – Copper DHP (C12200) for ACR & HVAC Pipes | ||
|---|---|---|
| Element | Symbol | Typical Composition (%) |
| Copper | Cu (incl. Ag) | 99.90% (Minimum) |
| Phosphorus | P | 0.015 – 0.040% |
| Silver | Ag | Included within total copper |
| Other Impurities | — | ≤ 0.03% (Total) |
| Oxygen Content | O | Reduced/Deoxidized (No hydrogen embrittlement) |
UNS Codes & Grades
| UNS Codes & Grades – Copper DHP (C12200) for ACR & HVAC Copper Pipes | ||
|---|---|---|
| UNS Number | Grade / Designation | Standard Reference |
| C12200 | Copper DHP (Deoxidized High Phosphorus) | ASTM B280 / ASTM B88 |
| C12000 | Copper DLP (Deoxidized Low Phosphorus) *Used in some HVAC fittings* |
ASTM B75 / ASTM B152 |
| C11000 | ETP Copper (Electrolytic Tough Pitch) *Used in electrical tubes, not preferred for refrigeration* |
ASTM B280 (Not Recommended) |
| CW024A | Copper DHP – European Equivalent | EN 12735-1 / EN 1057 |
| Cu-DHP | International Trade Name | ISO 1337 / ISO 1635 |
Mechanical, Physical & Fabrication Properties
| Mechanical, Physical & Fabrication Properties – Copper DHP (C12200) for ACR & HVAC Copper Pipes | ||
|---|---|---|
| Property | Unit | Typical Value (C12200 – ACR Grade) |
| Mechanical Properties | ||
| Ultimate Tensile Strength (UTS) | MPa | 205 – 250 MPa (Soft Annealed) |
| Yield Strength (0.5% offset) | MPa | 60 – 90 MPa |
| Elongation | % | 30 – 45% |
| Hardness | HV | 45 – 65 HV (Annealed) |
| Physical Properties | ||
| Density | g/cm³ | 8.92 |
| Melting Point | °C | 1083°C |
| Thermal Conductivity | W/m·K | ~ 340 W/m·K |
| Electrical Conductivity | % IACS | 70 – 85% |
| Coefficient of Thermal Expansion | µm/m·°C | 16.9 |
| Fabrication Properties | ||
| Bendability | — | Excellent – Suitable for manual & spring bending |
| Brazing Compatibility | — | Excellent – Compatible with Silfos 2%, 5%, 15% |
| Formability | — | High – Ideal for ACR coils & expansion operations |
| Weldability | — | Good (primarily brazed, not TIG welded) |
| Corrosion Resistance | — | Excellent against HVAC refrigerants (R22, R32, R410A etc.) |
Common Names & International Identifiers
| Common Names & International Identifiers – Copper DHP (C12200) for ACR & HVAC Copper Pipes | |
|---|---|
| Name / Identifier | Description / Equivalent |
| Copper DHP | Deoxidized High Phosphorus Copper – Refrigeration & ACR grade |
| UNS C12200 | Standard designation for DHP Copper used in ACR/HVAC systems |
| DHP Copper Tube | Commercial term for refrigeration-grade seamless copper pipe |
| Phosphorus-Deoxidized Copper | Indicates oxygen-free copper with controlled phosphorus content |
| ACR Copper Tube | Industry name for nitrogen-charged copper tube per ASTM B280 |
| Refrigeration Copper Tube | Used for HVAC, cooling coils, condensers & heat pumps |
| EN CW024A | European designation for Copper DHP compliant with EN 12735-1 |
| ISO Cu-DHP | ISO standard name under ISO 1337 / ISO 1635 |
| JIS C1220T | Japanese copper designation for DHP tubing |
| BS PB102 | British standard alloy close to Cu-DHP compositions |
| ASTM B280 Copper Tube | U.S. standard for ACR nitrogen-charged copper pipes |
Standards & International Equivalents
| Standards & International Equivalents – Copper DHP (C12200) ACR & HVAC Pipes | |
|---|---|
| Standard | Description / Equivalent Specification |
| ASTM B280 | Standard Specification for Seamless Copper Tube for Air-Conditioning & Refrigeration (ACR) |
| ASTM B68 / ASTM B75 | General seamless copper tube standards applicable to DHP copper |
| ASTM B819 | Copper tube with internal cleanliness requirement for HVAC systems |
| UNS C12200 | Unified Numbering System designation for Copper DHP |
| EN 12735-1 | European Standard for Copper Tubes for Refrigeration & HVAC – Seamless Round Tubes |
| EN CW024A | European material designation equivalent to Copper DHP |
| ISO 1337 / ISO Cu-DHP | International ISO designation for Deoxidized High-Phosphorus Copper |
| BS EN 1057 | British Standard for copper tubes used in building services & HVAC |
| BS 2871 Part 2 | Older British standard for copper tubes (superseded but still referenced in HVAC industries) |
| JIS H3300 C1220T | Japanese standard for DHP copper tubes used in refrigeration & air-conditioning |
| DIN 1786 | German standard for copper tubes used in HVAC & refrigeration |
| GOST 617-2006 | Russian standard for copper tubes comparable to DHP grade |
Applications
| Applications of Copper Pipes for ACR & HVAC – Copper DHP (C12200) | |
|---|---|
| Application Segment | Usage Description |
| Air-Conditioning Systems (ACR) | Used for refrigerant gas and liquid lines in split ACs, VRF/VRV systems, and commercial HVAC units. |
| Refrigeration Systems | Ideal for freezer lines, chiller systems, cold storage plants, ice-making units and industrial refrigeration loops. |
| Heat Pumps | Used for heat exchangers, evaporator and condenser coil connections due to high thermal conductivity. |
| VRV / VRF Piping Networks | Primary medium for long-run refrigerant distribution pipelines in high-rise commercial projects. |
| Chiller Plants | Used for interconnecting refrigerant lines and precision cooling systems. |
| Packaged AC Units | Standard material for refrigerant inlet/outlet lines and coil connections. |
| Commercial HVAC Installations | Used extensively in malls, hospitals, IT parks, data centers and industrial HVAC networks. |
| Automotive Air Conditioning | For refrigerant tube lines in cars, buses, trucks and heavy vehicles. |
| Dehumidifiers & Precision Cooling | Ensures leak-proof and corrosion-resistant refrigerant flow in sensitive cooling systems. |
| Heat Exchangers & Coils | Used in coil fabrication, condenser tubes, and evaporator tubes due to excellent formability. |
Standard Copper Tube Dimensional Chart
| VRV / VRF Air-Conditioning Copper Tubing – Size & Weight Chart (Copper DHP – C12200) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size (mm) | Size (Inches) | OD Tolerance | Thickness (mm) | Thickness Tolerance | Temper | Length | Weight (kg) | Max Working Pressure (MPa) | Bursting Pressure (MPa) |
| 6.4 | 1/4" | ±0.08 mm | 0.80 | ±0.10 mm | O - Coil | 50 ft | 1.875 | 13.80 | 68.3 |
| 9.5 | 3/8" | ±0.08 mm | 0.80 | ±0.10 mm | O - Coil | 50 ft | 2.975 | 8.40 | 44.9 |
| 12.7 | 1/2" | ±0.08 mm | 0.80 | ±0.10 mm | O - Coil | 50 ft | 4.500 | 5.90 | 29.5 |
| 15.9 | 5/8" | ±0.09 mm | 0.80 | ±0.15 mm | O - Coil | 50 ft | 6.300 | 5.00 | 24.9 |
| 19.1 | 3/4" | ±0.09 mm | 0.80 | ±0.15 mm | 1/2 Hard | 10 ft | 1.240 | 12.5 | 22.9 |
| 22.2 | 7/8" | ±0.09 mm | 0.80 | ±0.15 mm | 1/2 Hard | 10 ft | 1.460 | 10.0 | 19.6 |
| 25.4 | 1" | ±0.12 mm | 1.00 | ±0.15 mm | 1/2 Hard | 10 ft | 2.010 | 12.5 | 18.6 |
| 28.6 | 1 1/8" | ±0.12 mm | 1.00 | ±0.15 mm | 1/2 Hard | 10 ft | 2.330 | 10.3 | 18.4 |
| 31.8 | 1 1/4" | ±0.12 mm | 1.10 | ±0.15 mm | 1/2 Hard | 10 ft | 2.880 | 10.2 | 18.6 |
| 34.9 | 1 3/8" | ±0.12 mm | 1.21 | ±0.15 mm | 1/2 Hard | 10 ft | 3.480 | 9.8 | 18.6 |
| 38.1 | 1 1/2" | ±0.12 mm | 1.21 | ±0.15 mm | 1/2 Hard | 10 ft | 4.020 | 9.3 | 18.6 |
| 41.3 | 1 5/8" | ±0.12 mm | 1.43 | ±0.15 mm | 1/2 Hard | 10 ft | 4.480 | 10.2 | 18.6 |
| Standard ACR / HVAC Copper Pipe Size & Weight Chart (Copper DHP – C12200) | |||||
|---|---|---|---|---|---|
| Size (inches) | OD (mm) | Wall Thickness (mm) | Standard Coil Length | Weight per Meter (kg) | Typical Working Pressure (PSI) |
| 1/4" | 6.35 | 0.80 | 15 m / 50 ft | 0.095 | 700 PSI |
| 3/8" | 9.52 | 0.80 | 15 m / 50 ft | 0.145 | 650 PSI |
| 1/2" | 12.70 | 0.80 | 15 m / 50 ft | 0.215 | 600 PSI |
| 5/8" | 15.88 | 0.80 | 15 m / 50 ft | 0.280 | 550 PSI |
| 3/4" | 19.05 | 0.91 | 6 m / 20 ft | 0.420 | 450 PSI |
| 7/8" | 22.23 | 1.00 | 6 m / 20 ft | 0.550 | 420 PSI |
| 1" | 25.40 | 1.00 | 6 m / 20 ft | 0.670 | 400 PSI |
| 1 1/8" | 28.60 | 1.22 | 6 m / 20 ft | 0.850 | 380 PSI |
| 1 1/4" | 31.75 | 1.22 | 6 m / 20 ft | 0.950 | 350 PSI |
| Coil vs Hard-Drawn Copper Pipe Comparison (Copper DHP – C12200) | |||||
|---|---|---|---|---|---|
| Parameter | Coil Form (Soft Annealed) | Hard-Drawn Tube | |||
| Manufacturing Temper | O Temper (Soft / Annealed) | 1/2 Hard or Hard-Drawn Temper | |||
| Typical Coil / Tube Length | 15 m / 50 ft (Standard) | 3 m / 10 ft & 6 m / 20 ft (Straight Length) | |||
| Bending Ability | Excellent — can be hand-bent on site | Limited — requires bending tools or fittings | |||
| Applications | Refrigeration, VRV/VRF, HVAC, Split AC, Inverter AC | Commercial HVAC, Chillers, Long Runs, Heavy Duty Installations | |||
| Installation | Fast & Flexible | Rigid, alignment-critical | |||
| Pressure Rating | Lower than Hard-Drawn | Higher pressure endurance | |||
| Cost | Higher (as coils require extra annealing) | Economical for large-scale projects | |||
| Common Standards | ASTM B280 / EN 12735-1 | ASTM B280 / EN 12735-2 | |||
| Weight Chart – ACR / HVAC Copper Tubes (Copper DHP – C12200) | |||||
|---|---|---|---|---|---|
| Size (Inches) | OD (mm) | Wall Thickness (mm) | Weight per Meter (kg) | Weight per 3 Meters (kg) | Temper |
| 1/4" | 6.35 | 0.80 | 0.095 | 0.285 | Soft Coil |
| 3/8" | 9.52 | 0.80 | 0.145 | 0.435 | Soft Coil |
| 1/2" | 12.70 | 0.80 | 0.215 | 0.645 | Soft Coil |
| 5/8" | 15.88 | 0.80 | 0.280 | 0.840 | Soft Coil |
| 3/4" | 19.05 | 0.91 | 0.420 | 1.260 | Hard-Drawn |
| 7/8" | 22.23 | 1.00 | 0.550 | 1.650 | Hard-Drawn |
| 1" | 25.40 | 1.00 | 0.670 | 2.010 | Hard-Drawn |
| 1 1/8" | 28.60 | 1.22 | 0.850 | 2.550 | Hard-Drawn |
| 1 1/4" | 31.75 | 1.22 | 0.950 | 2.850 | Hard-Drawn |
