Copper coils
Straight-length copper tube, supplied hard drawn for rigid, self-supporting runs, and also in half-hard, quarter-hard and soft tempers. Beyond AC and refrigeration it is used for medical gas, plumbing, household gas, heat exchangers, solar and industrial applications.
Specifications
| Brand | Mexflow (Mehta Tubes) |
|---|---|
| Material | Phosphorus-deoxidised copper, Cu-DHP (C12200), min. 99.9% Cu + Ag |
| Temper | Hard drawn: H58 (ASTM) / R290 (EN); also half hard, quarter hard and soft |
| Outside diameter | 6.35 mm (1/4″) to 50.80 mm (2″) |
| Wall thickness | 0.61 mm to 1.65 mm, depending on OD |
| Tensile strength | Min. 290 MPa |
| Elongation | Min. 3% |
| Hardness | Min. 100 HV |
| Supply form | Straight lengths up to 6 m (up to 15 m for heat exchanger tube) |
| Internal cleanliness | Cleaned and dehydrated, ends capped |
| Joining | Brazing with socket fittings (cannot be flared or bent cold) |
| Standards | IS · BS · EN · ASTM · AS · JIS (incl. ASTM B280, EN 12735-1, EN 13348 for MGPS) |
Typical figures. Stocked sizes, wall thicknesses and lengths vary by brand and batch, so we confirm them with your quote.
Applications
Ranges below are from Mexflow by Mehta Tubes, whose copper we supply.
Size guide
Sizes from 6.35 mm (1/4″) to 50.80 mm (2″). Pick the size, then a wall thickness rated for your refrigerant; R32 and R410A need the heavier walls.
| Nominal OD | OD (mm) | Wall thickness (mm) | Enquire |
|---|---|---|---|
| 1/4″ | 6.35 | 0.610.710.81 | Enquire |
| 5/16″ | 7.94 | 0.610.710.81 | Enquire |
| 3/8″ | 9.52 | 0.610.710.81 | Enquire |
| 1/2″ | 12.70 | 0.710.810.91 | Enquire |
| 5/8″ | 15.88 | 0.810.911.00 | Enquire |
| 3/4″ | 19.05 | 0.810.911.001.22 | Enquire |
| 7/8″ | 22.22 | 0.911.001.22 | Enquire |
| 1″ | 25.40 | 1.001.22 | Enquire |
| 1-1/8″ | 28.58 | 1.001.221.27 | Enquire |
| 1-1/4″ | 31.75 | 1.221.27 | Enquire |
| 1-3/8″ | 34.92 | 1.221.40 | Enquire |
| 1-1/2″ | 38.10 | 1.221.40 | Enquire |
| 1-5/8″ | 41.28 | 1.221.52 | Enquire |
| 1-3/4″ | 44.45 | 1.401.52 | Enquire |
| 2″ | 50.80 | 1.521.65 | Enquire |
By application · Mexflow by Mehta Tubes
Pick the application to enquire. Grades, tempers and size ranges are the manufacturer's published figures; we confirm exact sizes and stock with your quote.
Straight tube for VRV and VRF headers, risers and branch piping.
Straight tube for split, ductable and package AC refrigerant lines.
Straight tube for cold room and cold storage refrigeration piping.
Externally finned tube that adds surface area for heat transfer in shell-and-tube evaporators and chillers.
Cleaned and degreased tube for hospital oxygen, medical air and vacuum pipelines, to EN 13348.
Durable, corrosion-resistant tube for building water supply.
Tube for potable water and sanitation lines; copper discourages bacterial growth.
Tube for domestic and commercial hot and cold water systems.
Tube for piped LPG and PNG lines in homes and kitchens.
Tube for shell-and-tube heat exchangers, condensers and industrial plant.
Tube for solar water heaters and solar thermal collectors.
Tube for evaporators and juice heaters in sugar mills.
High-conductivity tube for electrical bus tubes and general engineering.
Copper coils
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