A Reliable Partner for Industrial-Grade Performance
Cerro provides high-quality copper tubing solutions for refrigeration, HVAC, and demanding industrial applications. With a market-driven, customer-focused approach, we deliver precision-manufactured products, exactly when you need them, to support efficiency, reliability, and long-term performance across every system.
Contact UsLevel Wound Coil
| Temper | Coil Weight | Uses | Specifications |
| H58 (Drawn) | Available in nominal coil weights of 260 lb. 350 lb. Contact Cerro Sales Representative for additional weight options. | Heating, air conditioning and refrigeration applications (evaporators, condensers, chillers, boilers, space heaters, etc.) Specialized plumbing applications | ASTM B68, B75, B743, B280, B251 |
| 050 (LA) Light Anneal | |||
| 060 (SA) Soft Anneal |
Tolerances – level wound copper tubing dimensions are in inches. Tubing produced to the dimensional tolerances specified in ASTM B251. Closer tolerance may be available provided a prior agreement is reached between Cerro and the customer.
Tempers – level wound coils are provided in the following tempers: light anneal, soft anneal, and hard. Coils in dead soft temper can also be provided if a prior agreement is reached between Cerro and the customer.
Cleanliness – annealed copper tubing meets or exceeds the cleanliness levels specified in ASTM B280 and B743. Coils are capped with plastic end caps to ensure cleanliness.
Level Wound Coils – Produced in the following outside diameter size ranges: Min. Diameter – 3/16″, Max. Diameter – 1 1/8″
| Outside Diameter | Wall Thickness | ||
| Inches | Inches | ||
| Min. | Max. | ||
| 0.187 | 0.020 | 0.030 | |
| 0.250 | 0.020 | 0.045 | |
| 0.3125 | 0.011 | 0.055 | |
| 0.3750 | 0.011 | 0.065 | |
| 0.5000 | 0.015 | 0.065 | |
| 0.6250 | 0.016 | 0.065 | |
| 0.7500 | 0.017 | 0.065 | |
| 0.8750 | 0.018 | 0.065 | |
| 1.000 | 0.025 | 0.065 | |
| 1.1250 | 0.028 | 0.050 | |
| UNS Alloys – Copper C12200 *Contact Cerro Sales Representative for outside diameter sizes not listed or wall dimension availibility that is higher or lower than these max. / min. values. |
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Continuous Coil
| Temper | Coil Weight | Uses | Specifications |
| 050 ( LA ) Light Anneal | Available in nominal coil weights of 500 lb and 1,000 lb. | Heating, air conditioning, and refrigeration applications ( evaporators, condensers, chillers, boilers, space heaters, etc. ) Specialized plumbing applications | ASTM B68, B75, B743 |
| 060 ( SA ) |
Supercoil Level Wound Coils – Produced in the following outside diameter size ranges: Min. Diameter – 5/16″, Max. Diameter – 1/2″
| Outside Diameter | Wall Thickness | ||
| Inches | Inches | ||
| Min. | Max. | ||
| 0.313 | 0.012 | 0.025 | |
| 0.375 | 0.012 | 0.016 | |
| 0.5000 | 0.016 | 0.017 | |
| UNS Alloys – Copper C12200 *Contact Cerro Sales Representative for outside diameter sizes not listed or wall dimension availibility that is higher or lower than these max. / min. values. | |||
Tolerances – level wound copper tubing is produced to the dimensional tolerances specified in ASTM B251. Closer tolerance may be available provided a prior agreement is reached between Cerro and the customer.
Tempers- Supercoil level wound coils are provided in the following tempers: Light anneal, Soft anneal
Cleanliness- Annealed copper tubing meets or exceeds the cleanliness levels specified in ASTM B280 and B743. Coils are capped with plastic end caps to ensure cleanliness.
Testing- All supercoils are eddy current tested in accordance with ASTM E243. NDET imperfections are marked for removal by the customer.
Grooved/Rifled Tube
Cerro Groove is our internally grooved copper tube. The precision of our tubing provides superior heat transfer capability. Cerro Groove allows for a more efficient cooling unit while reducing both energy consumption and costly demands from units other components. This enables air conditioning OEMs to lower their costs through production of smaller, more efficient cooling units.
| Product | Temper | Coil Weight | Uses | Specifications |
| Level Wound Coils Groove ID | 050 ( LA ) Light Anneal | Available in nominal coil weights of 208 lb. & 350 lb. | Air conditioning and refrigerators, evaporators, condensers | ASTM B743, B903 |
| Supercoil Groove ID | 050 ( LA ) Light Anneal | Available in nominal coil weights of 500 lb. & 1,000 lb. | .040-.080 mm |
Level Wound Coils – Produced in the following outside diameter size ranges.
Min. Diameter – .2756 ( 7MM )
Max. Diameter – 1/2″
Cerro Groove Tube
One of the most precise, thin-wall internally grooved copper tubes in the industry. Available in sizes ranging from .2756 to 1/2″.
Level wound and supercoils are provided in light annealed temper.
Internal helical grooving substantially increases overall heat capability. Cerro Groove forms, bends, and expands similar to smooth tube
Testing – All grooved copper tubing is eddy current tested in accordance with ASTM E243. NDET imperfections are marked for removal by the customer.
Straight Length Tube
Exact Straight Lengths (ESL)- Tubes which have been mechanically straightened and then cut to specific lengths as specified by the customer. They are produced within the following dimensional ranges:
- Min. Diameter: 1/4″
- Max. Diameter: 1-1/8′
- Min. Length: 11 3/32″
- Max. Length: 28′
| Temper | Weight | Specifications |
| H58 ( Drawn ) | In bundles of 1000 lbs | ASTM B68, B75, B743 |
| 050 ( LA ) Light Anneal | 500 to 1000 lb. boxes | |
| 060 ( Soft Anneal ) | ||
| Light anneal rotary straightened |
Mechanical Properties
| Temper | Tensile Strength | Yield Strength | Elongation | Grain Size | Rockwell Hardness |
| 050 ( LA ) Light Anneal | 30 ksi Min. | 9 ksi Min. | 40% Min. | .010-.040 mm | 65 Max (15T) |
| 060 ( Soft Anneal ) | 30 ksi Min. | 9 ksi Min. | 40% Min. | .040-.080 mm | 60 Max (15T) |
| H58 ( Drawn ) | 36 ksi Min. | 30 ksi Min. | N/A | N/A | 80 Max (15T) |
Range of Sizes
| Outside Diameter | Wall Thickness | ||
| Inches | Inches | ||
| Min. | Max. | ||
| 0.250 | 0.020 | 0.045 | |
| 0.3125 | 0.011 | 0.055 | |
| 0.3750 | 0.011 | 0.065 | |
| 0.5000 | 0.015 | 0.065 | |
| 0.6250 | 0.016 | 0.065 | |
| 0.7500 | 0.017 | 0.065 | |
| 0.8750 | 0.018 | 0.065 | |
| 1.0000 | 0.025 | 0.065 | |
| 1.1250 | 0.028 | 0.050 | |
Exact Straight Lengths – Light Anneal Rotary (LAR)
Light Anneal Rotary (LAR)- This is the exact straight lengths that are ran through the rotary straightener.
| Examples of Current Sizes we produce | |
| Outside Diameter | Wall Thickness |
| 0.250 | 0.035 |
| 0.375 | 0.022 |
| 0.610 | 0.020 |
| 0.750 | 0.019 |
| 0.850 | .020 – .032 |
| 1.095 | 0.024 |
The above sizes are examples. Only we can produce OD sizes that vary from .250 – 1.095 with various wall sizes. Please contact Cerro to inquire about different size options.
Cleanliness- Lengths are capped with plastic caps when specified by the customer.
Tolerances- Exact straight lengths are produced to the dimensional tolerances specified in ASTM B251. Closer tolerances may be available provided a prior agreement between Cerro and the customer.
Box weights and packaging– Exact straight lengths are provided in 500 or 1,000 lb. bare bundles or with a protective wrapping or wooden boxes lined with plastic.
Testing- All exact straight lengths are eddy current tested in accordance with ASTM E243. Exact straight lengths are provided with no detectable defects.
