Copper Tubing 1/4 in OD x 0.187 in ID x 50 ft - Refrigeration Grade

Our review of this copper tubing focuses on whether it suits HVAC, refrigeration and DIY projects that demand consistent thermal performance and corrosion resistance. For installers and hobbyists who need a long, flexible coil for refrigeration lines, the single biggest reason to buy is the tube's annealed C12200 composition and ASTM-B280 conformity, which deliver reliable thermal conductivity and durability across extended runs. It is a straightforward, no-frills refrigeration tube that performs where thermal transfer and long-term serviceability matter most.

Key Features

• Dimension and length: The 1/4 in OD with 0.187 in ID and 50 ft length provides ample continuous run for many refrigerator and AC line sets without frequent joints.
• Material quality: Made from annealed UNS C12200 copper, it offers excellent thermal conductivity that helps systems maintain efficient heat transfer.
• ASTM-B280 compliance: Meeting this specification ensures the tube is suitable for refrigeration applications where standardized mechanical and chemical properties are required.
• Nitrogen charged treatment: The nitrogen charged process reduces oxidation and impurities, improving longevity and reducing the risk of internal contamination.
• Formability: The seamless, soft coil construction bends and cuts cleanly for field work and can be assembled with sweating or flare fittings for tight installations.
• Versatile use: Besides HVAC, the tubing is suitable for industrial, electrical, craft and model-making applications that rely on dependable copper performance.

Who It's For

This tubing is aimed at HVAC technicians, refrigeration installers and serious DIYers who need a reliable, continuous coil for air conditioning and refrigeration line sets. The length and seamless construction suit runs where fewer fittings and clean bends reduce leak risk and improve longevity.

Those looking for very specialized brazing alloys, extremely high-pressure hydraulic tubing, or pre-formed factory bends may want to consider alternatives; this product is optimized for ACR refrigeration and general copper applications rather than niche custom profiles.

Pros & Cons

Pros

• High-purity C12200 copper delivers consistent thermal performance for refrigeration systems.
• Nitrogen charged treatment helps prevent oxidation and extends service life in HVAC applications.
• Seamless soft coil form is easy to bend, cut and join with common fittings.
• Long 50 ft coil reduces the number of joints required for many installs.

Cons

• Some users report mixed experience with surface flatness and reaming ability, so precise internal finish may vary between coils.
• Like most soft copper tube, it can kink if bent sharply without proper tooling or care.

Specifications

Outer diameter	1/4 in
Inner diameter	0.187 in (4.75 mm)
Length	50 ft (15.24 m)
Wall thickness	0.031 in (0.8 mm)
Material grade	Annealed UNS C12200 copper
Specification	Conforms to ASTM-B280
Form	Seamless soft coil

Our Verdict

For HVAC professionals and DIYers who need a long, flexible refrigeration tube, this C12200 1/4 in coil is a practical choice: it combines standard-compliant copper, nitrogen treatment for reduced oxidation, and easy field workability. It represents good value when reliability and thermal performance are the priorities, though installers should use care to avoid kinks and may want to inspect the internal finish for specific reaming needs.

Frequently Asked Questions

Can this tubing be flared or sweated with standard fittings?
Yes. The soft, seamless construction is compatible with common sweat and flare fittings used in refrigeration and HVAC.

Is this tube suitable for refrigeration pressure testing?
Yes. It conforms to ASTM-B280 and the manufacturer applies nitrogen charged treatment and pressure testing to reduce impurities and improve reliability.

Will this coil resist corrosion in typical HVAC environments?
The annealed C12200 copper and nitrogen treatment improve corrosion resistance, though normal good installation practice and protection in aggressive environments are recommended.