Copper Pipes for Terminal Ends and Cable Lugs

Product Overview

R V Metal Corporation supplies precision Copper Pipes for Terminal Ends used in air-conditioning, refrigeration, medical gas pipelines, electrical terminations and general engineering assemblies. Pipes are produced from high-conductivity, deoxidized copper grades with smooth inner bore, tight dimensional tolerance and clean, burr-free cut edges – ready for flaring, brazing, swaging and press-fit terminations.

R V Metal Corporation supplies precision Copper Pipes for Terminal Ends used in air-conditioning, refrigeration, medical gas pipelines, electrical terminations and general engineering assemblies. Pipes are produced from high-conductivity, deoxidized copper grades with smooth inner bore, tight dimensional tolerance and clean, burr-free cut edges – ready for flaring, brazing, swaging and press-fit terminations.

Technical Specifications

Product Identification
Product Name	Copper Pipes for Terminal Ends & Cable Lugs
Base Material	Electrolytic Tough Pitch Copper (Cu-ETP) – primary grade for lugs
Alternative Grades	Cu-DHP (Deoxidized High Phosphorus – C12200), Cu-OF (Oxygen Free – C10200) on request
Grades, Standards & Designations
UNS Designation	C11000 (Cu-ETP) – standard C12200 (Cu-DHP), C10200 (Cu-OF) – special applications
International Standards	ASTM B188 / B152 / B187 (copper rod, bar & tubular products) EN 13600 / EN 13601 (copper tube & bar for electrical purposes) Equivalent Indian Standards – IS 613, IS 1897 / as specified in PO
Common Designations	ETP Copper, Cu-ETP; DHP Copper, Cu-DHP; OFHC Copper, Cu-OF
Chemical Composition – Reference (Cu-ETP C11000)
Cu + Ag	≥ 99.90 % (min)
Oxygen (O)	Approx. 0.02 – 0.04 %
Residual Elements	Each ≤ 0.05 %, total typically ≤ 0.10 %
Note (Cu-DHP)	Cu-DHP C12200 contains 0.015 – 0.040 % P with very low oxygen – offered on request.
Mechanical Properties – Typical (for Lug Barrel Tubes)
Condition	Soft / Annealed (O) or Half Hard – suitable for forming & crimping
Ultimate Tensile Strength (UTS)	Approx. 220 – 260 MPa (depending on condition & size)
0.2 % Proof Stress	Approx. 70 – 110 MPa
Elongation (A5)	≥ 25 % (annealed / soft condition)
Hardness	Approx. 55 – 85 HV (typical range used for terminal ends)
Electrical & Physical Properties – Reference (Cu-ETP)
Electrical Conductivity	≥ 97 – 101 % IACS @ 20°C
Resistivity	≈ 1.72 µΩ·cm @ 20°C
Density	≈ 8.9 g/cm³
Melting Point	≈ 1083 °C
Dimensional Range – Standard Supply
Outside Diameter (OD)	6.0 mm – 60.0 mm (larger OD up to 100 mm on request)
Wall Thickness (WT)	0.80 mm – 4.00 mm (heavier walls on request)
Inside Diameter (ID)	Matched to cable cross section and barrel design as per customer drawing
Standard Lengths	1.0 m – 3.0 m tubes, or cut pieces / blanks to lug manufacturer’s requirements
Dimensional Tolerances – Typical
OD Tolerance	Approx. ±0.10 mm to ±0.25 mm depending on OD & standard
Wall Thickness Tolerance	Typically ±10 % or as agreed in purchase order
Length Tolerance (Cut Pieces)	Approx. ±1.0 mm to ±2.0 mm (as per lug barrel length specification)
Ovality / Eccentricity	Controlled within relevant copper tube standards for proper crimping performance
Supply Condition & Documentation
Surface Finish	Clean, bright, smooth bore, internally deburred – suitable for crimping / soldering
End Condition	Plain ends, square cut, deburred or chamfered as per customer requirement
Supply Condition	Soft / Half Hard; specific temper agreed at order stage based on lug forming process
Inspection & Testing	Visual, dimensional checks; mechanical properties and conductivity as required
Mill Test Certificate (MTC)	MTC provided with each lot showing chemical, mechanical and other agreed parameters
Special Requirements	Non-standard sizes, close tolerances, tinned / plated finish and OEM-specific specs on request

Note: Above values are typical reference data for R V Metal Corporation copper tubes used in terminal ends. Final supply will be as per mutually agreed drawing / standard / purchase specification and will be confirmed in the Mill Test Certificate.

Chemical Composition

Note: Chemical values based on ASTM B68, B75, B88, B152 and EN 12449 standards commonly used for copper tubes and lug manufacturing. Final composition is confirmed in the Mill Test Certificate (MTC).

UNS Codes & Grades

Mechanical, Physical & Fabrication Properties

Common Names & International Identifiers

Standards & International Equivalents

Applications

Standard Copper Tube Dimensional Chart