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B88 - Seamless Copper Water Tube

B88 Seamless Copper Water Tube is a high-quality copper tube designed specifically for water distribution and plumbing applications. Known for its excellent corrosion resistance, durability, and smooth interior surface, it is widely used in residential, commercial, and industrial water supply systems.

Chemical Composition

Element

Composition (%)

Copper (Cu) + Silver (Ag)

99.90 (min)

Phosphorus (P)

0.015 - 0.040

 

Physical Properties

Property

Value

Density

8.94 g/cm³

Melting Point

Approximately 1083°C (1981°F)

Electrical Conductivity

Approximately 100% IACS

Thermal Conductivity

Approximately 391 W/(m·K)

Coefficient of Thermal Expansion

Approximately 16.5 × 10⁻⁶ /K at 20°C

Mechanical Properties

Property

Annealed (O60)

Light Drawn (O50)

Tensile Strength (min)

≥205 MPa (29,700 psi)

≥245 MPa (35,500 psi)

Yield Strength (annealed)

35 MPa (5,100 psi)

Not specified

Yield Strength (drawn)

69 MPa (10,000 psi)

Not specified

Elongation in 2 in. (50.8 mm) (min)

≥40%

Not specified

Hardness (Rockwell B)

80-90

Not specified

Modulus of Elasticity

117 GPa (17 x 10^6 psi)

Not specified

Poisson's Ratio

0.33

Not specified

Fatigue Strength

53 MPa (7,690 psi)

Not specified

Charpy Impact Strength

3 J

Not specified

Thermal Properties

Property

Value

Thermal Conductivity

394 W/mK (92 Btu/ft·hr·°F at 68°F)

Coefficient of Thermal Expansion

17.8 × 10⁻⁶ /K (10.4 × 10⁻⁶ /°F from 68-572°F)

Specific Heat Capacity

0.385 J/gK (0.09 Btu/lb/°F at 68°F)

Melting Point - Liquidus

1027°C (1880°F)

Melting Point - Solidus

988°C (1810°F)

Fabrication Properties

Property

Characteristic

Soldering

Excellent

Brazing

Excellent

Welding

Good

Bending

Good to Excellent (depending on temper)

Flaring

Good

Threading

Not recommended (use fittings instead)

Machining

Good

Forming

Excellent (especially in annealed condition)

Common Applications

Common applications for B88 - Seamless Copper Water Tube include:

  • Plumbing Systems: Used for potable water distribution in residential and commercial buildings.
  • Hot and Cold Water Lines: Ideal for both hot and cold water supply due to its thermal stability and resistance to corrosion.
  • Heating Systems: Employed in radiant heating and hot water heating systems.
  • HVAC Systems: Used in air conditioning and refrigeration systems for fluid transfer.
  • Fire Sprinkler Systems: Applied in fire suppression systems due to its durability and pressure-handling capacity.
  • Water Service Lines: Suitable for underground water service lines due to its corrosion resistance.
  • Industrial Piping: Used in industrial applications where reliable water transport is required.
  • Solar Heating Systems: Utilized in solar water heating systems for its excellent thermal conductivity.
  • Medical Gas Systems: Applied in healthcare facilities for clean and reliable medical gas distribution.

How Can Drawn Metal Help

If you have any queries about the metal products that we offer, don’t hesitate to get in touch with us. 

 

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