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B135 - Seamless Brass Tube

B135 - Seamless Brass Tube is a high-quality brass tube known for its excellent machinability, corrosion resistance, and good strength. Made primarily from a copper-zinc alloy, it is commonly used in various applications requiring durability and aesthetic appeal.

Chemical Composition

Element

Composition (%)

Copper (Cu)

60 - 90

Zinc (Zn)

Balance (varies)

Lead (Pb)

Varies by alloy

Tin (Sn)

Varies by alloy

Other elements

Varies by alloy

 

Physical Properties

Property

Value

Melting Point - Liquidus

1880°F (1027°C)

Melting Point - Solidus

1810°F (988°C)

Density at 68°F (20°C)

0.316 lb/cu in (8.75 g/cm³)

Specific Gravity

8.75

Electrical Conductivity at 68°F (20°C)

37% IACS

Thermal Conductivity at 68°F (20°C)

92 Btu/sq ft/ft hr/°F (159 W/m·K)

Coefficient of Thermal Expansion (68-572°F)

10.4 × 10⁻⁶ per °F (18.7 × 10⁻⁶ per °C)

Specific Heat Capacity at 68°F (20°C)

0.09 Btu/lb/°F (0.377 J/g·°C)

Modulus of Elasticity in Tension

17,000 ksi (117 GPa)

Modulus of Rigidity

6,400 ksi (44 GPa)

Mechanical Properties

Property

Value

Tensile Strength

372 MPa (54,000 psi) minimum

Hardness

55-90 HRB

Thermal Properties

Property

Value

Thermal Conductivity

92 Btu/sq ft/ft hr/°F @ 68°F

Specific Heat Capacity

0.09 Btu/lb/°F @ 68°F

Coefficient of Thermal Expansion (20-300°C)

10.4 × 10⁻⁶ per °F (68-572°F)

Melting Point - Liquidus

1880°F

Melting Point - Solidus

1810°F

Fabrication Properties

Property

Characteristic

Hot-working

Suitable

Cold-working

Suitable

Annealing

Suitable

Cold drawing

Suitable

Bending

Good

Flaring

Good

Expanding

Good

Soldering

Excellent

Brazing

Excellent

Threading

Not recommended (use fittings instead)

Common Applications

Common applications for B135 - Seamless Brass Tube include:

  • Plumbing: Used for water supply lines and fixtures due to its corrosion resistance.
  • Automotive Components: Employed in manufacturing various parts, such as fittings and connectors, that require good strength and durability.
  • Furniture and Fixtures: Utilized in decorative elements and hardware for its aesthetic appeal and ease of machining.
  • Instrumentation: Suitable for precision instruments and gauges that need reliable performance.
  • Heat Exchangers: Used in applications where thermal conductivity and corrosion resistance are essential.
  • Industrial Applications: Employed in various industrial piping systems for transporting fluids and gases.
  • Electrical Applications: Used for electrical connectors and terminals due to its conductivity.
  • Marine Hardware: Suitable for components exposed to seawater in marine environments due to its corrosion resistance.
  • Handrails and Architectural Elements: Commonly used in the construction of handrails and other architectural features for both functionality and visual appeal.

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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