Brass IS 319 Free Cutting Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Brass IS 319 Free Cutting Wires – Manufacturer, Supplier & Exporter in Mumbai, India

Virami Steel Hub is a leading manufacturer, supplier, stockist, and exporter of Brass IS 319 Free Cutting Wires in Mumbai, India. Our high-quality brass wires are engineered for superior machinability, corrosion resistance, and electrical conductivity, making them ideal for automotive, electrical, hardware, and precision engineering applications.

Manufactured using advanced metallurgical processes, our brass wires deliver uniform diameter, smooth surface finish, and high dimensional accuracy, meeting international standards. We supply across India and export globally to the USA, Europe, the Middle East, Africa, and Southeast Asia, offering competitive pricing, certified quality, and timely delivery.

What Are Brass IS 319 Free Cutting Wires?

Brass IS 319 is a standard specification for lead-free, machinable brass alloys used in general engineering and industrial applications. Free cutting brass wires are designed to reduce tool wear, allow high-speed machining, and produce smooth, precise finishes, making them ideal for fasteners, gears, pins, and intricate hardware components.

These wires combine excellent corrosion resistance, mechanical strength, and electrical conductivity, making them suitable for both industrial and electrical applications.

Key Features of Brass IS 319 Free Cutting Wires

Brass IS 319 free cutting wires offer multiple advantages:

  • Excellent machinability and free-cutting properties
  • Superior corrosion resistance in mild atmospheres
  • High tensile strength and ductility
  • Smooth surface finish for high-precision applications
  • Good electrical and thermal conductivity
  • Low tool wear during machining
  • Consistent diameter and uniform mechanical properties
  • Cost-effective and widely available

These features make IS 319 brass wires ideal for automotive components, electrical fittings, fasteners, and general engineering applications.


Chemical Composition of Brass IS 319 Wires (%)

Element Composition (%)
Copper (Cu) 60 – 63
Zinc (Zn) 35 – 37
Lead (Pb) 1.8 – 2.5
Iron (Fe) 0.05 max
Tin (Sn) 0.03 max
Nickel (Ni) 0.05 max

Role of Key Elements

  • Copper (Cu): Provides corrosion resistance, ductility, and electrical conductivity.
  • Zinc (Zn): Strengthens the alloy and improves hardness.
  • Lead (Pb): Enhances machinability and reduces tool wear during high-speed cutting.
  • Trace Elements: Controlled to maintain uniform mechanical properties and corrosion resistance.

This composition ensures high-performance, machinable, and durable brass wires suitable for industrial and precision applications.


Mechanical Properties of Brass IS 319 Free Cutting Wires

IS 319 brass wires offer a balanced combination of strength, ductility, and machinability:

  • Tensile Strength: 300 – 400 MPa
  • Yield Strength: 150 – 220 MPa
  • Elongation: 20 – 30%
  • Hardness: 80 – 100 HV
  • Density: 8.5 g/cm³

These mechanical properties allow easy bending, forming, and machining without compromising strength or surface finish.


Physical Properties

  • Electrical Conductivity: 15 – 28 MS/m
  • Thermal Conductivity: 100 – 120 W/m·K
  • Melting Point: 900 – 940°C
  • Coefficient of Thermal Expansion: 19 µm/m°C

The combination of good electrical and thermal conductivity makes IS 319 brass wires suitable for electrical fittings, heat exchangers, and industrial hardware.


Corrosion Resistance

Brass IS 319 free cutting wires are highly resistant to:

  • Moisture and atmospheric corrosion
  • Mild acids and alkalis
  • Saltwater exposure (with proper surface finish)
  • Oxidation and tarnishing in general industrial environments

This corrosion resistance ensures long-lasting performance in automotive, electrical, and marine applications.


Heat Treatment

Brass IS 319 wires are usually supplied in an annealed condition to enhance ductility and machinability:

  • Annealing: Heat to 450 – 600°C, then slow cooling to relieve internal stresses
  • Optional cold working increases strength for specialty applications
  • Ensures wires are soft and easy to machine while retaining corrosion resistance

Weldability

Brass IS 319 free cutting wires are weldable with proper techniques:

  • Suitable for soldering and brazing
  • TIG and MIG welding possible for industrial assemblies
  • Maintains electrical conductivity and mechanical integrity after joining

Machinability

IS 319 brass wires are highly machinable:

  • Ideal for high-speed turning, threading, and milling
  • Reduced tool wear due to lead content
  • Smooth chip formation ensures minimal burrs and precise finishes
  • Suitable for forming, bending, and coiling

These properties make brass IS 319 wires perfect for precision components, fasteners, and electrical fittings.


Standards & Specifications

Virami Steel Hub supplies brass IS 319 free cutting wires as per international and Indian standards:

  • IS 319: Specification for free-cutting brass
  • ASTM B16 / B36: Copper-zinc alloys
  • ISO 12164 / 12165: Free-machining brass products

Available Sizes

  • Wire Diameter: 0.5 mm to 25 mm
  • Coil Weight: 1 kg to 500 kg
  • Straight lengths or custom coils per client requirement

Surface Finishes

  • Bright Drawn
  • Annealed
  • Polished
  • Coated (optional for corrosion resistance or electrical applications)

Custom sizes and finishes are available for automotive, electrical, and industrial hardware applications.


Applications of Brass IS 319 Free Cutting Wires

Automotive Industry

  • Fasteners and screws
  • Gears and pins
  • Electrical terminals and connectors
  • High-precision machined components

Electrical & Electronics

  • Conductors and terminals
  • Electrical fittings and connectors
  • PCB and micro-machining applications

Industrial & Hardware

  • Precision components for machines
  • Decorative hardware and fittings
  • Mechanical components requiring high machinability

Construction & Plumbing

  • Plumbing fixtures
  • Electrical wiring terminals
  • Decorative and functional hardware components

IS 319 free cutting brass wires are ideal wherever machinability, corrosion resistance, and electrical conductivity are essential.


Quality Testing & Inspection

All IS 319 brass wires from Virami Steel Hub undergo rigorous quality control:

  • Chemical composition analysis
  • Mechanical testing (tensile, elongation, hardness)
  • Dimensional accuracy and surface finish inspection
  • Electrical conductivity verification

Mill Test Certificates (MTC) are provided per IS, ASTM, and ISO standards. Third-party inspection is available on request.


Packaging & Delivery

  • Moisture-proof, corrosion-resistant packaging
  • Supplied in coils or straight lengths
  • Export-grade wooden crates or pallets
  • Proper labeling and traceability

Our logistics network ensures safe and timely delivery worldwide.


Why Choose Virami Steel Hub?

  • Trusted manufacturer and exporter in Mumbai, India
  • Large ready-stock inventory of brass wires
  • Competitive pricing and custom manufacturing options
  • Compliance with IS 319, ASTM, and ISO standards
  • Reliable global shipping network
  • Commitment to quality, precision, and long-term customer satisfaction

Conclusion

Brass IS 319 Free Cutting Wires are highly machinable, corrosion-resistant, and mechanically durable wires suitable for automotive, electrical, industrial, and hardware applications. Their exceptional machinability, smooth finish, and dimensional stability make them ideal for precision components, fasteners, electrical terminals, and decorative hardware.

Virami Steel Hub supplies certified brass IS 319 free cutting wires manufactured to international standards, ensuring precision, durability, and reliable performance for clients worldwide.

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