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

What are Brass IS 319 Free Cutting Pipe Fittings?

Brass IS 319 Free Cutting Pipe Fittings are manufactured from free-cutting brass as per Indian Standard IS 319, specifically designed for excellent machinability and precision manufacturing.

These fittings contain lead, which improves machinability and allows for faster, smoother cutting during production. They are widely used in applications requiring intricate machining and precise threading.

Brass IS 319 fittings offer:

• Good corrosion resistance
• Excellent machinability
• Reliable strength and durability

They are commonly used in plumbing systems, instrumentation, and industrial applications.

Key Features of Brass IS 319 Pipe Fittings

• Excellent machinability and ease of fabrication
• Good corrosion resistance
• High dimensional accuracy
• Smooth threading and finishing
• Durable and long-lasting
• Cost-effective solution for various applications
• Suitable for water, air, and gas systems

Chemical Composition (%)

Typical composition for IS 319 Grade (Free Cutting Brass):

• Copper (Cu): 57 – 61%
• Zinc (Zn): Balance
• Lead (Pb): 2.5 – 3.5%
• Iron (Fe): ≤ 0.3%
• Other Impurities: Minimal

Role of Alloying Elements

• Copper: Provides corrosion resistance and ductility
• Zinc: Enhances strength and hardness
• Lead: Improves machinability and cutting performance

Mechanical Properties

• Tensile Strength: 330 – 500 MPa
• Yield Strength: ≥ 120 MPa
• Elongation: ~15 – 25%
• Hardness: ~80 – 150 HB
• Density: 8.4 – 8.7 g/cm³

Physical Properties

• Melting Range: 900 – 940°C
• Thermal Conductivity: ~120 W/m·K
• Electrical Conductivity: Moderate
• Thermal Expansion: ~19 µm/m°C

Corrosion Resistance

Brass IS 319 pipe fittings offer:

• Good resistance to water corrosion
• Moderate resistance to atmospheric corrosion
• Suitable for non-aggressive environments

Note: Not recommended for highly acidic or ammonia-rich environments.

Heat Treatment

Brass IS 319 fittings are generally used in:

• Cold-worked condition
• Annealed condition (for improved ductility)

Weldability & Joinability

Brass fittings can be joined using:

• Brazing
• Soldering
• Threaded connections

Recommendations

• Clean surfaces before joining
• Use appropriate flux
• Avoid overheating

Machinability

Brass IS 319 free cutting grade offers:

• Excellent machinability
• High-speed machining capability
• Smooth chip formation
• Reduced tool wear

This makes it ideal for precision components.

Standards & Specifications

• IS 319 (Free Cutting Brass)
• ASTM B16 / B124 (Equivalent references)

Available Types

• Elbows (90°, 45°)
• Tees
• Couplings
• Reducers
• Nipples
• Unions
• Bushes

Available Sizes & Finishes

• Size Range: ¼” to 4”

Surface Finish:

• Natural brass finish
• Polished
• Nickel plated (optional)

Custom sizes and finishes available as per requirements.

Applications

Plumbing Industry

• Water supply systems
• Pipe connections

Gas Systems

• LPG and gas pipelines

Industrial Applications

• Air and fluid systems
• Instrumentation fittings

Electrical Applications

• Connectors and terminals

General Engineering

• Precision machined components

Quality Testing & Inspection

At Virami Steel Hub, all brass pipe fittings undergo strict quality checks:

• Chemical composition testing
• Mechanical testing
• Dimensional inspection
• Surface quality checks

Mill Test Certificates (MTC) available upon request.

Packaging & Delivery

• Protective packaging to prevent damage
• Cartons and wooden boxes
• Proper labeling and traceability
• Safe and timely delivery

Why Choose Virami Steel Hub?

• Trusted brass fittings manufacturer in Mumbai
• High-quality raw materials
• Competitive pricing
• Custom manufacturing solutions
• Compliance with industry standards
• Strong supply chain and export network
• Reliable customer support

Conclusion

Brass IS 319 Free Cutting Pipe Fittings are widely used for applications requiring precision machining, durability, and corrosion resistance. Their excellent machinability and cost-effectiveness make them ideal for plumbing, gas, and industrial systems.

Virami Steel Hub offers high-quality brass pipe fittings manufactured to industry standards, ensuring reliability, performance, and long service life.