C36000 Free-Cutting Brass / IS 319Forging Metallurgy & Specs
High-Machinability Non-Sparking Forging Brass for Precision Hardware & Valves. Hot-forged and precision-machined in Rajkot, Gujarat strictly up to 50 kg max piece weight with 100% Optical Emission Spectrometry (OES) PMI testing and EN 10204 3.1 MTC compliance.
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C36000 Free-Cutting Brass / IS 319 (UNS C36000 / CW614N / CuZn39Pb3) offers a minimum tensile strength of 380 – 480 MPa (55 – 70 ksi) and yield strength of 180 – 280 MPa (26 – 40 ksi) with 110 – 145 HBW hardness. Manufactured by Jayesh Forge in Rajkot, Gujarat strictly up to 50 kg per piece, this alloy features Excellent resistance to fresh water, gasoline, and non-oxidizing chemicals. Tested per ASTM A388 Level II ultrasonic standards with EN 10204 3.1 MTC inspection.
C36000 Free-Cutting Brass / IS 319 Chemical Analysis (% by Weight)
| Element | Chemical Symbol | Minimum (%) | Maximum (%) | Specification Role |
|---|---|---|---|---|
| Copper | Cu | 60.00% | 63.00% | Improves corrosion resistance in sulfuric environments |
| Lead | Pb | 2.50% | 3.70% | Microscopic chip breaker ensuring 100% CNC machinability |
| Iron | Fe | — | 0.35% | Impurity control element |
| Zinc | Zn | 33.00% | 37.00% | Base brass matrix alloying element |
* Ladle chemical analysis verified using optical emission spectrometer (OES) calibrated to NIST certified reference materials. Full chemical results recorded on EN 10204 3.1 MTC.
C36000 Free-Cutting Brass / IS 319 Mechanical Properties
Ultimate breaking stress threshold
Elastic deformation limit
Plastic ductility before rupture
Surface indentation resistance
Cross-sectional necking ductile ratio
Dynamic fracture energy absorption
Thermal Cycle & Machining Parameters
700°C – 780°C (1300°F – 1435°F)
Stress relief annealed at 260°C – 280°C to eliminate residual stress corrosion cracking
Excellent resistance to fresh water, gasoline, and non-oxidizing chemicals
Machinability: 100% (The universal machinability standard) • Poor for fusion welding; easily brazed or soldered
International Equivalent Material Grades
Forged Components Manufactured in C36000 Brass
Precision Machined Brass Bushes
Low-friction bearing bushes for water meters and gas valves.
C36000 Brass Frequently Asked Technical Questions
C36000 brass contains finely dispersed lead globules that act as microscopic chip breakers and internal lubricants, allowing maximum CNC spindle speeds, minimal tool wear, and flawless mirror finishes.
Related Industrial Metallurgy Specifications
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