C69300 Lead Free Brass Manufacturer, Supplier & Exporter
C69300 Lead Free Brass Manufacturer in India, ASTM B371 C69300 Lead Free Brass Round Bars Supplier, UNS C69300 Lead Free Brass Instrumentation Fittings Manufacturer, C69300 Lead Free Brass Rods Supplier, UNS C69300 Lead Free Brass Forged Elbow Exporter, UNS C69300 Lead Free Brass Machined Components Manufacturer
C69300 Lead Free Brass is a high-performance, environmentally compliant copper alloy developed for applications where strength, corrosion resistance, and safety in potable water systems are essential. This alloy is widely recognized for its excellent resistance to dezincification and stress corrosion cracking, making it a reliable choice for long-term service in demanding operating environments. Its balanced mechanical properties and good machinability allow manufacturers to produce precision components with consistent quality and dimensional accuracy.
Cunimet Alloys Pvt. Ltd. is a leading manufacturer and supplier of C69300 Lead Free Brass products in India, offering materials that meet stringent quality and performance requirements for domestic and international markets. The alloy is especially suitable for plumbing systems, water distribution networks, instrumentation assemblies, and industrial fluid handling applications where lead-free compliance is mandatory.
C69300 Lead Free Brass
At Cunimet Alloys Pvt. Ltd., C69300 Lead Free Brass is supplied in a comprehensive range of forms including bars and rods, as well as precision machined components such as instrumentation fittings, flanges, forged elbows, tees, rings, and circles. All products can be manufactured as per international standards and customer-specific drawings to ensure reliable performance in critical applications.
With strong metallurgical expertise, modern manufacturing facilities, and strict quality control procedures, Cunimet Alloys Pvt. Ltd. delivers dependable lead-free brass solutions tailored to customer needs.
For enquiries and technical support, contact sales@cunimetalloys.com.
Uses of C69300 Lead Free Brass
C69300 Lead Free Brass is widely used in applications where environmental compliance, high corrosion resistance, and long service life are essential. Its excellent resistance to dezincification and stress corrosion cracking makes it especially suitable for water and fluid handling systems.
Typical uses of C69300 Lead Free Brass include:
- Plumbing and potable water fittings and components
- Valves, valve parts, and control assemblies
- Instrumentation fittings, connectors, and adapters
- Machined components for fluid handling and pressure systems
- Flanges and pipe connection components for industrial piping networks
- Forged products such as elbows, tees, rings, and circles
- Water distribution and sanitary system hardware
- Marine and coastal hardware exposed to moisture and corrosive environments
- Mechanical and industrial equipment components requiring durability and dimensional stability
C69300 Lead Free Brass is especially preferred in applications that require lead-free, environmentally compliant materials with reliable performance under pressure and continuous service conditions. Its combination of strength, corrosion resistance, and good machinability makes it an ideal choice for plumbing systems, instrumentation, marine applications, and general engineering components.
UNS C69300 Rods Stockist in India, C69300 Lead Free Brass Flanges Stockist, C69300 Lead Free Brass Forged Tee Manufacturer, C69300 Lead Free Brass Fittings Manufacturer, UNS C69300 Forged Elbow Exporter, C69300 Lead Free Brass Forged Circle Manufacturer in India
| Form | System | Standard | Description |
| Die Forging | ASTM | B283/B283M | Copper and Copper Alloy Die Forgings (hot pressed) |
| Rod | ASTM | B371/B371M | Copper-zinc-silicon Alloy Rod |
| Rod, Bar & Shapes | ASTM | B124/B124M | Copper And Copper-alloy Forging Rod, Bar, And Shapes |
| Product Form | Size Range |
|---|---|
| C69300 Lead Free Brass Bars & Rods | Round, Square, Rectangle & Hex from Ø6 mm to Ø300 mm |
| C69300 Lead Free Brass Instrumentation Fittings | 1/8” to 2” (As per drawings & applicable standards) |
| C69300 Lead Free Brass Flanges | ½” to 24” (Class 150 to Class 2500 / PN 10 to PN 420) |
| C69300 Lead Free Brass Forged Elbows & Tees | ½” to 24” (Seamless / Forged Construction) |
| C69300 Lead Free Brass Forged Rings | Outside Diameter up to 2500 mm Thickness up to 300 mm |
| C69300 Lead Free Brass Forged Circles | Diameter up to 2500 mm Thickness up to 300 mm |
| Custom sizes, tolerances, and finishes are available as per customer drawings and specifications. | |
| UNS Number | C69300 |
| Standards | ASTM B371 / B371M |
| British Standard | BS 2874 CZ132 (Lead-Free Silicon Brass – equivalent) |
| European Standard | EN 12164 / EN 12165 CW724R |
| German Standard | DIN EN 12164 CuZn21Si3P |
| ISO (Chemical Designation) | CuZn21Si3P |
| Common Names | Lead Free Brass, Lead-Free Silicon Brass, Eco Brass, CuZn21Si3P Brass |
| Cu | Si | P | Pb | Fe | Sn | Ni | Mn | Zn | |
| Min/Max | 73.0 | 2.7 | 0.04 | 0.09% | 0.10% | 0.20% | 0.10% | 0.10% | Remainder |
| Nominals | 77.0% | 3.4% | 0.15% | max | max | max | max | max |
| Form | Temper Code | Tensile Strengh (Ksi) | YS-0.2% Offset | YS-0.5% Ext (ksi) |
Elongation (%) | Rockwell B scale |
Fatigue Strength** |
Section Size |
Cold Work |
| Rod | H02 | 88 Typ | 49 Typ | 50 Typ | 10 Typ | 90 Min | 23 Typ | 1.0 | 5 |
| Rod | H02 | 87 Typ | 49 Typ | 50 Typ | 10 Min | 85 Typ | 1.5 | 4 | |
| H02 | 103 Typ | 5 Min | 215 Typ | .10 | 15 | ||||
| H02 | 114 Typ | 74 Typ | 61 Typ | 5 Min | 95 Typ | 0.25 | |||
| H02 | 105 Typ | 73 Typ | 60 Typ | 5 Min | 97 Typ | 0.5 | 13 | ||
| H02 | 80 Typ | 36 Typ | 37 Typ | 10 Min | 80 Typ | 2.0 | 2 | ||
| M30 | 73 Typ | 38 Typ | 39 Typ | 15 Min | 77 Typ | 2.0 | |||
| M30 | 75 Typ | 39 Typ | 40 Typ | 15 Min | 79 Typ | 1.5 | |||
|
* Measured at room temperature, 68F ** Fatigue Strenght: 100 x 10 |
| Product Property | US Customary |
| Melting Point - Liquidus F | 1616 |
| Meling Point - Solidus F | 1571 |
| Density | 0.3 |
| Specific Gravity | 8.3 |
| Electrical Conductivity | 8 |
| Thermal Conductivity | 21.8 |
| Coefficient of Thermal Expansion 68-572 10-6 oF (68-572oF) | 10.3 |
| Specific Heat Capacity Btu/lb/oF at 68oF | 10.4 |
| Specific Heat Capacity Btu/Lb/F at 68 F | 0.09 |
| Modulus of Elasticity in Tension ksi | 15200 |
| Joining Technique | Suitability |
| Soldering | Excellent |
| Brazing | Good |
| Oxyacetylene Welding | Good |
| Gas Shielded Arc Welding | Good |
| Spot Weld | Good |
| Seam Weld | Good |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Poor |
| Capacity for Being Hot Formed | Excellent |
| Forgeability Rating | 95 |
| Machinability Rating | 85 |
| Standard | Equivalent Grade |
|---|---|
| UNS | C69300 |
| ASTM | ASTM B371 / B371M |
| ASME | ASME SB371 / SB371M |
| EN / European | EN 12164 / EN 12165 / EN 12167 CW724R |
| DIN / German | CuZn21Si3P |
| DIN Material No. | 2.1373 |
| BS / British | BS CZ132 (Lead-Free Silicon Brass) |
| ISO (Chemical Designation) | CuZn21Si3P |
| C69300 Lead Free Brass Male Connector | C69300 Lead Free Brass Male Connector |
| C69300 Lead Free Brass Bulk Head Male Connector | C69300 Lead Free Brass Male Elbow |
| C69300 Lead Free Brass 45 Deg Male Elbow | C69300 Lead Free Brass Male Branch Tee |
| C69300 Lead Free Brass Male Run Tee | C69300 Lead Free Brass Female Connector |
| C69300 Lead Free Brass Bulkhead Female Connector | C69300 Lead Free Brass Female Elbow |
| C69300 Lead Free Brass Female Run Tee | C69300 Lead Free Brass Female Branch Tee |
| C69300 Lead Free Brass Union | C69300 Lead Free Brass Reducer Union |
| C69300 Lead Free Brass Bulkhead Union | C69300 Lead Free Brass Union Elbow |
| C69300 Lead Free Brass Union Tee | C69300 Lead Free Brass Union Cross |
| C69300 Lead Free Brass Reducer | C69300 Lead Free Brass Bulkhead Reducer |
| C69300 Lead Free Brass Port Connector Tube Fittings | C69300 Lead Free Brass Male Adapter |
| C69300 Lead Free Brass Female Adapter | C69300 Lead Free Brass Tube End Cap |
| C69300 Lead Free Brass Plug (Port Ends) (TP) | C69300 Lead Free Brass Tube Socket Weld Union |
| C69300 Lead Free Brass Male Pipe Weld Connector | C69300 Lead Free Brass Tube Socket Weld Elbow |
| C69300 Lead Free Brass Male Pipe Weld Elbow | C69300 Lead Free Brass Back Ferrule |
| C69300 Lead Free Brass Front Ferrule |
| C69300 Lead Free Brass Threaded Hex Bushing |
| C69300 Lead Free Brass Threaded Union |
| C69300 Lead Free Brass Threaded Tee |
| C69300 Lead Free Brass Threaded 90 Degree Elbow |
| C69300 Lead Free Brass Threaded 90 Deg Street Elbow |
| C69300 Lead Free Brass Threaded Reducing Coupling |
| C69300 Lead Free Brass Threaded Coupling |
| C69300 Lead Free Brass Threaded Square Head Cored Plug |
| C69300 Lead Free Brass Threaded Reducing Tee |
| C69300 Lead Free Brass Threaded Reducing Tee |
| C69300 Lead Free Brass Threaded 45 Degree Elbow |
| C69300 Lead Free Brass Threaded 45 Deg Street Elbow |
| C69300 Lead Free Brass Threaded 90 Deg Reducing Elbow |
| C69300 Lead Free Brass Threaded Bull Head Tee |
| C69300 Lead Free Brass Threaded Cross |















