Product Description
C44300 Admiralty Brass CuZn28Sn1As, CW706R
The copper based C44300 Admiralty Brass alloy is ideal for manufacturing heat exchanger tubes. The alloy is manufactured to cater engineering requirements and find applications mainly in oil and gas industries that also require its non corrosive properties.
Applications : - Industrial Evaporator Tubing
- Heat Exchanger Tubing
- Condenser Tube Plates
- Distiller Tubes
- Oil Well Pump Liner
- Ferrules
- Bourdon Tubes
- Condenser Tubes
Equivelent Specifications
| Specifications | Designation |
| Iso | Cuzn28sn1 |
| Europen | Cuzn28sn1as |
| Bs | Cz 111 |
| Jis | C 4430 |
| Russian | L62-1 |
Chemical Composition:
| | As | Cu | Fe | Pb | Sn | Zn |
| Min/Max | 0.02 - 0.06 | 70.0 - 73.0 | 0.06 | 0.07 | 0.8 - 1.2 | Rem |
| Nominals | 0.04 | 71 | - | - | 1 | 28 |
Fabrication Properties
| Joining Technique | Suitability |
| Brazing | Excellent |
| Butt Weld | Good |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Fair |
| Coated Metal Arc Welding | Not Recommended |
Specification
| End Product | Specification |
| Plate, Clad | ASTM B432 |
| Plate, Condenser Tube | ASME SB171, ASTM B171 |
| Tube | ASTM B135 |
| Tube, Condenser | ASME SB111, ASTM B111 |
| Tube, Finned | ASME SB359, ASTM B359 |
| Tube, U-Bend | ASME SB395, ASTM B395 |
| Tube, Welded | ASME SB543, ASTM B543 |
Physical Properties
| Product Property | US Customary | Metric |
| Coefficient of Thermal Expansion | 11.2 ·10-6 per oF (68-572 F) | 20.2 · 10 6? per °C (20-300 C) |
| Density | 0.308 lb/in3 @ 68 F | 8.53 gm/cm3 @ 20 C |
| Electrical Conductivity | 25 %IACS @ 68 F | 0.146 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 41.5 ohms-cmil/ft @ 68 F | 6.9 microhm-cm @ 20 C |
| Melting Point Liquid US | 1720 F | 938 C |
| Melting Point Solid US | 1650 F | 899 C |
| Modulas of Elasticity in Tension | 16000 ksi | 110000 MPa |
| Modulas of Rigidity | 6000 ksi | 41370 MPa |
| Specific Gravity | 8.53 | 8.53 |
| Specific Heat Capacity | 0.09 Btu/lb/°F @ 68 F | 377.1 J/kg · °K at 293 K |
| Thermal Conductivity | 64.0 Btu · ft/(hr · ft2 ·°F) @ 68 F | 110.8 W/m · °K at 20 C |
Size Available
| HOLLOW RODS | Min Bore Size 20 mm and Max OD 100 mm |
| ROUND RODS | 6mm To 130 mm |
| HEX | 5mm To 60mm |
| SQUARE | 4mm To 60mm |
| FLAT | 5mm Min Thickness and max Width 120mm |
| PROFILES / SECTIONS | AS per Customer Drawing |
| BILLETS | Up to 200mm |
| INGOTS | AS per Specification |
Superior Corrosion ResistanceC44300 Admiralty Brass offers exceptional resistance to both seawater and steam, thanks to its strategic tin addition. This makes it an optimal choice for marine and industrial environments where exposure to corrosive media is routine, ensuring long service life and minimal maintenance.
Versatile Industrial ApplicationsThe alloy is extensively used in heat exchangers, condensers, evaporators, and sugar processing equipment. Its seamless and welded options, coupled with varied end types and finishes, allow it to be tailored for diverse operational requirements across industries.
FAQs of C44300 Admiralty Brass:
Q: How is C44300 Admiralty Brass commonly processed during manufacturing?
A: C44300 Admiralty Brass is manufactured through seamless or welded techniques, adhering to international standards such as ASTM B111, ASTM B135, and BS 2871. The process ensures consistent quality, durability, and corrosion resistance in a variety of shapes and thicknesses ranging from 0.6 mm to 10 mm.
Q: What are the typical applications of C44300 Admiralty Brass in industry?
A: This alloy is widely used in fabricating heat exchangers, condensers, evaporators, and equipment for the sugar industry, thanks to its robust resistance to corrosive environments and reliable mechanical properties.
Q: When should one choose C44300 Admiralty Brass for a project?
A: It is advisable to select C44300 Admiralty Brass when the application demands high corrosion resistanceespecially in marine, steam, or chemically aggressive conditionsand requires materials that resist dezincification and maintain integrity under elevated stress.
Q: Where is C44300 Admiralty Brass predominantly supplied in India?
A: C44300 Admiralty Brass is supplied across India by a range of distributors, manufacturers, exporters, suppliers, traders, and service providers specializing in non-ferrous alloys and industrial metals for engineering applications.
Q: What are the major benefits of using C44300 Admiralty Brass in heat exchangers?
A: Its composition enhances its durability and corrosion resistance, minimizing maintenance and replacement costs. The alloys structure prevents tube failure from seawater and steam, ensuring device reliability in continuous operation.
Q: How does the chemical composition influence the corrosion resistance of C44300 Admiralty Brass?
A: The addition of 1% tin in the alloys matrix specifically boosts its resistance to dezincification, a form of corrosion affecting typical brasses, making it particularly adept at withstanding aggressive aquatic environments.