C44300 Brass Tube
C44300 brass is a type of copper-zinc alloy that contains small amounts of other elements such as tin and arsenic. It is commonly used for its excellent corrosion resistance and thermal conductivity, making it suitable for various applications in the plumbing, HVAC, and electrical industries.
C44300 brass tube is a type of hollow cylindrical tubing made from this alloy, which is often used in the manufacturing of heat exchangers, evaporators, condensers, and other industrial equipment that require good thermal conductivity and corrosion resistance. These tubes can be easily formed, brazed, or soldered, making them an excellent choice for complex and customized designs.
C21000 is a copper-zinc alloy also known as Gilding metal, which contains a higher percentage of copper than C44300 (approximately 95% copper and 5% zinc). It is often used for architectural applications, such as roofing and ornamental work, due to its attractive golden color and excellent corrosion resistance. C21000 is also commonly used in ammunition casings and various electrical components due to its good conductivity.
On the other hand, C44300 contains a smaller percentage of copper and a higher percentage of zinc, as well as small amounts of other elements like tin and arsenic. This makes it more suitable for applications that require good thermal conductivity and corrosion resistance, such as heat exchangers, evaporators, and condensers. Additionally, C44300 has better cold working properties than C21000, which makes it easier to form and shape.
In summary, while both C44300 and C21000 are copper alloys, they have different compositions and properties that make them suitable for different applications. The choice between them depends on the specific needs of the application, such as the required properties, dimensions, and operating conditions of the material.
| Property | C44300 | C21000 |
|---|---|---|
| Chemical Composition | Copper: 70-73% Zinc: 27-30% Tin: 0.6-1.2% Arsenic: 0.02-0.08% |
Copper: 95% Zinc: 5% |
| Color | Yellowish-red | Golden-yellow |
| Density (g/cm3) | 8.47 | 8.8 |
| Melting Point (°C) | 898-916 | 879-890 |
| Thermal Conductivity (W/m·K) | 124-137 | 91-96 |
| Electrical Conductivity (% IACS) | 28-30 | 13-14 |
| Corrosion Resistance | Excellent | Excellent |
| Cold Workability | Good | Fair |
| Applications | Heat exchangers Evaporators Condensers |
Roofing Ornamental work Ammunition casings Electrical components |
Packing and shipping:
FAQ:
1) How could I get a sample?
A:Before we received the first order, please afford the sample cost and express fee. We will return the sample cost back to you within your first order.
2) Sample time?
A:Existing items: Within 20 days.
3)Are you a trading company or a manufacturer?
A:We are a Chinese manufacturer. We have ISO and ROHS environmental certification. Provide OEM and ODM services.
4) What is your minimum order quantity?
A:Our minimum order is 100PCS.
5)When is your delivery date?
A: The delivery date is about 25 days after receipt of payment.
6) What are your terms of payment?
A: Advance 40% deposit and 60% balance before shipment.
7) How to guarantee the quality of your products?
1) Strict detection during production.
2) Strict sampling inspection on products before shipment and intact product packaging ensured.
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