Tiub Gangsa Aluminium C68700

Spesifikasi Produk

The thermal conductivity of C68700 Aluminum Brass Tube reaches 100 W/(m·K)-significantly higher than that of stainless steel (typically 15–25 W/m·K)-enabling faster heat exchange and reducing energy consumption in heat transfer processes.

C68700 exhibits exceptional resistance to impingement corrosion in high-velocity seawater and sand-laden saline water, making it ideally suited for applications in both marine and land-based power plants characterized by high cooling water flow rates.

The trace amount of arsenic (0.02–0.10%) present in C68700 acts as a dezincification inhibitor, effectively preventing the phenomenon of dezincification corrosion in brass when exposed to seawater.

1. TORICH offers custom U-bend tube services, allowing for the customization of dimensions-including bend radius, bend spacing, and straight leg lengths-based on drawings or parameter specifications provided by the client. We are capable of processing U-tube bundles with single or multiple bends to accommodate diverse condenser structural designs.
2. We provide a variety of surface treatments, such as Bright Annealing (BA), pickling and passivation, and anti-rust coatings.
3. In addition to the standard annealed temper (O61), we can supply tubes in various other temper conditions-including light-drawn, hard-drawn, and half-hard-upon customer request.

1. C44300 (Naval Brass):Offers good cost-effectiveness and is suitable for seawater environments of moderate severity; however, its resistance to high-velocity erosion is relatively weak.
2. C70600 (90/10 Copper-Nickel Alloy):Possesses excellent resistance to marine corrosion; it is the preferred material for highly corrosive seawater environments, though its material cost is relatively high.
3. C71500 (70/30 Copper-Nickel Alloy):Best suited for extreme marine environments and high-temperature operating conditions, but it is significantly more expensive.
4. 316L Stainless Steel:Exhibits good overall corrosion resistance; however, its low thermal conductivity results in relatively low heat transfer efficiency in condenser applications.

ASTM B111 C68700 Aluminum Brass U-tubes are engineered for high heat transfer efficiency and corrosion resistance, making them suitable for demanding cooling environments-particularly those involving seawater or highly corrosive cooling media. Typical applications include:

1. Power Generation Industry: Surface condensers in thermal power plants, steam turbine exhaust condensation systems, etc.
2. Marine & Offshore Engineering: Onboard condenser systems and heat exchangers.
3. Petrochemical & Industrial Processing: Condensers and evaporators in chemical plants, cooling systems in fertilizer and ammonia production facilities, etc.

 

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