ASTM B111 C44300 Seamless Copper Alloy Tubes Superior Heat Transfer Saltwater Corrosion Resistance for Marine Heat Exchangers Boilers Condensers

ASTM B111 C44300 Seamless Copper Alloy Tubes

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Material & Chemical Composition

C44300 (CuZn28Sn1) is a high-performance admiralty brass alloy combining copper, zinc, and tin. Key components:

Key Specifications

Chemical Composition (%)

Manufacturing Process

Exceptional Thermal Conductivity: 109 W/m·K (3x higher than carbon steel), ideal for rapid heat exchange.
Superior Saltwater Resistance: Withstands marine corrosion and biofouling, perfect for ship condensers and desalination plants.
High-Temperature Stability: Operates reliably up to 250°C.
Seamless Precision: Cold-drawn manufacturing ensures uniform wall thickness (±5%) and leak-free performance.

Applications

✅ Marine Heat Exchangers (Condensers, Coolers)
✅ Power Plant Boilers & Turbines
✅ Oil & Gas Refinery Pipelines
✅ Chemical Processing Equipment

Why Choose YUHONG’s C68700 Tubes?

55 Production Lines: Guaranteed 12-day lead time for standard sizes.
Anti-Biofouling Design: Arsenic-doped alloy prevents microbial growth in seawater.
Certifications: EN 10204 3.2, KOSHA, and PED 2014/68/EU compliant.

FAQ

Q: What are the available sizes?
A: Standard OD: 10mm~100mm | Wall Thickness: 1mm~10mm | Custom lengths (1m~12m) supported.

Q: Do you provide anti-corrosion surface treatment?
A: Yes, optional passivation or tin plating for enhanced protection.

Q: What certifications do your tubes comply with?
A: Full ASTM B111, EN 12451, and ASME SB111 compliance with Mill Test Certificates (MTC).

Why Yuhong Holding Group?

As a trusted partner to clients in 80+ countries, we offer:

55 Advanced Production Lines: 20,000㎡ facility with ISO 9001-certified processes.
End-to-End Solutions: From raw material sourcing to precision machining and global logistics.
Competitive Pricing: Bulk order discounts and flexible payment terms (T/T, LC).
24/7 Technical Support: Expert guidance on material selection and application design.
Explore more at www.steelfintube.com or contact us for a quote today!

Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories,  the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always.   The factories already got certificates like : ABS, LR, DNV-GL, BV, KR, CCS, ASME, ISO 9001, ISO14001, ISO18001, ect.

Our factories main products as below : 
Factory 1th: Stainless steel seamless tube, Duplex steel seamless tube, Super duplex steel seamless tube, Nickel alloy steel seamless tube;

Factory 2th: Carbon steel seamless tube, Alloy steel seamless tube; Enhanced Heat Tranfer Tube, low fin tube ,U bending workshop;
Factory 3th: High frequency welding fin tube(HFW fin tube, Solid Fin tube, Studded Tube, Serrated Fin tube, Longitudinal welding fin tube), Wound fin tube(L type fin tube, LL type fin tube,  KL type fin tube), Embedded G type fin tube , Extruded fin tube,  low fin tube, U bend & 180deg. Return;

Yuhong Holding Group also has gained rich experience for project package( products contain:Pipes, Fittings, Flanges, heat exchanger, furnace, fired heater, air cooler, boiler) , YUHONG brand has marked its global presence in more than 85 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand, Singapore, Malasyia, Indonesia, Thailand, Vietnam, Ukraine, Turkey,Sauid Arabia, Qatar, U.A.E,Israel,India, UK, France, Italy, Gernmany, Poland, Spain,... We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers as stockists around the world.