ASTM B111 C44300 Seamless Copper Alloy Tubes

​

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!