Product Summary
- Standard: ASTM B111
- Grade: C44300 (Admiralty Brass, Annealed O61 Temper)
- Dimensions: 19.05 mm OD × 1.65 mm WT × 6100 mm Length
- Type: Seamless Tube
- Finish: Clean, smooth surface – inside and outside
- Testing: 100% Eddy Current Test, Hydrostatic Test upon request
Material Overview – C44300 Admiralty Brass
C44300, commonly referred to as Admiralty Brass, is a copper-zinc alloy with a small amount of tin. It is specifically developed for excellent corrosion resistance in seawater and brine environments, making it ideal for refinery and power station heat exchanger tubes.
| Element | Typical Composition (%) |
|---|---|
| Copper (Cu) | 70.0 – 73.0 |
| Zinc (Zn) | Remainder |
| Tin (Sn) | 1.0 – 1.5 |
| Iron (Fe) | ≤ 0.06 |
| Lead (Pb) | ≤ 0.07 |
Mechanical Properties (as per ASTM B111 O61)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 241 MPa (35 ksi) |
| Yield Strength | ≥ 69 MPa (10 ksi) |
| Elongation (min) | ≥ 30% |
| Hardness | HRB ≤ 60 |
Key Advantages
- Excellent resistance to dezincification and stress corrosion
- Long service life in oil refinery cooling systems
- Superior heat transfer efficiency
- Easily expanded or bent for tube sheet installations
- 100% Eddy Current Test (ECT) for flaw detection
Industry Applications
| Industry | Application |
|---|---|
| Oil & Gas Refining | Condenser & Cooler Tube Bundles |
| Petrochemical | Waste heat recovery units |
| Seawater Desalination | Evaporator tubes |
| Power Plants | Boiler and condenser tubes |
Certifications & Documentation
- ASTM B111 Material Certificate (EN 10204 3.1 / 3.2 available)
- Eddy Current Test Report
- Dimensional Inspection Report
- Mill Test Certificate (MTC)
- Packing List and Invoice for customs clearance
Packaging
- Tubes are sealed with plastic end caps
- Bundled in wooden crates with anti-rust wrapping
- Labels with full traceability (Heat No., Size, Quantity, etc.)
- Suitable for sea shipment to Turkey and global destinations
- Admiralty Brass Tube C44300
- ASTM B111 C44300 Seamless Tube
- 19.05mm brass condenser tube
- Oil refinery heat exchanger tube
- Turkey oil refinery brass tube supplier
- Tin brass seamless tube
- O61 brass tube with eddy current test
- Marine condenser brass pipe
Contact DLSS for Project Supply
Need ASTM B111 C44300 Admiralty Brass Tubes for your refinery project?
Email: info@dlsspipe.com
Website: www.dlsspipeline.com
We support full technical support, drawing submission, and custom lengths or thicknesses per project requirement.
