Introduction
ASTM B111 C44300 Admiralty Brass Tube is one of the most widely used brass alloys for condensers, heat exchangers, and marine cooling systems. DLSS supplies ASTM B111 C44300 seamless tubes in size 15.87×1.245×3360 mm, delivered in O61 annealed condition and certified by SGS inspection.
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What is ASTM B111 C44300 Admiralty Brass Tube?
ASTM B111 C44300 Admiralty Brass Tube is a copper-zinc-tin alloy with excellent resistance to seawater corrosion and dezincification. The small addition of tin (about 1%) increases strength and durability, making it the preferred choice for power plant condensers, desalination plants, and marine cooling equipment.
Specifications
| Item | Details |
|---|---|
| Standard | ASTM B111 |
| Material | C44300 Admiralty Brass (Copper-Zinc-Tin Alloy) |
| Condition | O61 (Annealed) |
| Type | Seamless Tube |
| Size | 15.87 mm OD × 1.245 mm WT × 3360 mm Length |
| Inspection | Passed SGS Third-Party Inspection |
| Applications | Heat exchangers, condensers, seawater cooling, desalination, power plants |
Key Features of Admiralty Brass Tubes
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Excellent Seawater Resistance – Reliable in brackish and polluted water conditions.
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Dezincification Resistance – Ensures long service life even in aggressive water media.
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O61 Annealed Condition – Provides flexibility and ductility for fabrication into U-tubes or bundles.
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SGS Certified Quality – Independent inspection guarantees international compliance.
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Versatility – Used across marine, petrochemical, and power generation industries.
Applications of ASTM B111 C44300 Admiralty Brass Tube
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Power Plant Condensers – seawater-cooled systems.
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Desalination Plants – resistant to saline water and brine.
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Marine Engineering – shipboard cooling and heat exchanger tubes.
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Industrial Cooling Systems – petrochemical and refinery heat exchangers.
Why Choose DLSS Admiralty Brass Tubes?
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Full product range – C44300, C68700, C70600, C71500 alloys.
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Global projects – supplied to 40+ countries for condensers and seawater systems.
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Complete certification – Mill Test Certificate EN 10204/3.1, SGS/BV/TUV optional.
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Export packaging – tubes capped, wrapped, and packed in ISPM-15 wooden cases.
Frequently Asked Questions (FAQ)
Q1: Why choose ASTM B111 C44300 Admiralty Brass Tube over other brass alloys?
A1: Because it combines corrosion resistance, dezincification resistance, and cost efficiency, making it ideal for seawater service.
Q2: What does O61 mean?
A2: O61 refers to the annealed condition, improving ductility for bending, forming, and fabrication.
Q3: What does SGS inspection cover?
A3: SGS ensures compliance in dimensions, chemical composition, mechanical properties, and surface condition.
