UNS C44300 Admiralty Brass Tube PDF
What is ASTM B111 C44300 copper tubing?
C44300 Admiralty Brass Tube & Pipe is made from Copper alloyed with Tin and Zinc. It is sometimes referred to as Arsenical Brass. C44300 Admiralty Brass Tube is primarily used in water heaters, heat exchanger applications and other similar equipment. C44300 Admiralty Brass Tube has good corrosion resistance, excellent heat transfer properties and is also used in Steam Condensers cooled with salt water, fresh water, or brackish water. ASTM B111 C443000 Admiralty Brass Tube has additional applications in Oil and Gas systems as well where corrosion resistance is a key attribute. Other applications include Evaporator Tube, Distiller Tube, and Bourdon Tube.
Size Chart Of Admiralty Tube
| MATERIAL | TYPE | THICKNESS min | OUTSIDE DIAMETER | LENGTH |
|---|---|---|---|---|
| Admiralty Brass | Round Straight Tubes | 0.508 mm (0.020") | 4.76mm (3/16") to 104.78mm (4.1/8") | 15mtr Max Straight Length |
| Thickness | B.W.G | 0.625 | 0.500 | 0.750 | 1.750 | 1.000 | 1.500 | 0.875 | 1.250 | 2.000 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.120 | 11 | 0.385 | 0.260 | 0.510 | 1.510 | 0.760 | 1.260 | 0.635 | 1.010 | 1.760 |
| 0.134 | 10 | 0.357 | 0.232 | 0.482 | 1.482 | 0.732 | 1.232 | 0.607 | 0.982 | 1.732 |
| 0.109 | 12 | 0.407 | 0.282 | 0.532 | 1.532 | 0.782 | 1.282 | 0.657 | 1.032 | 1.782 |
| 0.083 | 14 | 0.459 | 0.334 | 0.584 | 1.584 | 0.834 | 1.334 | 0.709 | 1.084 | 1.834 |
| 0.095 | 13 | 0.435 | 0.310 | 0.560 | 1.560 | 0.810 | 1.310 | 0.685 | 1.060 | 1.810 |
| 0.072 | 15 | 0.481 | 0.356 | 0.606 | 1.606 | 0.856 | 1.356 | 0.731 | 1.106 | 1.856 |
| 0.058 | 17 | 0.509 | 0.384 | 0.634 | 1.652 | 0.884 | 1.384 | 0.759 | 1.134 | 1.884 |
| 0.065 | 16 | 0.495 | 0.370 | 0.620 | 1.634 | 0.870 | 1.370 | 0.745 | 1.120 | 1.870 |
| 0.049 | 18 | 0.527 | 0.402 | 0.652 | 1.666 | 0.902 | 1.402 | 0.777 | 1.152 | 1.902 |
| 0.035 | 20 | 0.555 | 0.430 | 0.680 | 1.686 | 0.930 | 1.430 | 0.805 | 1.180 | 1.930 |
| 0.042 | 19 | 0.541 | 0.416 | 0.666 | 1.680 | 0.916 | 1.416 | 0.791 | 1.166 | 1.916 |
| 0.032 | 21 | 0.561 | 0.436 | 0.686 | 1.620 | 0.936 | 1.436 | 0.811 | 1.186 | 1.936 |
| 0.025 | 23 | 0.575 | 0.450 | 0.700 | 1.700 | 0.950 | 1.450 | 0.819 | 1.200 | 1.950 |
| 0.028 | 22 | 0.569 | 0.444 | 0.694 | 1.694 | 0.944 | 1.444 | 0.825 | 1.194 | 1.944 |
| 0.022 | 24 | 0.581 | 0.456 | 0.706 | 1.706 | 0.956 | 1.456 | 0.831 | 1.206 | 1.956 |
Grade of Admiralty Brass Tubes
|
UNS No. |
C44300 |
|
Chemical Comp.(%) |
Cu 70 ~ 73 / Sn 1.0 ~ 1.5 / As 0.02 ~ 0.06 / zn rem |
|
ASTM Spec. |
B111, B 395 |
|
ASTM Spec. |
SB111, SB395 |
|
Applications |
Heat Exchange |
|
Hardness |
75 - 150 |
|
Porperties * |
Metric |
|
Density |
8.53 g/cc |
|
Tensile Strength, min. |
310MPa |
|
Yield Strength, min. |
105MPa |
|
CTE,linear |
20.2 10-6/℃ @ 20.0 - 300℃ |
|
Specific Heat Capacity |
0.09 cal/g-℃ @ 20℃ |
|
Thermal Conductivity |
109 W/m-K @ 20.0℃ |
|
Meiting Point |
899 ~ 938℃ |
C44300 Applications in HVAC and Power Generation
Surface condensers for thermal power plants – Surface condensers where steam from turbines is condensed into water for reusing calls for Admiralty Brass. Its thermal efficiency guarantees lowest possible energy loss and maximum water recovery. It also resists corrosion in treated as well as untreated cooling water.
Cooling systems in geothermal installations – Admiralty Brass finds use in cooling systems exposed to naturally corrosive geothermal fluids in geothermal power plants. It works consistently in high-mineral settings where traditional metals might break down. This makes it advantageous for activities involving long-term, sustainable energy extraction.
Evaporator and condenser units in industrial chillers – Admiralty Brass is used in evaporator and condenser units of industrial chillers to provide good heat exchange. The resistance of the material to corrosion and fouling extends running cycles and reduces downtime. Its constant performance helps industrial and processing sectors to control temperature.
Heat recovery steam generators – Admiralty Brass increases the energy reusing system efficiency in heat recovery steam generators (HRSGs). For uses including heating or power, it converts waste heat from exhaust gasses into usable steam. The alloy's temperature and pressure resistance aids environmentally friendly energy generation.
Industrial and Chemical Plants
Heat exchangers in petrochemical refineries – Admiralty Brass heat exchangers help Petrochemical refineries control heat transmission in corrosive and volatile operations. It guarantees safety and effectiveness by resisting breakdown from hydrocarbons and chemical vapors.
Our spot inventory
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Founded in 2008, we are a leading professional exporter specializing in a comprehensive range of high-quality copper products for global markets. Our core product portfolio encompasses various forms and specifications to meet diverse industrial needs.
Copper Tubes & Pipes:
We supply both Copper Seamless Tubes (ASTM B68, B75) and Copper Welded Tubes, including Pure Copper Tubes (C11000, C12200), Brass Tubes (C23000, C26000, C28000), and specialized Admiralty Brass Tubes (C44300) for superior corrosion resistance in heat exchanger applications. Our offerings comply with key ASTM standards such as ASTM B88 for seamless water tube and ASTM B111 for condenser tubes.
Copper Sheets & Plates:
Our range covers from thin-gauge Thin Copper Sheet (ASTM B152) to heavy-duty Thick Copper Plate, available in alloys like Pure Copper (C11000), Brass Sheet (C26000), Phosphor Bronze Sheet (C51000, C52100), and corrosion-resistant Admiralty Brass Sheet/Plate (C44300).
Copper Rods & Bars:
We provide Copper Round Rod, Copper Square Bar, Copper Hexagon Bar, and Copper Flat Bar in various tempers. Products include Free-Cutting Brass Rod (C36000 per ASTM B16), Oxygen-Free Copper Rod (C10100/C10200, ASTM B187), Beryllium Copper Bar (C17200, ASTM B196), and Admiralty Brass Rod (C44300).
Copper Wires & Strips:
Our Copper Wire products include Bare Copper Wire (ASTM B1/B2/B3), Enamelled Copper Wire, and Brass Wire. We also supply precision Copper Strip (C11000, C26800), Brass Strip, and Admiralty Brass Strip (C44300) for electrical, marine, and fabrication applications.
