ASTM B111 Admiralty Brass Tubes Products
ASTM B111 Admiralty Brass Tubes / UNS C44300 Admiralty Brass Tubes
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Dinesh Tube is one of the most prominent manufacturers and suppliers of ASME SB111 UNS C44300 Admiralty Brass Tubes in Italy. It has Admiralty Brass tubes – C44300 – has good corrosion resistance and is specially used for tubing of steam condensers cooled with fresh, salt or brackish water. Admiralty metal tubes are also used for heat exchangers in oil refineries, in which corrosion from sulfur compounds and contaminated water may be very severe, and for feed-water heaters and heat-exchanger equipment as well as other industrial processes. The tubes are manufactured using cutting edge techniques and excellent quality raw materials that are procured from trusted & reliable vendors.
Admiralty Brass is a Copper Zinc Alloy, and contains a small amount of tin and arsenic as well. These admiralty brass tubes are renowned for their characteristic superior corrosion resistance in moderately polluted river water and clean seawater, both stagnant or slow moving water. The most common and wrought form is a tube for heat exchange equipment. These tubes are extensively used in various applications including; evaporators, condensate coolers, heaters, vent condensers, water heaters, generators, air coolers, turbine oil coolers for petrochemicals, ship-building, power plants, desalinations plants etc.
Admiralty brass, which constitutes 30% zinc and 1% tin & inhibits dezincification in most environments, is extensively used material in manufacturing tubes for the transportation of liquids in the coolers and evaporators. Few of the characteristics that are required by this industry includes; high thermal conductivity, light weight, strength, corrosion-resistance tube, long lastingness & durability.
While selecting admiralty brass tubes for various requirements in these industries, a buyer should look for properties that match their requirement & function with precision. Few of the important characteristics that admiralty brass tubes must have are:
- Resistant against tarnishing
- Compactness
- Ease of blending & joining
- Resistance to corrosion
- Lightweight
- Flexibility
All our Admiralty Brass Tubes are rich in attributes such as versatility, corrosion resistance, high thermal conductivity, ease to join and install, capable of providing problem-free performance, and easily maintainable. Dinesh Tube provides customization facilities to design tubes with application-specific features to satisfy the specific requirement of the coolers and evaporators industry.
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ASME SB111 UNS C44300 Admiralty Brass Tubes Specification:
UNS No. | C44300 – BSI No. CZ111 ISO Name CuZn28Sn1 |
Chemical Comp. (%) | Cu 70 ~ 73 / Sn 0.9 ~ 1.2 / Pb 0.07 / Fe 0.06 max / Zn rem / As 0.02 ~ 0.06 |
ASTM Spec. | B 111, B 395 |
ASME Spec. | SB 111, SB 395 |
Applications | Condenser, Evaporator and Heat Exchanger tubes; Distiller tubing. |
Temper | O61 Annealed |
ASME SB111 UNS C44300 Admiralty Brass Tubes Chemical Composition:
Cu | 70.0-73.0 | ||||
Zn | rem. | ||||
Pb | 0.07 max | ||||
Fe | 0.06 max | ||||
Sn | 0.9-1.2 | ||||
As | 0.02-0.08 |
ASME SB111 UNS C44300 Admiralty Brass Tubes Mechanical Properties:
Classification | Temper | Designation | Outside diameter (mm) | Thickness (mm) | Tensile Strength Kgf/mm2 | Elongation (%) | Yield Strength (kg/mm2) | ||||
ASTM JIS Admiralty Brass
Aluminum Brass |
061
061 |
C4430T-O
C4431TS-O |
5mm and over upto and incl 250mm | 0.8mm and over upto and incl 10mm | 32 min | 30min | 11min | ||||
C6870T-O
C6870TS-O |
5mm and over upto and incl 50mm | 0.8mm and over upto and incl 10mm | 36min | 40min | 13min | ||||||
C6871T-O
C6871TS-O C6872T-O |
Over 50mm up to and incl 250mm | 0.8mm and over upto and incl 10mm | 36min | 40min | 13min | ||||||
C6872TS-O |
ASME SB111 UNS C44300 Admiralty Brass Tubes Equivalent Grades:
COMMERCIAL
|
UNS No. |
Copper |
Tin |
Lead |
Iron |
Arsenic |
Zinc |
|
C44300 |
70.0-73.0 |
0.9-1.2 |
0.07 max |
0.06 max |
0.02-0.06 |
remainder |
Physical Properties for C44300 Admiralty Brass:
Density @ 68o F | 0.308 lb/in3 |
Melting Range | 1650-1720o F |
Hot Formability | Fair |
Cold Formability | Excellent |
Machinability rating (C360 = 100) | 30 |
Brazing | Excellent |
Soldering | Excellent |
Gas-shielded arc welding | Fair |
Oxy-acetylene welding | Good |
Carbon-arc welding | Not recommended |
Coated metal-arc welding | Not recommended |
Resistant welding: spot and seam | Good |
Resistance Welding: butt | Good |
Applications for C44300 Admiralty Brass:
Distiller Tubes |
Evaporator Tubes |
Oil Well Pump Liners |
Ferrules |
Condenser Plates |
Bourdon Tubes |
Heat Exchanger Tubes |
C44300 Admiralty Brass test:
- Micro and MacroTest
- Positive Material Identification – PMI Testing
- Hardness Test
- Chemical Analysis – Spectro Analysis
- Intergranular Corrosion (IGC) Test
- Flaring Test
- Flattening Test
- Pitting Resistance Test
- Mechanical Testing Such as Tensile of Area
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