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ASTM B111 / ASME SB111 UNS C44300 Admiralty Brass Tube for Heat Exchanger and Condenser
ASTM B111 / ASME SB111 C44300 is composed of chemical elements such as arsenic, iron, tin, copper, lead, and zinc.
Normally made to order to meet engineering requirements, you will find this alloy often times used in oil and gas applications that also require its non corrosive properties. C44300 and C68700 have good corrosion resistance.
ASTM B111 / ASME SB111 UNS C44300 Brass Tube Standard Specification
ASTM B111 Standard Specification for Copper and Copper-Alloy
Seamless Condenser Tubes and Ferrule Stock
ASTM B395 Standard Specification for U-Bend Seamless Copper and
Copper Alloy Heat Exchanger and Condenser Tubes
ASME SB466 Specification for Seamless Copper-Nickel Pipe and Tube
BS 2871-2 Specification for copper and copper alloys. Tubes. Part
2: Tubes for general purposes
EN 12451 Copper and copper alloys - Seamless, round tubes for heat
exchangers
DIN1785 Wrought Copper and Copper Alloy Tubes for Condensers and
Heat Exchangers
GB/T8890 Seamless Copper Alloy Heat Exchanger Tubes
JIS H3300 Copper and Copper Alloy-Seamless Pipes and Tubes
Brass Seamless Tubes Equivalent Material
Grade | USA | U.K | Germany | Japan |
China BG | ASTM B111 | BS 2871 | DIN 1785 | JIS H3300 |
HAL77-2 | C68700 | CZ110 | CuZn20Al2As | C6870 |
HSn70-1 | C44300 | CZ111 | CuZn28Sn1As | C4430 |
H68A | - | CZ126 | - | - |
H65A / H63 | C28000 / C27200 | CZ108 | CuZn26/CuZn37 | C2800/C2700 |
| Material Designation | Corresponding Material Symbol | ||||
| GB/T8890 | ASTM B111 | BS2871 | JIS H3300 | DIN 1785 | |
| Copper-Nickel | BFe10-1-1 | C70600 Pipe | CN102 | C7060 | CuNi10Fe1Mn |
| BFe30-1-1 | C71500 Pipe | CN107 | C7150 | CuNi30Mn1Fe | |
| (BFe30-2-2) | C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | |
| (BFe5-1.5-0.5) | C70400 | – | – | – | |
| B7 | – | – | – | – | |
| Aluminium Brass | HAL77-2 | C68700 Tube | CZ110 | C6870 | CuZn20Al2 |
| Admiralty Brass | HSn70-1 | C44300 Tube | CZ111 | C4430 | CuZn28Sn1 |
| Boric Brass | Hsn70-18 | – | – | – | – |
| HSn70-1 AB | – | – | – | – | |
| Arsenical Brass | H68A | – | CZ126 | – | – |
| Brass Tubes | H65/H63 | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 |
Which Chemical Elements are Present in SB111 C44300?
Zinc and copper constitute the main elements present in SB111 C44300 material. 30% of this material is zinc, while 70% is copper.
However, there are other insignificant elements present in SB111 C44300, including lead, iron, and manganese.
ASTM B111 / ASME SB111 C44300 brass tube Mechanical Properties
| Properties | Measurement |
| Yield strength | 105 MPa |
| Melting point | 899 ~ 938 °C |
| Tensile strength | 310 MPa |
| Thermal conductivity | 109 W/m-K @ 20.0 °C |
| Density | 8.53 g/cc |
| Heat capacity | 0.09 cal/g-°C @ 20ºC |
| CTE linear strength | 20.2 10-6/°C @ 20.0 – 300 °C |
Applications
Brass tube are widely used in air-conditioning and refrigeration field service,heat exchange use, connecting tubes,distribution,fire protection,solar,
natural gas,liquefied petroleum gas,vent piping.
