GNEE can provide the form
Material Grade:
| Material Designation | Corresponding Material Symbol | ||||
| ASTM B111 | BS2871 | JIS H3300 | DIN1785 | GB/T 8890 | |
| Copper Nickel | C70600 | CN102 | C7060 | CuNi10Fe1Mn | BFe10-1-1 |
| C71500 | CN107 | C7150 | CuNi30Mn1Fe | BFe30-1-1 | |
| C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | BFe30-2-2 | |
| C70400 | - | - | - | BFe5-1.5-0.5 | |
| - | - | - | - | B7 | |
| Aluminium Brass | C68700 | CZ110 | C6870 | CuZn20AL2 | HAL77-2 |
| Admiralty Brass | C44300 | CZ111 | C4430 | CuZn28Sn1 | HSn70-1 |
| Boric Brass | - | - | - | - | Hsn70-1B |
| - | - | - | - | Hsn70-1 AB | |
| Arsenical Brass | - | CZ126 | - | - | H68A |
| Brass Tube | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 | H65/H63 |
ASTM B111 ASME SB 111 C44300 Admiralty Brass is ideal for heat exchanger tubes. Normally made in order to meet engineering requirements, you will find this alloy often be used in oil and gas applications that require its non corrosive properties. C44300 and C68700 have good corrosion resistance. C44300 Admiralty Brass Seamless Tubes Tensile strength minimum is 310Mpa, Yield Strength minimum is 105Mpa.
ASTM B111 / ASME SB 111 C44300 Admiralty Brass Chemical Composition
| Elements | Composition, % |
| Cu, incl. Ag | 70.0-73.0 |
| Sn | 0.9-1.2 |
| Al | – |
| Ni, incl. Co | |
| Pb | 0.06 max |
| Fe | 0.07 max |
| Zn | Balance |
| Mn | – |
| As | 0.02-0.06 |
| Sb | – |
| P | – |
| Cr | – |
| Other named elements | – |
ASTM B111 / ASME SB 111 C44300 Admiralty Brass 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 |
Advantage of CuNi Tubes:
Simple alloying system with good weldability
Excellent ductility and toughness
Outstanding erosion corrosion performance
Resistant to uniform and localised corrosion
No effect of ambient seawater temperatures
No effect of seawater chlorination
Resistant to biofouling
Resistant to stress-corrosion cracking
Low maintenance costs
A lot of design experience
Applications:
Onshore and Off-Shore Applications
Ship-building
Petrochemicals
Gas Processing
Specialty Chemicals
Pharmaceuticals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment
Heat Exchangers
Condensers
Sea water cooling
Products provided by GNEE
| Product Category | UNS Numbers | Typical Sizes | Thickness/Diameter | Available Forms | Surface Treatment |
|---|---|---|---|---|---|
| Pure Copper | C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10900, C11000, C11100, C11300, C11400, C11500, C11600, C12000, C12200 | 1000-6000mm (length) | 0.1-200mm | Sheet, Plate, Strip, Foil | Mill finish, Polished, Bright annealed, Oiled, Brush finished |
| Brass Alloys | C21000, C22000, C23000, C24000, C26000, C26800, C27000, C27200, C28000, C33000, C33200, C33500, C34000, C34500, C35000, C35300, C35600, C36000, C36500, C37000, C37700, C38500 | 500-4000mm (length) | 0.05-150mm | Rod, Bar, Wire, Tube | Polished, Chrome plated, Lacquered, Satin finish |
| Bronze Alloys | C51000, C52100, C52400, C53400, C54400, C63000, C63200, C64200, C65100, C65500, C65700, C67300 | 1000-3000mm (length) | 0.2-100mm | Bar, Rod, Plate, Strip | Polished, Oxidized, Oiled, Ground |
| Copper-Nickel | C70400, C70600, C71000, C71500, C72200 | 2000-6000mm (length) | 0.5-250mm | Tube, Plate, Sheet | Pickled, Passivated, Polished |
| Phosphor Bronze | C50100, C50500, C50700, C51000, C51100, C51900, C52100, C52400 | 500-2000mm (length) | 0.05-50mm | Strip, Wire, Sheet | Polished, Tin plated, Natural |
