ASTM-B111 C71500 Copper Nickel Seamles Tube BFe30-1-1 / CuNi30Mn1Fe / CUNI 70/30 tube
We are the Trusted Supplier of ASTM B111 UNS C71500 Copper Nickel Seamless Tubes in China
Typical Specification: outside diameter (O.D.) = 3/4″ = 19.05 mm, wall thickness (W.T.) = 16 BWG = 1.65 mm, length = 20 feet = 6096 mm
ASTM B111 UNS C71500 (CUNI: 70%30%)
OD=3/4 Inch (19.05 mm) BWG=18 (1.24 mm) length: 8026mm.
Standards: ASTM B111/ ASME SB111,
ASTM B111 / B111M – 18a 
Standard Specification for Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock
Size range:
OD 2.0 to 350mm,
WT 0.3 to 50mm,
Length 18m or as request.
Testing: 100% Eddy Current Testing, 100% hydraulic Testing.100% UT TEST
Delivered in straight lengths or as U-bent tubes.
We also supply copper alloy complementary products for heat exchanger applications.
Finned Tube,Tubesheet, EEMU 146 pipe fitting, EEMU 145 pipe flange etc.
| Type of product | Grade(s) | Technical requirements * according to |
| Copper tube/ pipe | UNS C12200 | ASTM B111, ASME SB111 ASTM B135, ASME SB135 ASTM B251, ASME SB251 BS EN 1057 or closer |
| Brass tube/pipe | UNS C23000, UNS C26200 … UNS C44300, UNS C68700 … |
|
| Cupronickel tube/pipe | UNS C70600, UNS C71500 UNS C71640 |
Application range: Copper-Nickel Alloy tube for condenser and heat-exchangers, Water Evaporators, Boiler Blowdown Heat Exchangers, air coolers, Gland Steam Condensers, Steam Ejector, Turbine Oil Coolers, Fuel Oil Heaters, Compressed Air Inter and After Coolers, Ferrules, Oil Well Pump Liner, and Distiller etc.
Copper Nickel tubes,CUNI 70/30 – C71500 – has, in general, the best resistance of any of the copper alloys to impingement attack and to corrosion from most acids and waters. It is being used in severe corrosive conditions in which service lives longer than those of other copper alloys are desired.
| UNS No. | C71500 – BSI No. CN107 – ISO Name CuNi30Mn1Fe |
| Chemical Comp. (%) | Cu rem / Ni 29 ~ 33 / Pb 0.05 / Fe 0.40 ~ 1 / Zn 1 max |
| ASTM Spec. | B 111, B 359, B395, B 466, B 467, B 543, B 552 |
| ASME Spec. | SB 111, SB 395, SB 466 |
| Applications | Condenser, Evaporator and Heat Exchanger tubes; Distiller tubing; Salt Water piping. |
| Temper | O61 Annealed / HR50 Drawn & Stress Relieved |
ASTM B 111 C71500 Properties
| Properties * | Metric | English |
| Density | 8.94 g/cc | 0.323 lb/in³ |
| Tensile Strength min.- O61 -/- HR50 | 360 MPa -/- 495 MPa | 52 ksi -/- 72 ksi |
| Yield Strength min.- O61 -/- HR50 | 125 MPa -/- 345 MPa | 18 ksi -/- 50 ksi |
| CTE, linear | 16.2 10-6/°C @ 20.0 – 300 °C | 9.0 10-6/°F @ 70.0 – 570 °F |
| Specific Heat Capacity | 0.09 cal/g-°C @ 20ºC | 0.09 BTU/lb-°F @ 70ºF |
| Thermal Conductivity | 29 W/m-K @ 20.0 °C | 17 BTU/ft2/ft/h/°F @ 70.0 °F |
| Melting Point | 1171 – 1238 °C | 2140 – 2260 °F |
