C17200 BeCu / Alloy 25 Tube

C17200 BeCu tube offers supreme advantages for downhole directional tools, including high fatigue strength, conductivity, hardness, and corrosion resistance. Learn more about the properties and benefits of using this high precision tube for instrumentation pressure barrels and battery housings used in downhole measurement while drilling (MWD) and logging while drilling, centralizers, and wire line oilfield tools among other oil & gas components. For a full-service experience, explore the metal processing services available from voestalpine Specialty Metals, your one-stop shop for all your supply chain needs.

Chemical Composition (Weight Percent)

C17200 BeCu, also known as Alloy 25,is engineered with a precise blend of alloy elements that work together to deliver superior performance:

  • Beryllium: Between 1.80 to 2.00
  • Nickel and cobalt: 0.20 minimum
  • Nickel, cobalt, and iron: 0.6 maximum
  • Copper: Balance

Stocking Dimensions

At voestalpine Specialty Metals North America, we carry 1.875” OD X 1.500” ID, 1.875” OD X 1.125” ID, and 2.00” OD X 1.63” ID tubing sizes to meet your specialized industrial needs.
Need a different stocking dimension? If alloy 25 tubing doesn’t fit your specific application, explore our C17200 BeCu / Alloy 25 bar stock or other specialty metal products.

Benefits of Beryllium Copper C17200 – Alloy 25

Advantages of C17200 BeCu include:

  • Exceptional strength and hardness
  • Excellent thermal conductivity
  • Non-magnetic
  • Non-galling properties
  • Machinability
  • High corrosion resistance

Strength, conductivity, ductility, corrosion resistance, machinability, and low friction properties make BeCu alloys ideal for downhole directional drilling tool applications.

Oil & Gas Applications of Alloy 25 Tube

While beryllium copper C17200 – Alloy 25 tubing is suitable for many industries and applications, it’s commonly used for the following components in oil & gas:

  • MWD/ LWD Battery Housing
  • MWD/LWD Electronics Housing
  • MWD/LWD Pressure Barrels
  • MWD centralizers

The oil and gas industry and aerospace industry in particular use BeCu C17200 tubing for reliable protection and function.

Learn More About C17200 BeCu Tube

vSM is a premier provider of alloys with over 300 years of expertise in specialty metals. Request a quote for C17200 BeCu tube and other specialty metal products that meet your materials specifications.

Specification/Condition

  • UNS172000, NACE M1075, ASTM B196/ASTM B251/ ASTM B643 / Cond AT & HT /

Applications

  • downhole directional tools
  • M/LWD pressure housings
  • drill bit bearings
  • subsea actuator stems
  • subsea xmas trees
  • assisted lift pumps

Technical Data (AT/HT)

TemperYield Strength  (KSI)Tensile Strength (KSI)Elongation (EL)Hardness (HRC)
AT145-175 (up to 3″ dia.)
130 – 175 (over 3″ dia.)
165-2004-10 (up to 3″ dia,)
3-10 (over 3″ dia.)
36
HT155-195 (3/8″ to 1″ dia.)
145-190 (1″ to 3″ dia.)
180-220 (3/8″ to 1″ dia.)
175-215 (1″ to 3″ dia.)
2-9 (3/8″ to 1″ dia.)
4-9 (1″ to 3″ dia.)
36

Stocking Dimensions

  • Bar: 0.750″ – 5.500″OD
  • Tubing: various configurations

Chemical Composition (Wt %)

Beryllium(Be)Nickel + Cobalt(Ni+Co)Nickel + Cobalt + Iron(Ni+Co+Fe)Cobalt(Co)Nickel(Ni)Iron(Fe)Silicon(Si)
1.80 – 2.000.200 – 0.3500.600 Max0.200 Min0.100 Max0.100 Max0.150 Max
Aluminum(Al)Tin(Sn)Zinc(Zn)Chromium(Cr)Lead(Pb)Copper(Cu) 
0.100 Max0.050 Max0.050 Max0.010 Max0.010 MaxBalance 
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