Kencotube is a manufacturer & exporter of Copper Nickel Pipes & Tubes, which has the heating element of constantan or nickel-chromium alloy within a sheath of copper, cupronickel or stainless steel. Copper Nickel Pipes is often used as a single conductor pair of thermocouple conductors such as iron-constantan, copper constantan or nickel-chromium/nickel-aluminum. Copper Nickel Tubes is used in cryogenic applications, where it is the combination of good ductility retention and thermal conductivity at very low temperatures. Cu-Ni Pipes is advantageous for low-temperature processing and storage equipment as well as for heat exchangers at cryogenic plants. Significant properties of Cu-Ni Tubes comprise corrosion resistance, good tensile power, outstanding ductility when annealed, and inherent resistance to macro fouling. Cupronickel Pipes also has thermal conductivity and expansion characteristics amenable for heat exchangers and condensers, good thermal conductivity and ductility at cryogenic temperatures and beneficial antimicrobial touch surface properties.
Cupronickel Tubes have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems. Bullet jackets were commonly made from these Copper Nickel Seamless Pipes, which was soon replaced with gilding metal to reduce metal fouling in the bore. Currently, Copper Nickel Welded Pipes remains the basic material for silver-plated cutlery. Cu-Ni Seamless Pipes is commonly used for mechanical and electrical equipment, medical equipment, zippers, jewelry items, and as material for strings for string instruments. For high-quality cylinder locks and locking systems, cylinder cores are made from wear-resistant Cu-Ni Welded Pipes.
|Specifications||ASTM B466, B111, B469 / ASME SB466, SB111, SB469|
|Dimensions||ASTM, ASME and API|
|Size||1/2" TO 6' IN OD & NB IN Various SWG & SCH|
|Outer Diameter||4.00 to 22.00 mm|
|Wall Thickness||Between 0.15mm and 1.50 mm|
|Type||Seamless / ERW / Welded / Fabricated / LSAW Pipes|
|Length||Single Random, Double Random & Required Length|
|Form||Round, Square, Rectangular, Hydraulic Etc.|
|End||Plain End, Beveled End, Threaded.|
|Grade||UNS NO. C92200 & UNS NO. C83600, UNS NO. C70600 ( CU -NI- 90/10), C71500 ( CU -NI- 70/30), UNS NO C10100, C10200, C10300, C10800, C12000, C12200.|
|Copper Nickel 90/10||2.0872||C70600|
|Copper Nickel 70/30||2.0882||C71500|
|Cupro Nickel 90/10||88.6 min||.05 max||1.0 max||1.8 max||1 max||9-11 max|
|Cupro Nickel 70/30||65.0 min||.05 max||1 max||0.4-1.0||1 max||29-33|
|Grade||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|Cu-Ni 90/10||0.323 lb/in3 at 68 F||2260 F||50000 psi||20000 psi||30 %|
|Cu-Ni 70/30||0.323 lb/in3 at 68 F||2260 F||50000 psi||20000 psi||30 %|
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