Copper Nickel 70/30 pipe

Welded Pipes
Seamless Pipes

Specification

Standards ASTM, AISI, JIS, DIN, EN, SUS, GB
Types Welded, Seamless, ERW, Fabricated, CEW, CDW, CDS, DOM
Size range 8" NB to 24" NB
Production technique Decoiling, Punching, Bending, Welding,  Cutting, Moulding
Form Round, Hydraulic,  Coiled,  Square,  U Shape,  Rectangular,  Straight,  Honed Tubes,  Pan Cake Coils
Thickness Range SCH 10, SCH 160, SCH XXH, SCH XXS, SCH 5, SCH 40, SCH XS, SCH 80S, SCH 80
Custom Size/Thickness Available
End Treaded, Beveled End, Plain End
Surface Finish 8K,  1D,  No.3,  180G,  BA,  No.4,  500G,  No.1,  Mirror Polished,  320G,  HL,  No.8, 400G,  2B,  600G or 800G Mirror finish Tubing,  2D,  400G Satin/ Hairline or Custom Finish as per customer's specification.
Marking Standard
Name of Manufacturer
Schedule
Pressure Class
Tube Size, etc
Test Certificates
Third Party Inspection Report
Manufacturer Test Certificate
Raw Materials Certificate
100% Radiography Test Report
Laboratory Test Certificate from Govt. Approved Lab
EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)

Chemical Composition of Copper Nickel 70/30 Pipes 

Grade Cu Mn Pb Ni Fe Zn
Cu-Ni 70-30 65.0 min 1 max .05 max 29-33 0.4-1.0 1 max

Mechanical Properties of Cu-Ni 70/30 Pipes 

Properties Metric Imperial
Tensile strength, ultimate 372-517 MPa 54000-75000 psi
Tensile strength, yield (depending on temper) 88.0-483 MPa 12800-70100 psi
Elongation at break (in 381 mm) 45.0% 45.0%
Charpy impact 107 J 78.9 ft-lb
Machinability (UNS C36000 (free-cutting brass) = 100%) 20% 20%
Shear modulus 57.0 GPa 8270 ksi
Poisson's ratio 0.34 0.34
Elastic modulus 150 GPa 21800 ksi

Physical Properties of Cupro Nickel 70/30 Pipes 

Properties Metric Imperial
Density 8.94 g/cm3 0.323 lb/in3
Melting point 2140°F 1171°C

Application

Aerospace

Cleaning Factories

Food Processing

Food Processing

Oil and Gas

Oil and Gas

Pharmaceutical

Pharmaceutical

Power Plant

Power Plant

Ship Building

Ship Building

Water Systems

Water Systems

Refinery

Refinery