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70/30 Cupro Nickel Tubes


70/30 Cupro Nickel Tubes


We supply and stock a wide assortment of 70/30 Cupro Nickel Tubes. Our wide array of 70/30 Cupro Nickel Tubes is extensively demanded in Heat Exchangers, High Capacity Power Plants, Ship Building & Ship Repairs, Condensers, Offshore Oil rigs, Distiller Tubes, Evaporators, and Ferrules. These are available with us in different wall thickness and other characteristics. Avail these 70/30 Cupro Nickel Tubes from us in excellent packaging materials.

Wall Thickness
  • 12% - wall thickness upto 1.21 mm
  • 15% wall thickness over 1.21 mm

Characteristics Of Copper Nickel
A Copper Nickel alloy having small amount of iron and manganese to improve corrosion resistance in high velocity (from 1 to about 4 mtrs/sec.) waters, including sea water. The alloy is relatively insensitive to stress corrosion. It has good cold and hot working properties and is readily weldable.

70/30 Cupro Nickel Tubes Are Used In
  • Heat exchangers
  • Gas plants
  • Power plants
  • Refrigeration

»Technical Specifications


StandardBS 2871 Part 3ASTM B-111DIN 1785NFA 51 102JIS H3300IS 1545
SymbolCN 107C 71500CuNi30 Mn 1 FeCuNi30 Mn 1 FeC7150CuNi 30 Mn 1 Fe
CuRemainderRemainderRemainderRemainderRemainderRemainder
Pb0.010.050.030.05 Sn + Pb0.050.05
Ni30.00 - 32.029.0 - 33.030.00 - 32.029.0 - 32.029.0 - 33.029.0 - 33.0
Fe0.4 -1.00.4 -1.00.4 -1.00.4 - 0.70.4 - 0.70.4 -1.0
Mn0.5 - 1.010.5 - 1.50.5 - 1.50.2 - 1.00.5 - 1.0
Zn-10.50.50.50.5
S0.05-0.050.02--
C0.06-0.050.06--
Total Impurities Max.0.3-0.30.1Rem ( Cu+Ni+Fe+Mn 99.5 Min.)0.3
ConditionM
O
O61
HR 50
F37
F42
-
O
O
D
Yield
Strength
N/ mm2
-
-
-
125Min
345 Min
120 - 220
150- 260
-

-

-
-
-
Tensile
N / mm2

-
360 Min
495 Min
370 Min
420 Min
-
363 Min.
360 Min.
480 Min.
Elongation
%
-
-
12/15*
35 Min
30 Min
 
-
30 Min
-
Hardness HV 5150
90-120
-
-
90-130
-
115 Max 140 Min
Grain size
Mm (75X)
0.05 Max--.010 - .045.010 - .045-

Note : * 12% - wall thickness upto 1.21 mm, including : 15% wall thickness over 1.21 mm

Guide to the selection of tube material :
  • Clear, river, Lake or canal Water :
    • Dissolved salts from 10000 ppm
    • Absence of abrasive suspended solids
    • Polluted with H2S and Ammonia
  • Permissible average velocity of water 3 - 4 meters/sec

Products

E-Mail : info@vijaysteelhouse.com     Phone No. : +91-22-22421273 / 66362256     Mobile No. : +91-9819328077     Fax No. : +91-22-22421266

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