70-30 Cupronickel Tubes
  • Type: 70-30 Cupronickel Tubes
  • Tube Material: Cupronickel Tubes
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70/30 Cupronickel Tubes

Product Description

Datang manufacture, exports and supplies 70/30 Cupro Nickel Tubes which is a 70% copper 30% nickel alloy, offering improved levels of corrosion resistance in marine and salt water environments.

70/30 Cupro Nickel Tube widely used for Heat Exchangers, High Capacity Power Plants, Ship Building & Ship Repairs, Condensers, Offshore Oil rigs, Distiller Tubes, Evaporators.

Technical Specification of 70/30 Cupronickel Tubes :

Standard BS 2871 PART 3 ASTM B-111 DIN 1785 NFA 51 102 JIS H3300 IS 1545
Symbol CN 107 C 71500 CuZn30 Mn 1 Fe CuZn30 Mn 1 Fe C 7150 CuZn30 Mn 1 Fe
Cu Remainder Remainder Remainder Remainder Remainder Remainder
Pb 0.01 0.05 0.03 0.05 0.05 0.05
  Sn+Pb
Ni 30.00-32.0 29.0-33.0 30.0-32.0 29.0-32.0 29.0-33.0 29.0-33.0
Fe 0.4-1.0 0.4-1.0 0.4-1.0 0.4-0.7 0.4-0.7 0.4-1.0
Mn 0.5-1.0 1.0 0.5-1.5 0.5-1.5 0.2-1.0 0.5-1.0
S 0.05 – 0.05 0.02 – –
C 0.06 – 0.30 0.10 – 0.30
Total Impurites Max. 0.30 – 0.1 0.30 Rem (Cu+Ni+Fe+Mn 99.5 Min.) 0.30
Condition M O 61 F 37 – O O
F 42
O HR 50 D
Yield – 125 Min. 120-220
150-260
– – –
Strength – 345 Min.
N/mm2
Tensile – 360 Min. 370 Min. – 363 Min. 360 Min.
N/mm2 – 495 Min. 420 Min. – – 480 Min.
Elongation – 12/15* 35 Min. – 30 Min. –
% – – 30 Min. –
Hardness HV 5 150 – – 90-130 – 115 Max.
  90-120 140 Min.
Grain Size 0.05 Max. – – 010-045 010-045 –
Mm (75X)