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ASTM B111 C71640 Copper Nickel Pipe , Heat Exchanger Seamless Alloy Steel Tube

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ASTM B111 C71640 Copper Nickel Pipe , Heat Exchanger Seamless Alloy Steel Tube

Brand Name : Joyruns

Model Number : 6mm to 88.9mm

Certification : ISO9001

Place of Origin : Changzhou

MOQ : 2Tons

Payment Terms : L/C, T/T

Supply Ability : 1500Tons/Month

Delivery Time : 20days

Packaging Details : wooden box packing

Standard : ASTM B111, DIN1785,JIS H3300,BS 2871 CZ110

Material : C68700/CuZn20AL2/CZ110/C71000

OD Size : 6mm to 89mm

WT : 0.7mm to 3mm

Length : 12m

Type Of Productis : Seamless Tube, Welded Tube , Copper Fin Tube

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ASTM B111 C71640 Copper Nickel Tube for heat exchanger applications

66-30-2-2 Cu-Ni (C71640, CW353H) Tube is a modified version of 70-30 alloy tube and contains 2% iron and 2% Mn and can withstand higher flow rates than 90-10 and 70-30. The other important note is that it has slightly less resistance to localized corrosion. These C71640 products are mainly used as condenser tubing. Commercially, UNS C71640 condenser tubes are mainly in demand by Industrial Plants. It was originally developed for higher resistance to erosion-corrosion in the presence of suspended solids and has been extremely successful in multi-stage flash desalination plants, particularly in the heat rejection and brine heater sections.

Steel Grade

 Cu Sn Al As Ni Fe Mn Pb Zn
C70400 Remain - - - 4.8-6.2 1.3-1.7 0.3-0.8 0.05 max 1.0 max
C70600 Remain - - - 9.0-11.0 1.0-1.8 1.0 max 0.05 max 1.0 max
C71500 Remain - - - 29.0-33.0 0.4-1.0 1.0 max 0.05 max 1.0 max
C71640 Remain - - - 29.0-32.0 1.7-2.3 1.5-2.5 0.05 max 1.0 ma

Steel Grade Temper Tensile Strength Mpa Yield Strength Mpa

Elongation

%

Expansion

Requirement

%

Grain Size

mm
Min Min Max Min Min Min Max
C70400 061 260 85 - - 30 0.01 0.045
H55 275 205 - - 20 - -
C70600 061 275 105 - - 30 0.01 0.045
H55 310 240 - - 20 - -
C71500 061 360 125 - - 30 0.01 0.045
HR50A 495 345 - 12 20 - -
HR50B 495 345 - 15 20 - -
C71640 061 435 170 - - 30 0.01 0.045
HR50 560 400 - - 20 - -

Packing

ASTM B111 C71640 Copper Nickel Pipe , Heat Exchanger Seamless Alloy Steel Tube ASTM B111 C71640 Copper Nickel Pipe , Heat Exchanger Seamless Alloy Steel Tube ASTM B111 C71640 Copper Nickel Pipe , Heat Exchanger Seamless Alloy Steel Tube


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