ASME SB111 ASTM B111 C68700 CuZn20Al2As HAL77-2 Seamless Copper Pipe

Brand Name:Joyruns
Certification:ISO9000
Model Number:5mm to 200mm
Minimum Order Quantity:5 tons per size
Delivery Time:30DAYS
Payment Terms:TT OR LC
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Address: No.143 Qingyang North road,Tianning district. Changzhou
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ASME SB111/ASTM B111 C68700/CuZn20Al2As,HAL77-2 seamless copper alloy condenser tube
Inhibited Aluminum Brass tubes – C68700 - resists the action of high-velocity salt and brackish water and is commonly used for condenser tubes. The main characteristic of C68700 is its high resistance to impingement attack. Tubes of these alloys are recommended for use in Marine and Land Power Stations, in which cooling water velocities are high.

Chemical Composition


Element

Cu(1,2)

Pb

Zn

Fe

Al

As

(1) Cu value includes Ag.(2) Cu + Sum of Named Elements 99.5% min.

Min (%)

76.0




1.8

0.02

Max (%)

79.0

0.07

Rem

0.06

2.5

0.06


Mechanical Properties*

Form

Temper

Temper Code

Tensile Strength
(ksi)

YS-0.5% Ext
(ksi)

Elongation
(%)

Rockwell F scale

Tube

Nominal Grain Size 0.025 mm

OS025

60 Typ

27 Typ

55 Typ

77 Typ

* Measured at room temperature, 68°F (20°C).


Thermal Properties

Treatment

Minimum*

Maximum*

* Temperature is measured in Fahrenheit.


Annealing

800

1100


Hot Treatment

1400

1600










China ASME SB111 ASTM B111 C68700 CuZn20Al2As HAL77-2 Seamless Copper Pipe supplier

ASME SB111 ASTM B111 C68700 CuZn20Al2As HAL77-2 Seamless Copper Pipe

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