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Brass Tube

C68700 Aluminum Brass Condenser

Product description:C68700 is a typical aluminum brass with high strength and hardness. It has good plasticity and can be pressure processed in cold and hot state. It has good corrosion resistance to seawater and salt water, and is resistant to impact corrosion, however, it has dezincification and corrosion cracking tendency. It is used for condensing tubes and other corrosion-resistant parts of ships, and adopts GB/T 8890-2015 standard.
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Chemical Composition

Grade

Composition

Cu

As

Al

Zn

Fe

Pb

Other Elements

C68700

76-79

0.02-0.1

1.8-2.5

Rem.

0.06

0.07

0.07

C44300

76-79

0.03-0.1

1.8-2.5

Rem.

0.1

0.05

0.05


Dimension

product

Grade

Shape

Temper

Dimension

O.D.

Wall Thcikness

Length (mm)

Drawn tubes

C68700

Round

H 1/2H O 1/2O

10~100

1.0~10

OD.≤100 L1000~7000
OD.>100 L500~6000


 

Mechancial Properties

Temper

Shape

O.D.

Tensile Strength Rm/ (N/mm2)

Elongation A/ % min

HV

HB

O

Round

6~100

≥295

40

60~90

55~85

1/2O

≥320

35

70~100

65~95

1/2H

≥370

20

85~110

80~105

H

≥455

-

≥110

≥105





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