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Boa srl - 25018 Montichiari, Brescia - Italy
Production of copper alloys bars in continuous casitng and centrifugal casting.
Precision machine work upon Customer's requirements.

Address:
Headquarter:
Via dell'Artigianato, 23
25018 Montichiari
Brescia (BS) - Italy

Boa srl - 25018 Montichiari, Brescia - Italy
Production of copper alloys bars in continuous casitng and centrifugal casting.
Precision machine work upon Customer's requirements.

Address:
Headquarter:
Via dell'Artigianato, 23
25018 Montichiari
Brescia (BS) - Italy

Boa srl - 25018 Montichiari, Brescia - Italy
Production of copper alloys bars in continuous casitng and centrifugal casting.
Precision machine work upon Customer's requirements.

Address:
Headquarter:
Via dell'Artigianato, 23
25018 Montichiari
Brescia (BS) - Italy

Boa srl - 25018 Montichiari, Brescia - Italy
Production of copper alloys bars in continuous casitng and centrifugal casting.
Precision machine work upon Customer's requirements.

Address:
Headquarter:
Via dell'Artigianato, 23
25018 Montichiari
Brescia (BS) - Italy

Boa srl - 25018 Montichiari, Brescia - Italy
Production of copper alloys bars in continuous casitng and centrifugal casting.
Precision machine work upon Customer's requirements.

Address:
Headquarter:
Via dell'Artigianato, 23
25018 Montichiari
Brescia (BS) - Italy

5273 Print

  

Reference Norm

 

 

 

 

CHEMICAL ANALYSIS %

 

 

 

 

UNI 5273

 

 

 

 

 

 

 

 

 

 

 

 

G-CuAl9Fe3

 

 

 

Chemical Composition

 

 

 

 

 

 

 

Sn%

Zn%

Pb%

Fe%

Ni%

Al%

P%

Si%

Mn%

Sb%

As%

Cu%

Rest

 

 

Min

-

-

-

2,50

-

8,50

 

-

-

 

 

83,00

-

 

 

Max

0,30

0,30

0,15

4,00

1,50

9,50

 

0,10

1,50

 

 

89,00

0,60

 

 

 

 

 

 

MECHANICAL PROPERTIES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Casting Process and Designation

Yield strength

Tensile strength

Elongation

Hardness Brinell

 

Rp 0,2

Rm

at break

 

 

 

 

Kg/mm²

Kg/mm²

A%

HB

 

Sand casting

-

-

-

-

 

-GS

 

Chill casting

18 - 23

55 - 65

25 - 35

110 - 140

 

-GM

 

Centrifugal casting

-

-

-

-

 

-GZ

 

Continuous casting

18 - 23

55 - 65

25 - 35

110 - 140

 

-GC

 

Application:

The alloy of this unification is particularly suitable to chemical plants. Among generic mechanics it is

recommended for applications requiring high plastic properties.

Examples of application: pumps for mine water, impellers for centrifugal pumps, poorly stressed

marine propellers, bearings, valve housings and tracks, helical gears, etc.

Please note: Contact our Sales Office for further information

 

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Boa Bronze foundry

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