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What is brass pipes 63/37?

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brass pipe 63/37,63/37 brass tube,c27200 brass pipe

What is brass pipes 63/37?

Date:2025-06-25

When it comes to combining strength, corrosion resistance, and workability, Brass Pipe 63/37 stands out as a trusted material across multiple industries. Composed of 63% copper and 37% zinc, this brass alloy strikes the perfect balance between mechanical performance and manufacturability, making it suitable for a wide range of structural, fluid-handling, and decorative applications.


Super Steel Manufacturing Co.,Ltd is professional copper pipes manufacturer, for more details, please contact:sales@super-steels.com

 

What Makes 63/37 Brass Special?

The 63/37 composition—also known as cartridge brass—is prized for its excellent cold workability, moderate strength, and good corrosion resistance. These qualities make it an ideal choice for applications where precision, durability, and a smooth surface finish are essential.

Let’s explore some of the key industries that benefit from Brass Pipe 63/37:

 

Applications of Brass Pipe 63/37

1. Sugar Industry

In sugar mills and refineries, brass pipes are used for their resistance to corrosion caused by moisture and acidic compounds present in sugarcane juice and by-products. The 63/37 alloy ensures reliable fluid transport and structural support in harsh processing environments.

2. Plumbing

Thanks to its anti-corrosive properties and ease of joining, Brass Pipe 63/37 is commonly used in plumbing systems, including fittings, valves, and water lines. It is particularly favored in environments where metal components are exposed to moisture and varying temperatures.

3. Furniture

In the world of interior design and furniture manufacturing, brass brings a warm, golden aesthetic alongside functionality. 63/37 brass pipes are often used in chair frames, support structures, and decorative accents for both residential and commercial furniture.

4. Hand Pumps

Rural and agricultural water supply systems often rely on manual hand pumps, where brass pipes are chosen for their durability, resistance to wear, and compatibility with potable water.

5. Ammunitions

This specific brass alloy is also known as cartridge brass for a reason. It’s widely used in the ammunition industry for making shell casings due to its formability and ability to withstand high-pressure environments without cracking.

6. General Engineering

In general mechanical and structural engineering, Brass Pipe 63/37 is a preferred material for components that require precision machining, reliable conductivity, and corrosion resistance—from bushings and bearings to fluid-handling systems.

 

Technincal Specification of Brass Pipe 63/37

Standard 

ASTM B-135

JIS H3300

JIS H3300

DIN 17671

DIN 17671

IS 407

Symbol

C 27200

*C 2720

*C 2280

CuZn 37

-

CuZn 37

Cu

62.0 - 65.0

63.0 - 67.0

59 - 63.0

62.0 - 64.0

-

62.0 - 65.0

Sn

 

-

-

0.1

-

-

Al

 

-

-

0.03

-

-

Pb

0.07

0.07

0.1

0.1

-

0.3

Ni

 

-

-

0.3

-

-

Fe

0.07

0.05

0.07

0.1

-

0.1

Zn

Remainder

Remainder

Remainder

Remainder

Remainder

Remainder

As

 

-

-

-

-

0.06

Total Impurities Max.

 

-

-

0.1

-

 

Condition

H58

O

O

F 29

F 44

O

H80

1/2H

1/2H

F 37

F 54

TA

 

H

H

 

 

HD

Yeild

 

 

 

180 Max

340 Min

 

Strength

 

-

-

200 Min

470 Min

-

N/mm2

 

 

 

 

 

 

Tensile

370 Min

294 Min

314 Min

290 - 370

440 - 540

285 Min

N/mm2

455 Min

373 Min

373 Min

370 - 440

540 Min

320 Min

 

 

450 Min

451 Min

 

 

400 Min

Elongation

 

-

-

-

45 Min

40 Min

%

 

-

-

-

45 Min

35 Min

-

 

-

-

-

20 Min

-

Hardness HV 5

150 Min

 

 

75 Max

-

80 Max

 

85 - 110

 

 

80 - 110

 

80 - 105

 

75 Min

 

 

135 Min

-

95 - 130

 

 

 

 

 

 

150 Min

Grain Size

0.05 Max

-

-

-

025 - 060

065 Max

 

 

-

-

-

 

 

Mm (75X)

 

 

 

 

035 Min

035 Min

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