BRASS TUBES

SEAMLESS

APPLICATIONS

  • Components production, architectural applications, interior design, modern art, furnishing and lamps, pumps, gunwales, plumbing, heat exchangers, vehicles, musical instruments, spray equipment etc

PROCESS

Seamless brass tubes are available as extruded and/or cold drawn in various shapes such as round, square, roped and reeded.

ALLOYS

CuZn37
Other alloys upon request

TEMPER

Hard, half-hard, light annealed and annealed.

PACKING

In random-cut straight lengths approx. 4 m or cut to customer requirements.
Packed in wooden cases from 200 kg to 500 kg.
Tubes are available also as stress relieved, upon customer request.

TOLERANCES ON WALL THICKNESS

Outside Diameter mm From 0,3mm up to 1mm From 1,0mm up to 3mm From 3,0mm up to 6mm From 3,0mm up to 10mm From 10mm
From Up to
3 40 +/-15% +/-13% +/-11% +/-10% -
40 120 +/-15% +/-13% +/-12% +/-11% +/-10%

PRODUCTION RANGE

THICKNESS (mm) DIAMETER (mm)
0,40- 0,44 5,70 - 32,00
0,45- 0,49 4,75 - 40,00
0,50- 0,54 4,75 - 50,00
0,55- 0,59 4,75 - 55,00
0,60- 0,64 4,75 - 57,15
0,65- 0,74 4,75 - 60,00
0,75- 0,84 4,75 - 63,50
0,85- 0,94 4,75 - 76,20
0,95- 1,20 4,75 - 80,00
121 - 1,50 6,00 - 80,00
1,51 - 2,00 8,00 - 80,00
2,01 - 2,25 10,00 - 80,00
2,26- 2,40 15,00 - 80,00
2,41 - 3,00 20,00 - 80,00
3,01 - 3,50 27,00 - 80,00
3,51 - 4,00 30,00 - 80,00
4,01 - 4,50 35,00 - 70,00
4,51 - 5,00 40,00 - 70,00
 

TOLERANCES FOR BRASS TUBES (EN 12449) Tolerances on Diameter

Diameter Tolerance
From Up to
3 10 +/-0.06
10 20 +/-0.08
20 30 +/-0.12
30 50 +/-0.15
50 100 +/-0.20

MECHANICAL PROPERTIES FOR THE BASIC ALLOY CW508L (EN 12449)


Material
Wall thickness t mm Tensile strength Rm N/mm2 0,2% proof strength Rp0,2 N/mm2 Elongation A (%) Hardness
HV HB
Symbol Number Temper max. min. min. max. min min max. min max.
CuZn37 CW508L Μ 20 - - _ - - _ - _
  R300 20 300 - 220 45 - _ - -
Η 060 20 - - - - 60 90 55 85
R370 10 370 200 - 25 - - - -
Η 085 10 - 320 - - 85 120 80 115
R440 5 440 - - 10 - - - -
H115 5 - - - - 115 - 110 -

 

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