Brass

Brass

Brass is a mixture of copper and zinc with a very homogeneous material structure. Among other things, it is characterised by a higher strength than copper, a high torsional and bending stability as well as a high corrosion resistance. Brass is used in various branches of industry such as machine and power plant construction or the chemical industry.

Available dimensions and grades from stock

Tube OD
in / mm
Thickness
WT
ASTM B 111
C68700 BS 2871/3 CZ 110
ASTM B 111
C44300 BS 2871/3 CZ 111
Tube OD
mm
Thickness
WT mm
BWG/SWG INCH
5/8" 18 / 18 0.049 / 0.048 x x 15,88 mm 1,245 / 1,219 mm
5/8" 16 / 16 0.065 / 0.064 x x 15,88 mm 1,651 / 1,626 mm
3/4" 16 / 16 0.065 / 0.064 x2 x2 19,05 mm 1,651 / 1,626 mm
3/4" 14 / 14 0.083 / 0.080 x2 x2 19,05 mm 2,108 / 2,032 mm
3/4" 12 / 12 0.109 / 0.104 x 19,05 mm 2,769 / 2,642 mm
1 16 / 16 0.065 / 0.064 x 25,40 mm 1,651 / 1,626 mm
1 14 / 14 0.083 / 0.080 x 25,40 mm 2,108 / 2,032 mm

1) Average wall thickness2) High Quality available

Chemical composition and mechanical properties

Aluminium Brass (Alloy 687)

Standard Grade ASTM B 111
C68700
BS 2871 Part 3
CZ 110 (TA)
DIN17660/1785
CuZn20Al2
NFA 51102
CuZn22Al2
JIS H3300
C6870 (T)
Cu 76,00 - 79,00 76,00 - 78,00 76,00 - 79,00 76,00 - 79,00 76,00 - 79,00
Sn - - - - -
Pb 0,07 max. 0,07 max. 0,07 max. 0,07 max. 0,05 max.
Ni - - 0,10 max. - -
Fe 0,06 max. 0,06 max. 0,07 max. 0,06 max. 0,05 max.
Zn Rem. Rem. Rem. Rem. Rem.
As 0,020 - 0,060 0,020 - 0,060 0,020 - 0,035 0,020 - 0,060 0,020 - 0,060
P - - 0,010 max. - -
Mn - - 0,10 max. - -
Impurities - 0,3 max. Others Total 0,03 max. -
- - 0,10 max. - -
Condition O61 - F39 - O
- - F34 - -
- - - - -
Yield Strength [N/mm2] 125 min. - 150 - 230 - -
- - 120 - 180 - -
- - - - -
Tensile Strength [N/mm2] 345 min. - 390 min. - 375 min.
- - 340 min. - -
- - - - -
Elongation [%] - - 45 min. - 40 min.
- - 55 min. - -
- - - - -
Hardness Hv5 - 85 - 110 - 80 - 130 -
- - - - -
Grain Size (mm) 0,010 - 0,045 0,050 max. 0,010 - 0,050 0,010 - 0,045 0,010 - 0,045
- - - - -

Admiralty Brass (Alloy 443)

Standard Grade ASTM B 111
C68700
BS 2871 Part 3
CZ 110 (TA)
DIN17660/1785
CuZn20Al2
NFA 51102
CuZn22Al2
JIS H3300
C6870 (T)
Cu 76,00 - 79,00 76,00 - 78,00 76,00 - 79,00 76,00 - 79,00 76,00 - 79,00
Sn - - - - -
Pb 0,07 max. 0,07 max. 0,07 max. 0,07 max. 0,05 max.
Ni - - 0,10 max. - -
Fe 0,06 max. 0,06 max. 0,07 max. 0,06 max. 0,05 max.
Zn Rem. Rem. Rem. Rem. Rem.
As 0,020 - 0,060 0,020 - 0,060 0,020 - 0,035 0,020 - 0,060 0,020 - 0,060
P - - 0,010 max. - -
Mn - - 0,10 max. - -
Impurities - 0,3 max. Others Total 0,03 max. -
- - 0,10 max. - -
Condition O61 - F39 - O
- - F34 - -
- - - - -
Yield Strength [N/mm2] 125 min. - 150 - 230 - -
- - 120 - 180 - -
- - - - -
Tensile Strength [N/mm2] 345 min. - 390 min. - 375 min.
- - 340 min. - -
- - - - -
Elongation [%] - - 45 min. - 40 min.
- - 55 min. - -
- - - - -
Hardness Hv5 - 85 - 110 - 80 - 130 -
- - - - -
Grain Size (mm) 0,010 - 0,045 0,050 max. 0,010 - 0,050 0,010 - 0,045 0,010 - 0,045
- - - - -

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