MANGANESE BRONZE
SPECIAL BRASS

CuZn23Al4

Round bars, Extruded or Forged

STANDARDS

CuZn23Al4 NFL 14708
NFA 53703 - DIN 1709 - GAMMM12
C86200 ASTM B138
CuZn19Al6 NFL 14707
C67000 ASTM B138
NCT10-631-11
CHEMICAL COMPOSITION
  Cu Zn Al Pb Fe Ni Mn Other
Cu Zn23 Al4
NFL 14708		 Remainder 20/25 3.5/5 < 0.1 1/3.5 < 2.5 1.5/3.5 < 0.5


MECHANICAL SPECIFICATIONS
  Rm
Mpa		 Rp0.2
Mpa		 A
%		 HB
Brinell
Cu Zn23Al4
NFL 14708 Etat F		 ≥ 590 ≥ 270 ≥15 ≥170
PROPERTIES
High mechanical propertiess
Good resistance to friction under heavy loads
Good resistance to wear and abrasion
Good resistance to oxidation under normal conditions


SIZE RANGE
Round bar Filés (extrudés) ∅ 10 to 80 mm
Forged ∅ > 80 mm
Tube On request
All shapes in continuous casting On request

MANGANESE BRONZE
SPECIAL BRASS

CuZn19Al6

Round bars, Extruded or Forged

STANDARDS

CuZn23Al4 NFL 14708
NFA 53703 - DIN 1709 - GAMMM12
C86200 ASTM B138
CuZn19Al6 NFL 14707
C67000 ASTM B138
NCT10-631-11
CHEMICAL COMPOSITION
  Cu Zn Al Fe Mn Other
Cu Zn19 Al6
NFL 14707		 Remainder 16.5/21 5.5/7.5 2/4 4/7 < 0.5


MECHANICAL SPECIFICATIONS
  Rond
mm		 Rm
Mpa		 Rp0.2
Mpa		 A
%		 HB
Brinell
Cu Zn19 Al6
NFL 14707 Etat F		 ∅ ≤ 50 ≥ 830 ≥ 590 ≥ 10 ≥ 225
∅ > 50 ≥ 780 ≥ 540 ≥ 7 ≥ 225
PROPERTIES
Very high mechanical properties
Excellent resistance to compression
Very good resistance to friction under heavy loads


SIZE RANGE
Round bar Extruded ∅ 10 to 170 mm
Forged ∅ > 170 mm
All shapes in continuous casting On request
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