BrassesBeryllium-freeIn production
ZA9
CuZn19Al6MnFe
ZA9 is a high-strength CuZn19Al6 brass with manganese and iron, compliant with ASNA 3402 and NFL14707. Aerospace manufacturers use it for landing gear rings that must guide and slide under high mechanical stress.
590 MPaYield strength
830 MPaTensile strength
10 %Elongation
225 HBHardness HB
Specify this grade
Qualification packs are released after a short form. Export control applies.
Properties
Guaranteed values, by temper.
- Alloy family
- Brasses
- Chemistry family
- CuZnAlMn
- Lead-free
- Yes
Forms
Forms & dimensions available
Bars2 variant(s)
Dimensional ranges and tolerances on request — machining and finishing are in house.
Standards
Standards & equivalences
- ASNA 3402
- NCT 10631-11
- NCT 15631-01
- NCT 15631-02
- NFL14707
Product and process qualifications are listed above. Customer approvals are confidential and are not disclosed.
Applications
Markets & applications
Applications
- Friction and guidance rings for landing gear

Why this grade
High mechanical properties for parts under mechanical stress.
Good antifriction properties for parts that slide against other metals.
Resists oxidation.
Can be extruded, forged, die stamped or hot formed.
Alternatives
If this grade is not the right trade-off.
GradeChemistryYield strengthChoose it when
412CuZnPb
413CuZnMnPb
58FCuZnPb
58LCuZnPb
58SCuZnPb
58YCuZnPb
60ACuZnPb
60PCuZnPb
60SBCuZnPb
61BCuZnPb
61CCuZnPb
61DCuZnPb
61USCuZnPb
62BCuZnPb
62CCuZnPb
62ZCuZnPb
63LCuZnPb
63NCuZnPb
Alloy 8521CuZnPb
E60STCuZn
E62DTCuZn
E63PCuZn
E63PGCuZn
E64BCuZn
E67CuZn
E85PGCuZn
E90CuZn
HT32CuZnAlMn
LB15CuZn
LBUCuZnPb
SML59FCuZnSn
SML61FCuZnSi
X133CuZnAlMn