High-strength aluminium alloy parts Joining of new-energy magnesium die castings, blocking galvanic corrosion
ZT68-600 MPa Cold-Forged High-Strength Aluminium Bolt
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Illustration note
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Images are for appearance and structure reference; dimensions and tolerances are subject to the specifications and the applicable standards on this page.
Specifications
The parameters listed on this page are subject to final inspection and the applicable standards; items not listed follow the customer drawing or the order agreement and are not committed by default.
| Material | ZT68 high-strength aluminium alloy |
|---|---|
| Process | Cold forging, solution + ageing heat treatment |
| Tensile strength | approx. 630 MPa |
| Yield strength | approx. 500 MPa |
| Density | 2.7 g/cm³, approx. 65% lighter than steel bolts |
| Elongation at break | ≥ 6% (grade 6056 ≥ 7%) |
| Thread engagement length | 1.3 ～ 1.5d |
| Typical application | Joining of new-energy magnesium die castings, blocking galvanic corrosion |
Spec lookup
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Drawings and documentation
Official catalogues and manuals are available for direct download; custom drawings are handled per project
Manufacturing process
The usual process route for this product family; actual operations follow the drawing and order requirements.
- Aluminium bar cuttingCut to specified length
- Cold forging / extrusion formingNear-net-shape forming, less machining
- Precision turningMating surfaces and thread machining
- AnodizingFilm thickness and corrosion resistance control
- Dimensional and mechanical sampling inspectionTensile, hardness and thread precision
Capacity & delivery
Taken from the company's published capacity and certification information; no unverified claims are included.
FAQ
Material, standards, surface treatment and installation points for this model; the data comes from the specification table on this page and from the national standards cited in the answers.
Q1What material is the “ZT68-600MPa cold-forged high-strength aluminium alloy bolt” made of, and what strength level does it reach?
Specification table on this page: material ZT68 high-strength aluminium alloy; tensile strength approx. 630 MPa; yield strength approx. 500 MPa; density 2.7 g/cm³, approx. 65% lighter than steel bolts. Material certificates and mechanical property test reports can be supplied with the goods; batch acceptance is carried out according to the above specifications.
Q2What manufacturing process is used for the “ZT68-600MPa cold-forged high-strength aluminium alloy bolt”?
The specification table on this page lists the process as cold forging with solution + ageing heat treatment. The process route follows drawing and order requirements; first article approval is provided before volume production.
Q3What are the core performance and design features of the “ZT68-600MPa cold-forged high-strength aluminium alloy bolt”?
Product description on this page: ZT68-600MPa cold-forged high-strength aluminium alloy bolt, a dedicated lightweight fastening solution for new-energy magnesium alloys. 1. Product overview Driven by the dual-carbon strategy and the range upgrades of new-energy vehicles, magnesium die-cast lightweight solutions are widely used in battery trays and el...
Q4What applications is the “ZT68-600MPa cold-forged high-strength aluminium alloy bolt” suitable for?
Typical applications listed in the product description on this page: joining of new-energy magnesium die castings, blocking galvanic corrosion.
Q5What strength level does the “ZT68-600MPa cold-forged high-strength aluminium alloy bolt” achieve?
The page states a tensile strength of approx. 630 MPa, clearly above the level of standard 6061-T6 and comparable to common quenched-and-tempered medium-carbon steels, while retaining the low density of aluminium alloys of approx. 2.8 g/cm³, for joints that combine weight reduction and load-bearing capacity. This is a mechanism description; for verification refer to the GB/T 10125 salt spray test; the data of this model are subject to the specification table on this page. (Applicable to this model “ZT68-600MPa cold-forged high-strength aluminium alloy bolt”.)
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