Among the many temper variants of 6061 aluminum, T651 holds a specialised direct in preciseness machining and biological science applications. Understanding what sets 6061-T651 apart from standard T6 stuff is essential for engineers and procural professionals who need dependable, warp-free Al shell for hard applications.
What Does T651 Mean?
The T651 designation indicates that the aluminum plate has undergone solution heat treatment, extinction, and synthetic aging(as with monetary standard T6), but with one indispensable additive step: stress relieving by controlled stretch. This stretch process typically 1 to 3 percentage perm set relieves the intragroup residue stresses that develop during extinguishing.
The result is a plate that cadaver dimensionally stalls during and after machining. When you machine a monetary standard T6 plate, residual stresses can cause the part to warp as stuff is distant. With 6061-T651 aluminum plate, this warping tendency is greatly rock-bottom, making it the desirable choice for preciseness components such as mold bases, jigs, fixtures, and tooling plates.
Mechanical Properties of 6061-T651
6061-T651 aluminium delivers the full mechanical prop profile of the T6 season, including tensile effectiveness of around 310 MPa, yield potency of 276 MPa, elongation around 10-12, and Brinell callousness of approximately 95 HB. These properties continue consistent throughout the plate heaviness due to the strain relief handling.
For aerospace-grade applications, buyers should confirm that their 6061-T651 High Strength Aluminum supplier can cater stuff secure to ASTM B209 or AMS 2770 standards, which govern the heat treatment processes for aerospace aluminium.
Common Applications
Precision machined components, CNC machined parts, mold bases for shot moulding and die molding, biology aircraft components, tooling and fixturing, technological instrumentate housings, and hydraulic manifold blocks all symbolize normal applications for 6061-T651 shell.
In the semiconductor and industries, 6061-T651 is often specified for vacuum components, wafer handling , and preciseness brackets applications where multidimensional stableness is as momentous as strength.
Sourcing 6061-T651 from China
China produces large volumes of 6061-T651 stress-relieved aluminum plate for both domestic and markets. When purchasing, always quest mill test certificates Gram-positive debase writing, natural philosophy properties, and verification that the material has been try eased per the T651 stipulation.
Custom thicknesses, widths, and lengths are in the main available, and honored manufacturers can cater stuff cut to size with sawed or processed surfaces depending on your practical application requirements.