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Aluminium Alloy BS L158 2014A-T4 Sheet

Technical Data Sheet

Aluminium alloy BS L158 is the aerospace specification for 2014A-T4 bare sheet and strip. L158 is the same alloy and temper as L156, and will always meet the chemistry and mechanical requirements for both, but is produced to tighter rolling tolerances. L158 / 2014A is alloyed with copper (3.90-5.00%) giving it high strength levels of 400 N/mm² UTS minimum. As such L158 finds usage in many aerospace and defence high strength applications where is poor corrosion resistance is not a factor. Aircraft Materials stocks L158 in a wide range of sheet thicknesses ready for same day shipment. Many stock items can be dual-certified to both L156 and L158.

Chemical Composition Limits
Weight%	Si	Fe	Cu	Mn	Cr	Mg	Ni	Zn	Ti+Zr	Ti
L158	0.50 - 0.90	0.50 max	3.9 - 5.0	0.4 - 1.2	0.10 max	0.2 - 0.8	0.10 max	0.25 max	0.20 max	0.15 max

Typical Mechanical Properties

Grade	Condition	0.2% Proof Stress Min (N/mm2)	Tensile Strength Min ( N/mm2)	Elongation on 50mm Min (%)
Alloy L158	T4	255	400 min	14

Availability
Aluminium Alloy BS L158 is available in Sheet and Strip. For all stock availability of Aluminium BS L158 contact Sales.

Specifications
Similar Specification
2014A
BS L156

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.