Aluminium 7068 Sheet Plate | AMS 4331 | UNS A97068

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PM Industries manufactures, supplies, and stocks AMS 4331 Aluminium 7068 sheet and plate in a range of thicknesses, widths, and custom-cut sizes, ready to be processed and shipped to your requirements.

AMS 4331 covers Aluminium 7068, a 7000 series alloy strengthened with zinc, magnesium, copper, and zirconium. It is one of the strongest aluminum alloys available, with notably higher tensile and yield strength than 7075 at a similar light weight. That combination makes it a strong fit for aerospace, defense, motorsports, automotive, and high-performance industrial parts where weight matters as much as strength.

Aluminium 7068 delivers ultra-high strength without giving up the low density that makes aluminum useful. It holds up well under cyclic loads, stays dimensionally stable, and machines cleanly, so manufacturers can hit tight tolerances and good surface finishes. The alloy also responds well to heat treatment, which lets fabricators tune its mechanical properties for critical structural parts that need a long service life.

Corrosion resistance is good when the material is properly finished or anodized. That keeps 7068 in service across demanding environments, not just clean indoor ones.

Applications

AMS 4331 Aluminium 7068 sheet and plate is specified across high-load and weight-sensitive work, including:

• Aircraft structural components.
• Connecting rods and bearing caps.
• Fuel system components.
• Suspension and chassis parts.
• Defense and military equipment.
• Racing and motorsport components.
• Medical prosthetics.
• Precision tooling and high-load engineering parts.

Aluminium 7068 works with conventional methods, including CNC milling, drilling, turning, and cutting. It supports precision fabrication and high productivity on the shop floor. Standard aluminum tooling and coolant practices apply, with feeds and speeds set for the alloy's high strength.

Specification Aluminium 7068 Sheet & Plate | AMS 4331 | UNS A97068

Specifications	ASME SA 240/ASTM A 240
Standard Sizes	1000 x 2000 mm, 1220 x 2440 mm, 1500 x 3000 mm, 2000 x 2000 mm, 2000 x 4000 mm
Width	10-2500mm
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hairline, sand, blast, Brush, etching, etc
Thickness	0.1mm to 100 mm Thk
Hardness	Quarter Hard, Half Hard,Spring Hard, Soft, Hard
Stock available in form of	Shim Sheet, Rolls, Strip, Flats, Clad Plate, Plain Sheet, Plate, Sheet, Coils, Foils, Rolling Sheet, Rolling Plate, Flat Shim, Flat Sheet, Blank (Circle), soft annealed, sheared, annealed, tread plate,descaled, Checker Plate
Profiling	Plasma Plate Cutting
Value added services	Plasma cutting, Waterjet cutting, Laser cutting, welding, edge preparation, etc.
Test Certificates	EN 10204/3.1B, NACE MR0103, NACE MR0175
	Raw Materials Certificate
	100% Radiography Test Report
	Third Party Inspection Report, etc

Available Types of Aluminium 7068 Sheet & Plate

Aluminum 7068 Sheets & Plates – Equivalent Grades

European Standard	OLD	WNr	UNS	ISO	USA (AA)	GERMANY (DIN)
AW-AlMg4,5Mn0,7	AG4,5MC	–	A97068	AlMg4,5Mn0,7	7068	AlMg4,5Mn

Aluminum 7068 Sheet & Plate – Chemical Composition

Properties	Metric	Imperial
Tensile strength	641 MPa	93 ksi
Yield strength	590 MPa	85.7 ksi
Elongation	8%	8%

Aluminum 7068 Sheets & Plates – Mechanical Properties

Material	Temper	Tensile Strength (ksi)	Yield Strength (ksi)	Elongation in 2″ %
Aluminium Alloy 7068 Angle (AMS 4340)	T76511	79	69	7
Aluminium Alloy 7068 Angle (AMS 4340)	T73511	70	60	8
Aluminium Alloy 7068 Angle (AMS 4342)	T74511	73	63	7

FAQs

What is AMS 4331 Aluminium 7068?
It is the Aerospace Material Specification for Aluminium 7068, an ultra-high-strength 7000 series alloy supplied as sheet and plate for critical, weight-sensitive parts.

How does 7068 compare to 7075?
7068 reaches higher tensile and yield strength than 7075 at a similar low weight, which is why it is chosen for the most demanding load-bearing parts.

Is Aluminium 7068 corrosion resistant?
It offers good corrosion resistance when properly finished or anodized, which suits it to demanding service environments.

Can 7068 be heat treated?
Yes. It responds well to heat treatment, and the properties can be tuned for structural parts that need long service life.

What machining methods work with 7068?
CNC milling, drilling, turning, cutting, and precision fabrication all work well, with tooling set for the alloy's strength.

What sizes does PM Industries stock?
A wide range of thicknesses and widths, plus custom-cut dimensions on request.