7075-T651 Aluminum Build Platform - AMS 4045 - ASTM B209 - UNS A97075

Aluminum Build Platform

Engineered for exceptional strength and performance, 7075-T651 aluminum is a premier choice for build platforms in Powder Bed Fusion (PBF) additive manufacturing systems. This high-strength aerospace-grade alloy delivers superior stability and durability, making it ideal for demanding environments where precision and reliability are critical.

Heat-treated and stress-relieved to the T651 temper, these platforms maintain flatness and integrity through repeated thermal cycles, ensuring consistent part quality and reduced downtime. Whether you are producing aerospace components, defense hardware, or advanced industrial parts, 7075-T651 offers the strength and precision your additive manufacturing process demands.

Advanced Inventory Size Ranges for 7075-T651

Type Size Range Specifications Get a Quote
Build Platforms 0.500" - 5.000" AMS 4045, ASTM B209, UNS A97075 Get a Quote

Ideal for Additive Manufacturing Build Platforms

In Powder Bed Fusion (PBF) systems, platform stability is critical for part integrity and dimensional accuracy. 7075-T651 aluminum offers exceptional strength and dimensional stability, even under demanding thermal cycles. Its stress-relieved temper minimizes distortion, ensuring a flat, reliable surface for consistent builds. This makes it an excellent choice for industries where high strength and precision are essential—such as aerospace, defense, and advanced industrial applications.

Why Choose United Performance Metals?

At United Performance Metals, we manufacture 7075-T651 Aluminum Build Platforms to exacting standards, offering:

  • Dimensional Stability: Stress-relieved temper (T651) reduces warping during machining and thermal exposure.
  • High Strength: One of the strongest aluminum alloys, ideal for heavy-duty additive manufacturing environments.
  • Custom Sizes: Available to fit your specific PBF machine requirements.
  • Excellent Machinability: Enables precision surface finishing for optimal powder bed performance.

Other industry standards we comply with:

  • DFARS Compliant

Common Trade Names

  • Aluminum 7075
  • AA7075

Industry Applications for 7075-T651

  • Aerospace Structural Components
  • Missile Components
  • Propulsion System Parts

Chemical Composition

Element Percent by Weight Min Percent by Weight Max
Al Aluminum Balance
Zn Zinc 5.1 6.1
Mg Magnesium 2.1 2.9
Cu Copper 1.2 2.0
Cr Chromium 0.18 0.28
Fe Iron 0.5
Si Silicon 0.4
Mn Maganese 0.3
Ti Titanium 0.2

Physical Properties

PropertyValue
Density0.101 lb/in³ (2.80 g/cm³)
Melting Range890–1,180°F (477–638°C)
Thermal Conductivity~130 W/m·K
Electrical Conductivity~33% IACS
Coefficient of Thermal Expansion13.1 µin/in-°F

Mechanical Properties

PropertyValue
Ultimate Tensile Strength~83 ksi (572 MPa)
Yield Strength~73 ksi (503 MPa)
Elongation~11%
Hardness~150 HB
Modulus of Elasticity~10.4 x 10⁶ psi

Additional Info

A Brief History of 7075-T651 Aluminum 

7075 aluminum was first developed in the late 1930s by the Japanese company Sumitomo Metal, making it one of the earliest high‑strength aluminum alloys. It gained widespread attention during World War II, when its exceptional strength‑to‑weight ratio made it a key material for advanced aircraft structures. Over time, the alloy was refined, and heat‑treated variants like T6, T651, and T73 were created to optimize strength, stress-relief, and dimensional stability.

How 7075-T651 was Developed

7075 is part of the 7xxx series aluminum alloys, which rely on zinc as the primary alloying element. The development goal was simple: create an aluminum alloy with strength comparable to steel but with the light weight necessary for aerospace applications. The zinc found in this alloy provided high strength, while magnesium and copper improved its hardness, fatigue resistance, and toughness. The T651 temper is solution heat-treated, stress-relieved by stretching, and artificially aged. This process enhances its dimensional stability and reduces its residual stresses, making it ideal for machining and structural applications where precision matters.

 

Early Applications of 7075-T651 

As one of the strongest commercially available aluminum alloys, 7075-T651 quickly became a key material for aircraft frames and wing structures, military equipment, high-performance aerospace components, and critical load-bearing assemblies. Its combination of ultra-high strength and low weight made it an essential material in advancing early aviation technology.

How 7075-T651 is Used Today

7075‑T651 remains one of the most widely used high-strength aluminum products across advanced manufacturing sectors. Modern applications include aerospace components that require exceptional strength-to-weight ratios, defense systems and armored solutions, high performance automotive racing parts, and precision machined components for robotics and industrial systems. 

Your Trusted Supplier of 7075-T651 Aluminum 

UPM Advanced Solutions offers 7075-T651 build plate sizes 0.500" - 5.000". This material offers a combination of strength, stability, and thermal behavior that makes it a strong choice for additive manufacturing powder bed fusion. 

Product FAQs

7075-T651 is used for additive build plates due to its superior rigidity to resist thermal distortion, its excellent stability, good thermal conductivity, and its strong wear resistance during repeated part removal. 7075-T651 provides a stable, durable platform for powder bed fusion systems. 

Both 7075-T651 and 7075-T6 offer high strength, but 7075-T651 includes a stretching process that removes internal stresses. This results in better dimensional stability, reduced risk of distortion during machining, and improved flatness. 

7075-T651 is widely used in the aerospace, defense, automotive, robotics, and precision machining and tooling industries. Its strength-to-weight ratio makes it a top choice for load-bearing parts. 

Yes, 7075-T651 offers excellent machinability, producing clean, predictable cuts. The 7075-T651 temper minimizes warping, which is especially important for tight-tolerance components. 

While 7075-T651 offers moderate corrosion resistance, it is less corrosion-resistant than series 5xxx and 6xxx aluminum alloys. When corrosion protection is needed, coatings, anodizing, or cladding are commonly used.