Steel and Aluminum for Aviation and Aerospace Companies in California and Global Markets

Reliance Metalcenter is a Bay Area metal supply company that provides dependable steel and aluminum sourcing for the aviation and aerospace industry. Our Union City facility is a 165,000-square-foot steel service center built to support the material needs of aerospace OEMs, component manufacturers, and precision fabricators throughout northern California and beyond.

As a Bay Area metal supply company, we deliver a wide range of certified steel and aluminum for aviation and aerospace companies. We maintain traceable inventory, supply mill test reports, and process material in-house for fast turnaround and accurate tolerances. Our work supports U.S.-based aircraft manufacturers, contract fabricators, and defense contractors. We also serve the global aerospace supply chain through our logistics support in East Asia and Southeast Asia.

Reliance Metalcenter in Union City is an ISO 9001:2015 certified location and part of a leading American metal distribution group. Our Asia-Pacific location is AS 9100:2016 certified. All of our aerospace-grade materials are sourced from reputable mills and meet industry standards.

Aluminum for Aviation and Aerospace Applications

Reliance Metalcenter is a reliable source of aluminum for aviation and aerospace companies that need consistent performance, corrosion resistance, and machinability. Aerospace-grade aluminum is widely used in structures, panels, brackets, fuel systems, and cabin interiors due to its strength-to-weight ratio.

We stock and process aluminum for aviation and aerospace industry requirements in multiple grades and forms:

• Aluminum sheet and plate for fuselage skins, interior panels, and structural bulkheads
• Aluminum coil for stamped aerospace parts
• Aircraft aluminum suppliers of flat-rolled and heat-treatable grades like 6061 and 2024
• Aluminum for aviation and aerospace components such as ribs, wing structures, brackets, and avionics enclosures

Our Union City location serves as a regional aluminum for aviation and aerospace industry provider. We deliver throughout northern California and prepare export orders for Asia-Pacific partners.

We also supply aluminum for aviation and aerospace sector projects requiring custom blanks, cut-to-size coil, or special processing. PVC coating, paper interleaving, and sawing are available for delicate or aesthetic components.

Steel for Aerospace Fabrication and Engineering

As a trusted steel company and metals processor, Reliance Metalcenter stocks steel for aviation and aerospace companies working on a wide range of applications, from flight hardware and interior cabin systems to test rigs and tooling.

Our aerospace metal distributors team supports the following product lines:

• Steel for aviation and aerospace components including fasteners, frame assemblies, and landing gear support parts
• Stainless steel sheet and plate for high-heat and corrosion-sensitive applications
• 304 and 316 stainless grades for precision components and medical-grade aerospace interiors
• Aerospace stainless steel suppliers for sheet metal, bar, and tubing products

Our role as a steel and aluminum metal supply company for the Bay Area means we can support rapid response times, traceable shipments, and Just-in-Time inventory for critical aerospace fabrication projects. We are also a recognized steel distributor for international programs requiring compliance with DFARS sourcing guidelines.

Specialty Aerospace Metal Forms and Processing Services

As a full-service metals distributor and metal services company, Reliance Metalcenter provides both raw material and in-house processing. For aviation customers, this helps reduce lead times, lowers handling risks, and ensures consistent tolerances.

Available services include:

• Coil blanking and shearing for aluminum and stainless steel
• Saw cutting of aluminum plate up to 24 inches thick
• Paper interleaving, PVC coating, and edge conditioning
• Bar and sheet metal sawing for custom part sizing

Aerospace customers also benefit from our ability to supply heat-treated and annealed steel plate and lightweight aluminum for structural and non-structural applications. We support prototyping and production-scale fabrication orders, with clear labeling and documentation at every stage.

Serving Aerospace and Aviation Customers Across the West Coast and Asia-Pacific

Reliance Metalcenter serves as a reliable steel and aluminum metal supply company for northern California, northern Nevada, and Mexico. Our Union City steel service center works with leading aerospace sheet metal suppliers, fabrication shops, and defense contractors in the region.

We also coordinate logistics for shipments to Japan, Korea, China, and Taiwan. As a steel and aluminum metal supply company for Southeast Asia, we help support programs in Vietnam, Thailand, Indonesia, Singapore, India, and Malaysia through our dedicated Reliance Metalcenter Asia-Pacific facility in Singapore.

Reliance Metalcenter’s 40,000-square-foot Asia-Pacific facility in Singapore was established in 2008 to provide saw cutting, aluminum plate processing, and export logistics for customers managing aerospace operations in Asia. With AS 9100 certification and access to U.S. and international mill products, the Singapore team supports regional responsiveness and long-term contract fulfillment.

Aerospace Market Segments We Serve

Our customers span a wide range of aerospace-related sectors, including:

• Commercial aircraft manufacturers sourcing coil, plate, and sheet metal for airframe assembly and internal systems
• Military and defense contractors requiring DFARS-compliant materials for flight hardware and support systems
• MRO (Maintenance, Repair, and Overhaul) providers needing consistent, quick-delivery stock
• Space technology companies sourcing heat-treatable aluminum and stainless steel for structural and shielding applications
• Avionics and aerospace interiors suppliers using corrosion-resistant and lightweight aluminum or stainless options

Reliance Metalcenter’s inventory strategy is designed to support the strict requirements of these aerospace production timelines. We maintain in-stock material with clear documentation, and we work with buyers to maintain recurring availability through scheduled delivery programs.

Aerospace Aluminum and Stainless Steel Inventory Overview

We maintain a robust inventory of materials for use in aerospace sheet metal, machined parts, and structural systems. Available products include:

Aluminum

• Flat-rolled aluminum sheet and plate
• Heat-treatable aluminum for aircraft frame applications
• Painted and anodized aluminum sheet for interior panels and cabin structures
• Coil and blanked sheet for stamped and precision-cut parts
• High-strength 6061 plate and 2024 sheet

Stainless Steel

• 304 stainless steel sheet and plate
• 316 stainless steel sheet and plate
• Flat bar, round bar, and square tubing in stainless grades
• Stainless steel for use in fuel systems, avionics racks, interior walls, and exhaust shielding

Our experienced team matches aerospace specifications with available mill certifications and can advise on product selection based on design and compliance needs.

Compliance and Quality Assurance

Reliance Metalcenter in Union City maintains an ISO 9001:2015 certified quality system, and our Asia-Pacific location maintains an AS 9100 certified quality system—both support traceability and reliability in every order. As a supplier to aerospace and defense contractors, we uphold documentation and sourcing standards, including:

• DRC conflict-free sourcing
• DFARS compliance

Customers can expect clear mill test reports, documentation packages, and serialized delivery tickets as needed for part traceability and program-level accountability.

Why Aerospace Companies Work With Reliance Metalcenter

With more than 300 locations across 41 states and 10 countries, Reliance Metalcenter offers aerospace sheet metal suppliers and OEMs access to an extensive metals distribution network. From our Union City base, we support companies that make semiconductor equipment, satellite systems, commercial aircraft, and military hardware.

Reasons customers rely on us include:

• Fast response and inventory availability
• In-house blanking, cutting, and coil processing
• Global fulfillment from U.S. and Asia-Pacific locations
• Supplier of DFARS-certified products
• More than 125,000 active customers served company-wide

Contact Us for Aerospace and Aviation Metals

Need reliable metal for aviation and aerospace companies? Contact Reliance Metalcenter in Union City to request a quote, check material availability, or schedule a delivery.

Our team helps aircraft aluminum suppliers, aerospace metal distributors, and OEM buyers maintain production momentum with clear documentation and consistent service. From California to Asia, we support your production goals with material ready to move.