Aluminum and Steel Plate Solutions for Local and Global Manufacturers

Reliance Metalcenter in Union City is a Bay Area steel supply company offering a comprehensive range of aluminum and stainless steel plate products for industrial, infrastructure, and manufacturing applications across northern California, northern Nevada, Mexico, and key markets in Korea, Japan, Taiwan, China, and southeast Asia, including Vietnam, Thailand, Indonesia, Singapore, India, and Malaysia. As a Bay Area metal supply company, we combine local service with global logistics to guarantee reliable deliveries and premium-quality materials.

As a steel and aluminum supply company for the Bay Area, we support OEMs and Tier 1 manufacturers with a robust inventory, responsive service, and value-added metal processing services. Reliance Metalcenter is an ISO 9001:2015 certified company that supplies DRC conflict-free minerals and DFAR-compliant materials for use in the defense and broader military sectors.

High-Quality Aluminum Plate Solutions

We stock 6061 T6 aluminum plate, aluminum tread plate, bright aluminum tread plate, and aluminum diamond plate, supporting the clean energy, transportation, and architectural industries. These materials are processed to exacting strength, corrosion resistance, and surface quality standards.

Our aluminum diamond plate and bright aluminum tread plate are popular for walkways, enclosures, and high-traffic areas, where durability and appearance matter. We offer PVC coating for stainless steel and aluminum plate, including white, black, clear, and laser-cut PVC-coated aluminum plate options, making sure that the fabrication and export packaging needs are met with all our products.

Stainless Steel Plate for Durable, High-Performance Applications

Reliance Metalcenter supplies 304 stainless steel plate and 316 stainless steel plate for applications requiring superior corrosion resistance and mechanical integrity. These products are essential in sectors like medical, electronics, infrastructure, and transportation.

For surface protection, we provide white PVC-coated stainless steel plate, black PVC-coated stainless steel plate, clear PVC-coated stainless steel plate, and laser-cut PVC-coated stainless steel plate, ensuring quality finishes are preserved through fabrication and shipment. Similar coating options are available for aluminum plates, including white, black, clear, and laser-cut PVC-coated aluminum plates.

Precision Plate Processing and Customization

We’re a metals processor and metal services company that offers specialized finishing and processing for aluminum and stainless steel plates, including:

• Heat-treated steel plate for structural applications
• Annealed steel plate for improved formability and ductility
• Tempered steel plate for improved strength and wear resistance
• Steel plate annealing and steel plate tempering for customized mechanical properties
• Scribed stainless steel plate and scribed aluminum plate for precision applications
• Scribing for stainless steel and aluminum plate to support high-accuracy assembly and fabrication

Our Union City steel service center delivers solutions that minimize the lead times, virtually eliminate waste, and meet tight production schedules.

Regional and International Support

Reliance Metalcenter serves a wide range of local and international markets from its steel and aluminum service center in Union City, California. Reliance Metalcenter, located strategically in the Bay Area, offers next day delivery throughout norther California, and also serves northern Nevada and Mexico. Reliance Metalcenter in Union City also ships overseas to East Asia, including Korea, Japan, China, and Taiwan. Plus, our Asia-Pacific location in Singapore supplies manufacturers throughout Southeast Asia, from Singapore, Indonesia, and Malaysia, to India, Vietnam, and Thailand. Our reach allows us to serve domestic and international customers with logistics support flexible for your needs and consistency in quality.

Why Choose Reliance Metalcenter?

As leading Bay Area steel suppliers and trusted metals distributors, Reliance Metalcenter offers:

• An ISO 9001:2015 certified company guarantee when it comes to quality and consistency
• Supply of DRC conflict-free minerals, guaranteeing sourcing practices that are reliable
• DFAR-compliant materials supporting the military and defense sectors
• Just-in-Time inventory management to deliver the kind of efficient production you can rely on
• Next-day delivery in northern California to meet tight timelines
• A well-established steel distributor network with global reach
• In-house metal processing services for custom requirements

Let’s Discuss Your Aluminum and Steel Plate Needs

Looking for a steel and aluminum supply company for the Bay Area, northern California, northern Nevada, or international markets like Mexico, Japan, Taiwan, or China?

Reliance Metalcenter is your trusted partner for:

• 6061 T6 and T651 aluminum plate
• 304 stainless steel plate and 316 stainless steel plate
• Aluminum diamond plate, tread plate, and coated options
• Heat-treated, annealed, and tempered steel plates
• Custom processing: scribing, PVC coating, and surface protection

Contact us today to request a quote, review inventory, or discuss your production needs. We help you source smarter, process faster, and deliver on time, every time.