Northern California’s Reliable Source for Coated, Galvanized, HRPO, and Cold-Rolled Carbon Steel Sheet and Coil

Reliance Metalcenter is a leading Bay Area steel supply company serving manufacturers, fabricators, and OEMs throughout northern California, northern Nevada, and beyond. As a full-service Bay Area metal supply company, we offer an extensive inventory of carbon steel coil and sheet, including hot rolled pickled and oiled (HRPO) steel, cold-rolled steel, and hot dipped galvanized steel in a variety of finishes and gauges.

With value-added processing, technical expertise, and a dependable supply chain, Reliance Metalcenter is trusted by customers across industries that require strength, surface quality, and reliable lead times. Whether you need material for structural fabrication, OEM enclosures, or high-volume production, our steel service center in Union City is equipped to deliver precision, consistency, and scale.

Full-Service Carbon Steel Supply and Processing

As a dedicated carbon steel supplier, Reliance Metalcenter maintains one of the Bay Area’s most complete inventories of flat-rolled carbon steel materials. Our offerings include:

• Hot Rolled Pickled & Oiled steel coil
• Hot rolled pickled and oiled steel sheet
• Cold-rolled steel coil
• Cold-rolled steel sheet
• Hot dipped galvanized steel coil
• Hot dipped galvanized steel sheet
• Coated steel coil
• Coated steel sheet

Whether you refer to it as hot rolled pickled and oiled steel or HRPO, we support both industry naming conventions and ensure material integrity through certified traceability. All stock is processed in-house and can be cut to custom sizes for precise fitment in downstream applications.

As a carbon steel sheet supplier and carbon steel coil supplier, we support projects in:

• Construction and framing systems
• Enclosures, cabinets, and stamped parts
• Machinery, heavy equipment, and trailers
• Appliances, HVAC systems, and shelving
• Agricultural and mining equipment

Union City Steel Service Center

Our service center in Union City, California spans 165,000 square feet and is purpose-built to handle high-volume carbon steel processing. This facility allows Reliance Metalcenter to serve as a responsive metal services company and strategic partner for both contract and spot-buy programs.

Key capabilities include:

• Shearing and leveling of sheet and coil
• Slitting and multi-blanking
• Paper interleaving and PVC coating
• Next-day delivery throughout northern California

All services are supported by a team of technical specialists and a quality management system certified to ISO 9001:2015. As a metals processor trusted by thousands of repeat customers, Reliance Metalcenter is committed to delivering accuracy, reliability, and traceability with every order.

Material Options: What Sets Each Carbon Steel Type Apart

As a full-spectrum carbon steel supplier, Reliance Metalcenter offers a range of surface treatments and finishes to meet different performance needs.

HRPO Steel (Hot Rolled Pickled and Oiled)

We supply both hot rolled pickled and oiled steel coil and hot rolled pickled and oiled steel sheet, also known as HRPO steel coil and HRPO steel sheet. This material offers the strength of hot rolled steel with a cleaner surface and improved corrosion resistance due to the pickling and oiling process.

It is commonly used in:

• Welded assemblies
• Structural beams and components
• Chassis and equipment frames

Cold-Rolled Steel

Our inventory includes cold-rolled steel coil and cold-rolled steel sheet known for its superior surface finish, tighter thickness tolerances, and higher strength. Cold-rolled materials are ideal for applications requiring cosmetic finishes, precision stamping, or clean welds.

Applications include:

• Appliance housings
• Automotive panels
• Shelving and cabinets

Hot Dipped Galvanized Steel

We carry both hot dipped galvanized steel coil sheet, which offer long-term corrosion protection via a zinc coating. This material is widely used in outdoor, moisture-prone, and exposed environments.

Applications include:

• HVAC ductwork
• Roofing, siding, and flashing
• Agricultural and utility enclosures

Coated Steel

Our coated steel coil and sheet options include pre-painted and PVC-coated materials. These products are suitable for customers who need improved aesthetics, surface protection, or branding options.

Serving the Bay Area, the West Coast, and Southeast Asia

Reliance Metalcenter supports a broad base of customers as a steel and aluminum metal supply company for the Bay Area, northern California, northern Nevada, and Mexico. Reliance Metalcenter also ships to East Asia, including Japan, China, Korea, and Taiwan. As a trusted Bay Area steel suppliers group and steel company with global capabilities, Reliance Metalcenter offers consistent supply, responsive logistics, and technical support across local and international operations. Our team helps coordinate blanket orders, contract pricing, and customized delivery programs for your specific needs.

Southeast Asia Processing Support

Reliance Metalcenter operates a regional processing and distribution facility in West Singapore to support customers across the Asia-Pacific region, including Vietnam, Thailand, Malaysia, India, and Singapore itself. Established in 2008, this 40,000-square-foot facility delivers high-capacity aluminum and carbon steel processing for regional OEMs, Tier 1 suppliers, and contract manufacturers.

Key features include:

• Band saw and circular saw cutting for aluminum plate
• Optimized cutting plans to minimize scrap
• Regional material staging and supply chain support
• Local fulfillment for Vietnam, Thailand, Indonesia, Singapore, India, and Malaysia

This Singapore facility is AS 9100:2016 certified based on ISO 9001:2015 and is integrated into our U.S., European, and Asian mill sourcing programs. By providing localized services with global quality standards, Reliance Metalcenter helps customers in Southeast Asia reduce lead times and production risk.

Why Choose Reliance Metalcenter?

As a metal supply partner for carbon steel, Reliance Metalcenter is committed to performance, reliability, and customer success. Here’s why we remain the preferred steel sheet and coil supplier across the Northern California and the Reno Metropolitan Area:

• Wide inventory of HRPO, galvanized, and cold-rolled carbon steel
• Advanced in-house processing and finishing services
• ISO 9001:2015 certified operations
• Union City-based fulfillment and Southeast Asia distribution
• DRC conflict-free and DFAR-compliant sourcing
• Over 300 locations and 125,000 customers globally

From coated steel coil for branded panels to hot dipped galvanized steel sheet for exterior enclosures, we have the materials, service capabilities, and scale to meet your needs.

Request a Quote from a Trusted Steel Supplier

Whether you need next-day delivery in northern California or long-term contract supply in Singapore, Reliance Metalcenter is your reliable steel supplier. Contact our Union City team to:

• Request a quote or check availability
• Schedule a custom processing job
• Set up a blanket order or contract program
• Coordinate logistics across the West Coast or Southeast Asia

As a leading steel and aluminum metal supply company, Reliance Metalcenter delivers more than material, we deliver performance.