Reliable Corrosion Protection for Industrial Applications

For over 46 years, Curtis Steel Company has supplied businesses across Texas and beyond with high-quality flat-rolled steel products. Our extensive inventory includes hot-dipped galvanized sheets and coils, designed for durability, corrosion resistance, and long-term performance. With locations in Houston, Dallas-Fort Worth, and the Rio Grande Valley, we ensure fast order fulfillment and next-day local delivery on most stock items.

What is Hot-Dipped Galvanized Steel?

Hot-dip galvanizing (HDG) coats steel in a layer of zinc, forming a metallurgical bond that protects against moisture, oxidation, and environmental exposure. The process includes:

Surface Preparation – Cleaning the steel to remove contaminants.
Molten Zinc Bath – Immersing the steel at 842°F, allowing the zinc to react with the iron for a uniform, durable coating.
Inspection & Quality Control – Verifying coating thickness and consistency to meet ASTM-A653 specifications.

The result is a corrosion-resistant steel that extends the lifespan of construction materials, industrial equipment, and transportation components.

Why Choose Hot-Dipped Galvanized Steel?

There are plenty of reasons to choose ASTM-A653 hot-dipped galvanized steel, including:

Long-Lasting Corrosion Protection – The zinc coating prevents rust formation, making it ideal for outdoor and high-moisture environments.
Self-Healing Properties – If the surface is scratched, the surrounding zinc sacrifices itself, preventing rust from spreading.
Minimal Maintenance – Reduces the need for costly repairs and repainting.
Uniform Coating – Unlike sprayed coatings, hot-dip galvanizing creates a consistent, tightly bonded layer that won’t peel or chip.

Hot-Dipped Galvanized Sheet & Coil Specifications

Curtis Steel carries hot-dipped galvanized sheets and coils in various sizes and coatings to meet your application needs.

- Gauges: 7 to 30

- Widths: Up to 60 inches

- Coating Weights:

G-90 – Maximum corrosion resistance
G-60 – Versatile protection
G-40 – Balanced durability and cost-efficiency
G-30 – Lighter coating for low-corrosion environments

Material Types:

Commercial Steel (CS Types A, B, and C)
Forming Steel (FS Types A and B)
Deep Drawing Steel (DDS Types A and C)
Extra Deep Drawing Steel (EDDS)
Structural Steel (SS) – further designated by Grades (33,37,40,50,80)
High Strength Low Alloy Steel (HSLAS)

Need a specific size? Our cut-to-length services and 60-inch slitter line provide customized solutions with quick turnaround times.

Industries & Applications

Construction & Infrastructure

Structural Components – Beams, trusses, columns
Exterior Fixtures – Fencing, gutters, handrails
Architectural Steel – Corrosion-resistant building materials

Transportation

Automotive Frames – Over 80% of modern vehicles use galvanized steel
Railroad Tracks – Long-lasting steel for high-traffic areas

Manufacturing & Agriculture

Farm Equipment – Protection from moisture and chemicals
OEM & Fabrication – Reliable material for industrial production

Our Steel Processing & Customization Services

Curtis Steel offers precision processing to ensure accuracy and efficiency in every order. Our services include:

Steel Coil Slitting – Custom widths for specific applications
Shearing & Multi-Blanking – Precision cutting for tight tolerances
Leveling & Cropping – Preparing steel for structural use
Cut-to-Length Processing – Custom sheet and coil sizing

We also own our fleet of trucks, ensuring fast, next-day delivery for local customers.

Get a Quote on Hot-Dipped Galvanized Steel

For decades, Curtis Steel Company has been a leading supplier of hot-dipped galvanized sheets and coils to businesses in construction, transportation, and manufacturing. Whether you need ASTM-A653 hot-dipped galvanized steel in standard sizes or custom specifications, we have the inventory and expertise to meet your needs.

Call 1-800-749-4621 or Request a Quote Online today.