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Why HSLA Grade 50 Steel Tubing is the New Standard: A Comparison with SS50 Structural Grade Steel


In today’s construction landscape, building for durability, strength, and compliance is essential. That’s why we’ve made the strategic decision to transition from SS50 Structural Grade 50 steel to HSLA Grade 50 galvanized square tubing. This change enhances our structures’ quality, ensuring they meet today’s high-performance standards. Here, we’ll break down the differences between SS50 Structural Grade 50 and HSLA Grade 50, exploring why the switch to HSLA is a game-changer for durability and reliability.


Understanding SS50 Structural Grade 50 Steel

SS50 Structural Grade 50 steel tubing has long been a trusted material in construction. Its moderate strength and basic corrosion resistance made it ideal for general-purpose structures that didn’t require high tensile strength.

SS50 Structural Grade 50 steel tubing in a warehouse setting.
SS50 Structural Grade 50 has served as a standard in construction for many years, offering moderate strength and durability.

Key Characteristics of SS50 Structural Grade 50 Steel:

  • Strength: Designed for general applications, SS50 steel tubing offers moderate strength suitable for standard construction needs.
  • Corrosion Resistance: While resistant to some corrosion, SS50 isn’t galvanized, making it susceptible to rust over time, especially in exposed outdoor environments.
  • Cost: As a more economical option, SS50 is favored in applications where budget is prioritized over longevity.

Why HSLA Grade 50 Steel Tubing is the Better Choice

High-Strength, Low-Alloy (HSLA) Grade 50 steel tubing has emerged as a top choice for applications demanding both strength and resistance to environmental wear. Here’s how it surpasses SS50 on multiple fronts:

Close-up view of HSLA Grade 50 galvanized steel tubing.
HSLA Grade 50 steel tubing provides enhanced strength and superior corrosion resistance.

Key Benefits of HSLA Grade 50 Steel:

  1. Enhanced Strength and Structural Integrity
    HSLA Grade 50 steel is a high-strength alloy that can handle greater loads and stresses than SS50. It’s designed to withstand significant pressure, making it ideal for outdoor structures in areas with severe weather.
  2. Improved Corrosion Resistance
    This steel tubing is galvanized, adding a protective zinc layer to resist rust and corrosion in harsh environments. Galvanization ensures the tubing remains structurally sound even after years of exposure to the elements.
  3. Higher Industry Compliance Standards
    As building codes evolve to address safety and longevity, HSLA Grade 50 tubing meets or exceeds the latest industry standards. It’s especially valuable for meeting high-wind and seismic building requirements, which are essential for many regions.
  4. Longer Service Life
    HSLA Grade 50’s composition makes it a more durable choice over time, reducing the need for repairs or replacements. While initially more expensive, this material can lower long-term costs, offering better value for customers.
Side-by-side comparison of structures built with SS50 steel and HSLA Grade 50 steel.
HSLA Grade 50’s superior durability ensures a longer service life, reducing the need for repairs and replacements.

SS50 vs. HSLA Grade 50: A Side-by-Side Comparison

FeatureSS50 Structural Grade 50HSLA Grade 50 Galvanized Steel
StrengthModerate, for general applicationsHigh strength, suitable for demanding conditions
Corrosion ResistanceBasic, susceptible to rust outdoorsGalvanized, resists corrosion effectively
Compliance with StandardsMeets standard regulationsExceeds standards, ideal for severe climates
Cost EfficiencyLower upfront costHigher initial cost but better long-term value
Service LifeModerate, may require more maintenanceExtended, low-maintenance with higher durability
SS50 vs HSLA50 Comparison Chart

Investing in the Future: Why HSLA Grade 50 Steel is Worth the Cost

While the transition to HSLA Grade 50 has resulted in a modest increase in production costs, the benefits it brings—strength, resilience, and longevity—justify the investment. Structures built with HSLA Grade 50 require fewer repairs and replacements, offering significant savings over time.

Illustration of a structure withstanding harsh weather conditions.
Structures made with HSLA Grade 50 steel can handle extreme weather, providing enhanced reliability.

What Does This Mean for Metal Building Manufacturers?

Our commitment to adopting HSLA Grade 50 steel tubing reflects our dedication to providing customers with the highest quality and most durable structures possible. By choosing HSLA-enhanced products, you’re investing in reliability, reduced maintenance costs, and peace of mind knowing your structure meets today’s rigorous standards.

A customer examining a metal building made with HSLA Grade 50 steel tubing.
HSLA Grade 50 offers our customers greater durability, ensuring their structures stand strong for years to come.

The Lasting Impact of Upgrading to HSLA Grade 50 Steel

Upgrading to HSLA Grade 50 galvanized steel tubing marks a commitment to quality and longevity. We believe this shift will continue to deliver unparalleled reliability, proving the value of investing in premium materials for our customers’ peace of mind.

Build with Confidence—Explore Our Durable Solutions

If you’re considering a durable, high-quality structure that stands the test of time, we’d love to help you explore how HSLA Grade 50 galvanized steel can meet your needs. At Great Carports, our team is here to guide you in selecting the best options to enhance your property with reliability and peace of mind. Reach out today for personalized assistance, and let’s build something lasting together.