Grade 304 316L 310S Welded Stainless Steel H-Beam High Strength & Corrosion Resistant Structural Steel

Products Specification

Grade 304 / 316L / 310S Welded Stainless Steel H-Beam – High Strength & Corrosion Resistant Structural Steel

Product Overview

Welded stainless steel H-beams are essential structural components widely used in modern construction, industrial frameworks, marine engineering, chemical plants, and high-temperature applications. Among the most popular grades are AISI 304, 316L, and 310S, each offering distinct advantages in terms of mechanical strength, corrosion resistance, and thermal stability. These H-beams are manufactured using advanced automatic submerged arc welding (SAW) or high-frequency welding (HFW) processes, ensuring precise dimensional accuracy, consistent weld integrity, and compliance with international standards such as GB/T 33814-2017, ASTM A276, and EN 10088.

Our welded stainless steel H-beams combine superior load-bearing capacity with exceptional durability in aggressive environments—making them ideal for both architectural aesthetics and demanding engineering performance.

Key Features & Benefits

• High Strength-to-Weight Ratio: Optimized cross-sectional geometry delivers greater load capacity with less material usage.
• Excellent Corrosion Resistance: Especially in chloride-rich (316L) or high-temperature oxidative (310S) environments.
• Customizable Dimensions: Available in a wide range of flange widths, web heights, and thicknesses to meet project-specific requirements.
• Precision Manufacturing: Fully automated production lines ensure tight tolerances and uniform quality.
• Eco-Friendly & Recyclable: Stainless steel is 100% recyclable, supporting sustainable construction practices.
• Low Maintenance: Resists rust, staining, and degradation—reducing lifecycle costs significantly.

Material Grades Comparison

Technical Specifications

Our welded H-beams are produced per the following parameters:

• Standards Compliance:

  • GB/T 33814-2017 (China)
  • ASTM A276 / A484 (USA)
  • EN 10088-3 (Europe)
  • ISO 15510

• Manufacturing Process:

  1. Precision cutting of stainless steel plates
  2. Automatic assembly (web + flanges)
  3. Submerged arc welding or high-frequency welding
  4. Post-weld heat treatment (if required)
  5. Dimensional correction & straightening
  6. Surface finishing (pickling, passivation, or polishing)
  7. Ultrasonic & X-ray weld inspection (optional)

• Dimensional Tolerances (per GB/T 33814):

  • Height (H): ±2.0 mm
  • Flange Width (B): ±2.0 mm
  • Web Thickness (tw): ±0.5 mm
  • Flange Thickness (tf): ±0.5 mm
  • Straightness: ≤1.5 mm/m

• Available Sizes (Custom sizes upon request):

  • Height: 100 mm – 1000 mm
  • Flange Width: 50 mm – 500 mm
  • Thickness: 4 mm – 30 mm
  • Standard Length: 6m, 9m, 12m (cut-to-length service available)

Mechanical Properties (Typical Values)

Values may vary slightly based on cold-working or heat treatment conditions.

Applications by Industry

• Construction & Architecture:
  Skyscrapers, bridges, facades, seismic-resistant frames—where aesthetics and longevity matter.

• Chemical & Petrochemical:
  Reactor supports, pipe racks, and platform structures exposed to acids, solvents, or salt spray (316L preferred).

• Marine & Offshore:
  Dock structures, shipbuilding components, and subsea support frames requiring chloride resistance.

• Energy & Power:
  Boiler supports, turbine housings, and flue gas ducts in power plants (310S excels in high-temp zones).

• Food & Pharmaceutical:
  Hygienic structural frameworks that must meet strict cleanliness and non-contamination standards (304/316L).

Why Choose Welded Over Hot-Rolled H-Beams?

• Design Flexibility: Welded beams can be fabricated in non-standard sizes not available in hot-rolled catalogs.
• Material Efficiency: Tailored cross-sections reduce weight without compromising strength—saving up to 15% in steel usage.
• Superior Surface Finish: No mill scale; smoother surfaces ideal for architectural exposure or coating adhesion.
• Consistent Quality: Automated welding ensures uniform microstructure and minimal residual stress.

Quality Assurance & Testing

Every batch undergoes rigorous quality control:

• Chemical Analysis (Spectrometry)
• Tensile & Bend Testing
• Non-Destructive Testing (NDT): UT, RT, or PT for critical welds
• Corrosion Testing: Salt spray (ASTM B117), pitting resistance (PREN calculation)
• Dimensional Inspection: Laser scanning for profile accuracy

Certificates provided: Mill Test Report (MTR), EN 10204 3.1, RoHS/REACH compliance (upon request).

Ordering Information

To place an order or request a quote, please specify:

• Grade (304 / 316L / 310S)
• Dimensions (H × B × tw × tf)
• Length and quantity
• Surface finish (e.g., 2B, BA, No.4, pickled)
• Additional requirements (e.g., NDT, certification, packaging)

We offer global shipping, just-in-time delivery, and engineering support for complex projects.

Conclusion

Grade 304, 316L, and 310S welded stainless steel H-beams represent the pinnacle of modern structural steel—merging strength, corrosion resilience, and design versatility. Whether you're building a coastal resort, a chemical refinery, or a high-temperature industrial furnace, our H-beams deliver unmatched performance and value over decades of service life. Backed by stringent quality controls and customizable manufacturing, they are the smart choice for engineers and architects who refuse to compromise.