Keywords:‌
H-beam steel, structural steel beams, China H-section steel, construction steel profiles, Blubro steel products, load-bearing beams, ASTM A36 steel, customized steel beams, industrial construction materials

‌Meta Description:‌
Blubro.com supplies high-quality H-beam steel for construction and industrial applications. Available in standard and customized sizes with ASTM/EN/JIS certifications. Features excellent load-bearing capacity and welding performance. OEM services available.

‌Material Specifications:‌

• ‌Steel Grade‌:
  • Q235B/Q345B (GB standard)
  • ASTM A36/A572
  • SS400/SM490 (JIS standard)

• ‌Chemical Composition‌:
  • Carbon content: 0.17-0.22%
  • Manganese: 0.90-1.60%
  • Sulfur/Phosphorus: ≤0.040%

‌Manufacturing Process (Blubro Advantages):‌

1. ‌Hot Rolling Production‌:

   • Continuous casting billet
   • Computer-controlled rolling mill
   • Online dimensional monitoring

2. ‌Quality Control‌:

   • Ultrasonic flaw detection
   • Mechanical property testing
   • Straightness control (±1mm/m)

‌Product Specifications:‌

• ‌Standard Sizes‌:
  • 100×100mm to 900×300mm
  • Web thickness: 6-40mm
  • Flange width: 50-300mm

• ‌Length Options‌:
  • Standard: 6m/9m/12m
  • Custom: up to 18m

• ‌Tolerances‌:
  • Height: ±2.0mm
  • Width: ±1.5mm
  • Web thickness: ±0.7mm

‌Key Applications:‌
✓ High-rise building structures
✓ Industrial plant frameworks
✓ Bridge construction
✓ Heavy equipment support
✓ Warehouse rack systems

‌Blubro.com Competitive Advantages:‌

1. ‌Production Capacity‌:

   • Annual output: 500,000+ tons
   • 15,000㎡ warehouse storage

2. ‌Quality Assurance‌:

   • Mill test certificates provided
   • Third-party inspection accepted
   • ISO 9001 certified production

3. ‌Customization Service‌:

   • Non-standard size cutting
   • Special alloy compositions
   • Surface treatment options

4. ‌Logistics Support‌:

   • Bulk vessel loading capability
   • Containerized packaging
   • Just-in-time delivery system

‌Additional Services:‌

• Structural calculation support
• CAD drawings provided
• On-site technical guidance
• Private label packaging