Tianjin Brisk Steel is one of the manufacturers of Pre galvanized steel pipe in China. Our products are mainly exported to the Middle East, Southeast Asia, Europe, New Zealand, and other regions.If you would like to learn more about our products, feel free to contact us and send your purchase list.
PRODUCT
Tianjin Brisk Steel focus on produce and supply hollow section and steel pipe
What is EN 10219? Understanding the Standard
Key Classifications We Supply:
S235JRH: Ideal for general structural applications requiring reliable weldability and essential strength.
S275J0H / S275J2H: Offers enhanced yield strength and impact resistance at lower temperatures ($0^\circ\text{C}$ and $-20^\circ\text{C}$).
S355J0H / S355J2H: The industry standard for high-strength requirements, maximizing load-bearing capacity while minimizing structural weight.
Technical Specifications & Product Range
Feature | Circular Hollow Sections (CHS) | Square Hollow Sections (SHS) | Rectangular Hollow Sections (RHS) |
Outside Diameter / Dimensions | 21.3 mm – 1219 mm | 20 mm × 20 mm – 400 mm × 400 mm | 40 mm × 20 mm – 500 mm × 300 mm |
Wall Thickness (WT) | 2.0 mm – 40.0 mm | 2.0 mm – 20.0 mm | 2.0 mm – 20.0 mm |
Length | 5.8m, 6m, 11.8m, 12m, or customized lengths | / | / |
Surface Finish | Bare, Lightly Oiled, Black Painting, Anti-Corrosion Coating (3LPE, FBE), or Hot-Dip Galvanized | / | / |
End Execution | Plain ends, Beveled ends, or Threaded & Coupled | / | / |
Why Choose Our EN 10219 Steel Tubes?
1. Superior Dimensional Accuracy
Our advanced cold-forming mills ensure strict adherence to EN 10219 tolerances for straightness, wall thickness, and concavity/convexity. This guarantees seamless fit-up on-site, reducing fabrication time and labor costs.
2. High-Strength & Weight Optimization
Utilizing high-grade S355 steel allows engineers to design lighter structures without compromising safety. This reduction in material weight translates directly to lower transportation costs and smaller carbon footprints.
3. Rigorous Quality Control & Certification
Every batch undergoes stringent testing to guarantee compliance before dispatch. We provide full traceability with Mill Test Certificates (MTC)
according to EN 10204 3.1 or 3.2.
Mechanical Testing: Tensile strength, yield strength, and elongation.
Impact Testing: Charpy V-notch impact tests at specified temperatures ($0^\circ\text{C}$, $-20^\circ\text{C}$).
Non-Destructive Testing (NDT): Eddy Current or Ultrasonic testing on the weld seam to ensure absolute integrity.
FAQ
Q: What is the difference between EN 10219 and EN 10210 steel tubes?
A: The primary difference lies in the manufacturing process and resulting mechanical properties. EN 10219 covers cold-formed welded tubes, which are cost-effective and have tighter dimensional tolerances. EN 10210 covers hot-finished tubes, which exhibit lower internal stresses and better performance under extreme dynamic loads, but generally come at a higher cost.
Q: What do the designations "JRH", "J0H", and "J2H" mean?
A: These designations indicate the impact test requirements for the steel grade:
JRH: No specific impact test required.
J0H: Impact test performed at 0℃ with a minimum energy absorption of 27 Joules.
J2H: Impact test performed at -20℃ with a minimum energy absorption of 27 Joules (ideal for cold-climate applications).
Q: Can EN 10219 steel tubes be hot-dip galvanized?
A: Yes, absolutely. Our EN 10219 steel tubes can be supplied with a hot-dip galvanized coating to provide excellent long-term corrosion protection, making them ideal for outdoor and marine environments.
Contact Us
Contact us for free samples, detailed technical parameters and exclusive quotation! Brisk Steel adheres to high-quality manufacturing to provide reliable structural steel pipe solutions for global customers.
Hot Tags: steel tube for engineering construction, China steel tube for engineering construction manufacturers, suppliers, factory
