As a leading supplier of straight seam welded steel pipes (ERW/LSAW), we provide internationally compliant solutions for industries worldwide. Below is a professional breakdown of materials and applications tailored for global buyers:
Key Materials & International Standards
① Carbon Steel Pipes
Q235B (GB/T) / ASTM A53 Gr.B
Properties: Cost-effective, weldable, ideal for lightweight structures.
Global Use: Scaffolding, furniture frames (Africa/SE Asia), agricultural greenhouses (Middle East).
Q345B (GB/T) / ASTM A500 Gr.C
Properties: High strength (345MPa yield), weather-resistant.
Global Use: Construction beams (EU/US), truck chassis (South America), warehouse racks.
API 5L X42-X70 (PSL1/PSL2)
Properties: Anti-corrosion, high pressure resistance.
Global Use: Oil & gas pipelines (Canada, Russia), offshore platforms (North Sea).
② Alloy Steel Pipes
Q420C/Q460C (EN 10025 S420/S460)
Properties: Low-temperature toughness (-40°C).
Global Use: Wind turbine towers (Northern Europe), mining equipment (Australia).
③ Stainless Steel Pipes
304/316L (ASTM A312, EN 1.4301/1.4404)
Properties: Hygienic, acid-resistant.
Global Use: Food processing (FDA-compliant USA/EU), pharmaceutical tubing (Japan).
