ERW JIS Galvanized Square And Rectangular Steel Tubes
Our ERW JIS galvanized square and rectangular tubes are high-quality hollow sections manufactured by high-frequency Electric Resistance Welding (ERW) technology and finished with hot-dip galvanizing. Strictly produced in accordance with JIS (Japanese Industrial Standards) specifications, these products combine high strength, excellent corrosion resistance, and precise dimensional control, making them ideal for building structures, machinery manufacturing, fluid conveyance, and municipal engineering projects.
Core Advantages
Advanced ERW Welding Technology
Electric Resistance Welding technology ensures stable and reliable weld quality, with joint strength superior to traditional methods, guaranteeing structural integrity in load-bearing and fluid conveyance applications. High-efficiency automated production lines ensure product consistency and manufacturing efficiency.
Superior Galvanized Coating
Hot-dip galvanized coating provides excellent corrosion protection, with zinc layer thickness customizable, significantly extending service life in humid, outdoor, and harsh environments. The surface is smooth, uniform, and offers strong adhesion.
Strict JIS Standard Compliance
Produced in strict compliance with JIS G3466 and other Japanese Industrial Standards, our products feature high dimensional accuracy and consistent mechanical properties. Also available to meet ASTM A500, GB/T 6728, EN 10219, and other international standards.
Wide Range of Materials & Specifications
Multiple material grades are available including Q195, Q215, Q235, Q345, S235JR, and S355JR to suit various strength requirements. Comprehensive size range covers a broad spectrum of applications.
Square and Rectangular RHS:10 x 10mm - 600 x 600mm
Length:6m - 12m or customizable upon request
Typical Applications
● Building Structures
Steel frameworks, industrial plant supports, roof trusses, scaffolding systems
● Machinery Manufacturing
Equipment racks, conveyor lines, automation equipment components
● Fluid Conveyance
Low-pressure water, gas, oil pipelines, fire sprinkler systems
Processing Services
Custom processing services available including welding, punching, cutting, bending, chamfering, and threading. Secondary processing can be performed according to customer drawings to meet specific project requirements.
Packaging & Delivery
Packaging:Steel strapping bundles, woven fabric wrapping, pallet packaging, or as per customer requirements
Shipping:Container or bulk vessel, shipped from Tianjin Port
Delivery Time:8-45 days after receipt of deposit, depending on order specifications and quantity
