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Steel tube/pipe
Steel pipes and tubes: seamless, galvanized, square, rectangular. ASTM A53/A106, EN 10210, JIS G3444, GB/T 3091. For structural, fluid transport, and general engineering. Browse the full product list below or send an inquiry. ASTM A106/A53, API 5L. OD 21-610 mm. For pressure and structure. Hot-dip galvanized. ASTM A53. For water, gas, and outdoor use. Hollow structural section. For frames, racks, and railings. HSS section. ASTM A500. For structural and architectural use.Steel tube & pipe from Junnan Steel
Steel tube & pipe Product Range at a Glance
Seamless Steel Pipe
Galvanized Steel Pipe
Square Steel Tube
Rectangular Steel Tube
Packing:In bundle or bulk
Material:10#,20#,35#,45#,Q235,16Mn,etc. A106B,A53B,
1.Grade: Q195~Q345
2.Size: SHS 16x16~250x250; RHS 10x20~120x80
1.Size: SHS 16x16~250x250; RHS 10x20~120x80
Surface treatment:Oiled, Galvanization,epoxy coating,etc.
Every steel tube and pipe batch is produced under strict QC. Includes chemical analysis, tensile testing, flattening test, hydrostatic testing, and dimensional checks. Our steel tube & pipe products serve critical roles worldwide. Water, gas, oil pipelines. Seamless pipe for high-pressure applications. Steel building frames, scaffolding, sign supports, canopy structures. Pipe fencing, guardrails, handrails, and balustrades. Hydraulic cylinders, conveyor rollers, machine frames. Founded in 2015, exported steel tube & pipe to 118+ countries. Mill-level pricing, no middlemen. SGS, BV, CIQ. MTC per batch. 15-25 days. FOB, CIF, CFR, EXW. Multi-language. 24h response. Seamless, galvanized, square tube, and rectangular tube. ASTM A53/A106/A500, API 5L, EN 10210, JIS G3444, GB/T 3091. Round OD 21-610 mm. Square 20x20-300x300 mm. Seamless is extruded from solid billet, stronger. Welded is rolled and seam welded, more economical. 15-25 days from deposit. Custom sizes available.Steel tube & pipe Specifications
Steel tube & pipe Applications Across Industries
Fluid Transport
Structural Framing
Fencing & Handrails
Machinery & Equipment
Why Choose Junnan Steel for Steel tube & pipe Supply
10+ Years Export Expertise
Factory-Direct Pricing
Third-Party Inspection
Flexible Shipping
Global Support
FAQ About Steel tube & pipe
What pipe types do you supply?
What standards?
What size range?
What is seamless vs welded?
Lead time?
We will get you a fast free quote and schedule your job on the day and time that works best for you.
