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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
Grade: Q195 Q345B
Advantage: High quality and good price
Material: Q195
Usage: Oil Gas Sewage Transport
Material: Q195
Usage: Oil Gas Sewage Transport
Grade: Q195 Q345B
Advantage: High quality and good price
Grade: Q195 Q345B
Advantage: High quality and good price
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.
