welded pipe

welded pipe
We supply ERW, SSAW and LSAW welded steel pipes to ASTM A53, BS 1387 and GB/T 3091 standards. Materials include Q235B, Gr.B and S235. Products are used for fluid transmission, structural support, scaffolding and piling. Surface finishes available: black bare, hot dip galvanized, oiled, FBE or 3PE coating. Custom lengths and export packing are offered.
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Product Description

Item

Description

Product   Name

Welded   Steel Pipe

Process   Types

ERW   (Electric Resistance Welding)   SSAW (Spiral Submerged Arc Welding)   LSAW (Longitudinal Submerged Arc Welding)

Applicable   Standards

ASTM   A53 Gr.A/B; ASTM A500 Gr.B/C; ASTM A135; ASTM A795; BS 1387; BS EN 10255;   GB/T 3091; GB/T 13793; JIS G3444; JIS G3452; Custom upon request

Material   Grades

ASTM   A53 Gr.B; A500 Gr.B/C; BS EN 10219 S195/S235/S355; GB Q195/Q235B/Q355B; JIS   STK400/STK500/SGP

Outside   Diameter

Round   pipe: 21.3mm – 660mm (ERW); 219mm – 3000mm (SSAW/LSAW)   Square/Rectangular tube: 20×20mm – 500×500mm, thickness 1.0mm – 22.0mm

Wall   Thickness

ERW:   1.0mm – 22.0mm   SSAW/LSAW: 4.0mm – 25.4mm

Fixed   Length

6m,   9m, 12m or custom length (typically 5.8m – 12.2m)

Surface   Finish

Black/bare   pipe; Hot dip galvanized; Oiled; FBE (Fusion Bonded Epoxy); 3PE   anti-corrosion coating

End   Finish

Plain   End; Beveled End; Threaded + Coupling

Main   Applications

Fluid   transmission (water, oil, gas); Structural (scaffolding, handrails, steel   supports); Low-pressure piping; Fire protection piping; Piling; Mechanical   manufacturing

Inspection   & Certificate

Hydrostatic   test; Eddy current/Ultrasonic testing (NDT). Mill Test Certificate (MTC)   supplied; Third-party inspection (SGS, BV) available upon request

Packing   Methods

Hexagon   / Rectangular bundles; Steel strips binding (each bundle ≤3 tons); Plastic   end caps; Export seaworthy packing: bundles + edge protectors + PE rain   cover; Anti-rust oil or VCI paper optional

Minimum   Order Quantity

One   20ft container (approx. 18–25 tons); Mixed sizes allowed

Delivery   Time

Stock:   7–15 days; Mill rolling orders: 25–40 days (depending on quantity and   coating)

Main   Loading Port

Tianjin   Port (primary), Qingdao Port, Shanghai Port


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Factory Display

We possess modern, intelligent steel production workshops, along with world-leading rolling, processing, and quality inspection equipment, and have established a fully traceable production management and control system.

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