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Straight Seam Steel Pipe
Straight-seam round steel pipe with uniform wall thickness, accurate dimensions, easy fabrication, and cost-effective performance for structures and low-pressure fluid transfer.
| Material: | Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel available |
| Outer Diameter: | DN15-DN200 standard stock; thin-wall and heavy-wall custom options available |
| Length: | Standard 6 m fixed length; cut-to-length, threading, and beveling available |
| Surface: | Black finish, hot-dip galvanized, or polished finish available |
Product Features
- High-frequency straight-seam welded forming creates a round hollow section with uniform wall thickness.
- Flat and firm weld seam supports cutting, bending, threading, and welding on site.
- Light weight and high cost performance suit common indoor and outdoor service conditions.
- Neat stacking and convenient handling support large-volume structural and fluid-piping projects.
Common Specifications
- Material: Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel available
- Outer Diameter: DN15-DN200 standard stock; thin-wall and heavy-wall custom options available
- Length: Standard 6 m fixed length; cut-to-length, threading, and beveling available
- Surface: Black finish, hot-dip galvanized, or polished finish available
Applications
- Low-pressure water supply, drainage, fire branch pipes, and ventilation lines
- Guardrail posts, greenhouse frames, equipment supports, and scaffolding pipes
- Handrails, door/window frames, and outdoor decorative round structures
- Small equipment bases, conveyor rollers, and hardware raw materials
