Products
Seamless Carbon Steel Pipe
Products Category
- Material Grade: Q195 / Q235 / Q345 / S235 / S355
Shape: Square / Rectangular
Section Type: Hollow Section (SHS / RHS)
Outer Size: 10×10mm – 500×500mm
Wall Thickness: 0.6mm – 20mm
Length: 6m / 12m / Customized
Surface: Black / Galvanized / Oiled / Painted
Standard: ASTM A500 / EN10219 / GB/T6728
Technique: ERW / Cold Rolled / Hot Rolled
Application: Construction, Furniture, Frame, Machinery
Packing: Standard Seaworthy Export Packing - Material: Carbon Steel (API 5L X42 / X52)
Standard: API 5L / ASTM A106 / ASTM A53
Process: Seamless (SMLS)
Size Range: 1/2" – 48" (DN15 – DN1200)
Wall Thickness: Sch20 – Sch160 / STD / XS / XXS
Surface: Black Painted / Varnish / Oiled / PE Coated
Length: 6m / 12m / Custom
Ends: Plain / Beveled / Threaded
Application: Oil, Gas, Water, High-Pressure Pipeline
MOQ: 3 Tons
Delivery Time: 7–15 Days - Material: ASTM A106 Grade B (Carbon Steel)
Standard: ASTM A106 / ASME B36.10 / API 5L
Process :Seamless (SMLS)
Size Range :1/2" – 24" (DN15 – DN600)
Wall Thickness :Sch40 / Sch80 / Sch160
Surface :Black Painted / PE Coated / Oiled / Bare
Length :6m / 12m / Custom
Ends :Plain End / Beveled End / Threaded
Application :High Pressure / Fluid / Oil / Gas / Steam
MOQ :3–5 Tons
Delivery Time: 7–15 Days - Material: Carbon Steel (ASTM A106 / St37)
Process: Seamless / Cold Rolled / Cold Drawn
Outer Diameter: 6mm – 508mm (Customizable)
Wall Thickness: 0.5mm – 25mm
Length: 6m / 12m / Custom Cut
Surface: Polished / Oiled / Pickled / Galvanized
Standard: ASTM / DIN / EN / JIS / GB
MOQ: 3–5 Tons
Delivery Time: 7–15 Days - Material: Carbon Steel (Q235 / ASTM A106 / A53)
Type: Seamless / Hot Rolled / Round Pipe
Outer Diameter: 8mm (Customized Size Available)
Wall Thickness: 0.8mm – 25mm
Length: 6m / 12m / Custom Cut
Surface: Black / Galvanized / Oiled / Pickled
Standard: ASTM / JIS / EN / GB
MOQ: 3 Tons
Delivery Time: 7–15 Days - Material: ASTM A36
Type: Hot Rolled / Welded / Round Pipe
Outer Diameter: 20mm – 600mm
Wall Thickness: 1.5mm – 25mm
Length: 6m / 12m or Custom
Surface: Black / Oiled / Galvanized
Standard: ASTM / JIS / EN / GB
MOQ: 3 Tons
Delivery Time: 7–15 Days - Standard: ASTM A106 / ASTM A53 / API 5L
Grade: A106 Gr.B / A53 Gr.B / API 5L Gr.B / X42–X70
Outer Diameter: 10mm–1020mm
Wall Thickness: 1.5mm–60mm
Length: 5.8m / 6m / 12m
Technique: Hot Rolled / Cold Drawn / Cold Rolled
Ends: Plain End, Beveled End
Applications: Oil & gas transport, high-temperature pipelines, boilers, machinery
Surface: Black, Oiled, Varnish, Anti-rust Coating
Certificate: ISO, SGS, MTC - Material: Carbon Steel (ASTM A106 / ASTM A53 / API 5L).
Standards: API 5L / ASTM A106 / ASTM A53 Grade B.
Size: 6" nominal bore (Outer Diameter per SCH40 standard).
Schedule: SCH40 (ANSI).
Wall Thickness: SCH40 typical thickness for 6" ≈ 0.280" (7.11 mm) — customizable.
Length: 5.8m / 6.0m / 12.0m / Cut-to-length (custom).
Surface Coating: Hot-dip Galvanized / Epoxy Coating / Black Oiled.
Ends: Plain End (PE) / Beveled End (BE) / Threaded (on request).
Manufacture: Seamless (hot rolled / cold drawn as per requirement).
Service: Suitable for high-pressure oil, gas and water pipelines (check grade & wall thickness for exact ratings).
Certs: MTC, PMI on request, Hydrostatic Test, Third-party inspection (SGS/BV).
Sales Models: Factory Direct / Wholesale / OEM.
Min Order: 1 Ton / as negotiated.
| Feature | Seamless Pipe | Welded Pipe |
| Weld Seam | No | Yes |
| Pressure Resistance | Higher | Standard |
| Cost | Higher | Lower |
| Surface Finish | Good | Good |
| Best Use | High Pressure / Critical Use | General Use |
FAQ
1. What is seamless carbon steel pipe?
Seamless carbon steel pipe is pipe manufactured from solid steel billets without any welded seam, offering higher strength and pressure resistance.
2. What are seamless pipes used for?
3. What is the difference between seamless pipe and welded pipe?
4. What standards of seamless pipe do you supply?
5. What sizes of seamless carbon steel pipe are available?
6. What are common wall thickness schedules?
7. Is seamless pipe suitable for high-pressure service?
8. Does seamless carbon steel pipe rust?
9. How are seamless pipes packed for export?
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