ISO 9001:2015 · CE · SGS / BV READY

JCOE STEEL PIPE

Carbon, alloy, seamless and sharp-corner square & rectangular sections -- every piece backed by an original mill test certificate and cut to your drawing before loading.

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Items in this category: 45
Total catalogue: 818
Certificate coverage: 100%

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Showing 1-9 of 45 products

Aug 16, 2026

ASTM A53 Gr.B JCOE LSAW Steel Pipe DN1400 8-50mm WT Supplier

ASTM A53 Gr.B JCOE LSAW Steel Pipe, API 5L / EN 10210, DN1400 with 8–50 mm wall thickness — produced via JCOE forming and submerged arc welding for large-diameter pipeline integrity. Multi-grade coverage includes API 5L X42–X70 and ASTM A53 Gr.B for oil, gas, and water transmission. Surface options: 3LPE, FBE, or hot-dip galvanized for buried corrosion protection. Full traceability with original mill test certificates, SGS/BV third-party inspection, and ISO 9001:2015 certified production ensure compliance for global pipeline projects.

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Aug 16, 2026

Q235B Q345B JCOE Welded Steel Pipe Pile OD 325-5500mm Supplier

Q235B Q345B JCOE Welded Steel Pipe Pile, OD 325–5500 mm, wall thickness 6–100 mm, lengths up to 120 m — JCOE forming enables large-diameter longitudinal welding for heavy foundation and marine piling, with hot/cold rolled interlocks, pipe shoes, and flanges fabricated to match sheet pile systems. Multi-layer anti-corrosion options include 3PE, FBE, and marine paint for long-term durability in offshore and harbour environments. Full accessory fabrication and coating available from a single source, backed by original mill test certificates and third-party inspection for every shipment.

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Aug 16, 2026

Q235 Q345 EH36 JCOE Tubular Steel Sheet Pile 18mm Supplier

Q235 Q345 EH36 JCOE tubular steel sheet pile, 18mm wall thickness, round section, ±1% tolerance — JCOE forming ensures precise geometry for large-diameter piling applications. Available in carbon to high-strength marine grades with full custom processing including bending, welding, and punching to project-ready dimensions. Direct mill supply with original MTC per heat number, ISO 9001:2015 and CE certified, SGS/BV third-party inspection available for full traceability.

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Aug 16, 2026

SPA-H Corten Steel Square Tube JIS G3125 ERW LSAW Supplier

SPA-H Corten Steel Square Tube, JIS G3125, wall thickness 0.9 mm, lengths 6 m / 6.4 m / 12 m — hot-rolled black surface with ERW process, ready for welding, punching, and bending without additional coating. Tolerance held at ±1% for flatness and dimensional accuracy during fabrication. - Full MTC with heat number traceability, SGS/BV inspection available, ISO 9001 & CE certified supply chain.

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Aug 16, 2026

Q235B Q355B Large Diameter LSAW Steel Pipe OD 355.6-4000mm API 5L EN 10217

Q235B Q355B Large Diameter LSAW Steel Pipe, OD 355.6–4000 mm, WT 8–50 mm, up to 12 m length — produced via JCOE forming technology, enabling heavy wall thickness and large outer diameter for oil & gas pipelines, piling, and bridge engineering. Available in API 5L, EN 10217, and GB/T 9711 grades with beveled or plain ends ready for field welding. ISO 9001:2015 and CE certified, original mill test certificates with full traceability, SGS/BV third-party inspection supported.

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Aug 16, 2026

L290M Straight Seam Submerged Arc Welded Pipe API 5L Supplier

L290M Straight Seam Submerged Arc Welded Pipe, API 5L, OD 21.3–914.4 mm, WT 4–60 mm — submerged arc welding ensures consistent weld integrity for high-pressure fluid transport, with varnish or anti-rust coating and beveled ends for reliable field jointing. Available in ASTM A106/A53 and DIN equivalents for global project compatibility. - Original mill test certificates with verified heat numbers and chemical composition for full traceability - ISO 9001:2015 and CE certified with SGS/BV third-party inspection available

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Aug 16, 2026

A106 LSAW Steel Pipe OD 355.6-1626mm ASTM Supplier

A106 LSAW Steel Pipe, ASTM, OD 355.6–1626 mm — longitudinally submerged arc welded with uniform seam strength, hot-rolled surface finish, and punching processing available for pipeline and industrial applications. Full traceability via original mill test certificates with heat number and mechanical property reports, plus third-party inspection (SGS/BV) and CE/ISO certified supply chain for hassle-free customs clearance.

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Aug 16, 2026

API 5L X42 PSL1 LSAW Welded Steel Pipe OD 406-1524mm Supplier

API 5L X42 PSL1 LSAW Welded Steel Pipe, OD 406.4–1524 mm, WT 8–50 mm — submerged arc welding ensures full-penetration weld integrity for high-pressure oil and gas pipelines. Available with 3LPE or epoxy coating for corrosion protection in offshore and buried environments. Full-range sizes in stock with original mill test certificates, SGS/BV third-party inspection, and ISO 9001:2015 certified quality for hassle-free customs clearance.

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Aug 16, 2026

Q235B LSAW Welded Steel Pipe OD 406-1524mm API 5L EN10219 Supplier

Q235B LSAW Welded Steel Pipe, API 5L / EN10219, OD 406–1524 mm, WT 8–60 mm — longitudinally submerged arc welded for high seam integrity under high-pressure fluid and gas transmission. Available in S235JR, S355, A36, Gr.B grades with 3PE, FBE, or epoxy coating for corrosion protection in buried or offshore environments. Full API 5L and ISO 9001:2015 certification with original mill test certificates and SGS/BV third-party inspection for hassle-free customs clearance.

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Original mill test certificate, heat-number traceable
Plasma / flame cutting to your drawing (± 2 mm typical)
Flatbed, open-top and break-bulk shipping planning

JCOE STEEL PIPE

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