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Ống thép hàn xoắn ốc SSAW

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Ống thép hàn xoắn ốc SSAW
GB/T 9711SY/T 5037API 5LASTM A53/A106GB/T 3091

Ống thép hàn xoắn ốc SSAW

Ống thép xoắn ốc hàn hồ quang chìm hai mặt (SSAW), được sản xuất theo các tiêu chuẩn GB/T 9711, GB/T 3091, SY/T 5037 và API 5L. Thích hợp ch…

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Quick Details

  • MOQNegotiable, trial orders welcome
  • Lead Time15-30 days after deposit
  • Supply Ability20,000 tons / month
  • Loading PortTianjin / Qingdao, China
  • Payment TermsT/T, L/C at sight

Mô Tả Sản Phẩm

Ống thép xoắn ốc hàn hồ quang chìm hai mặt (SSAW), được sản xuất theo các tiêu chuẩn GB/T 9711, GB/T 3091, SY/T 5037 và API 5L. Thích hợp cho cấp thoát nước, truyền tải dầu khí, đóng cọc và các ứng dụng kết cấu. Dải đường kính DN200–DN3800, độ dày thành ống 5–25 mm. Mỗi ống được kiểm tra bằng siêu âm / X-quang trực tuyến và thử thủy lực trước khi giao hàng.

Thông Số Kỹ Thuật

Standard GB/T 9711, GB/T 3091, SY/T 5037, API 5L
Diameter DN200–DN3800
Wall Thickness 5–25 mm
Length 6–12 m or as required
Material Q235B, Q355B, L245–L485 (API 5L Gr.B–X70)
Test UT / X-ray, hydrostatic test

Features & Advantages

Double-sided submerged arc welding for a uniform, reliable weld seam
Large diameter and thick wall capability for main pipeline lines
High dimensional accuracy with stable roundness and straightness
Hydrostatic testing and ultrasonic inspection on every batch
Length up to 12 m or customised, bevelled ends ready for welding
Cost-efficient choice for large-volume transmission projects

Applications

Oil & gas transmissionWater supply pipelinesPiling & foundationStructural useDredgingDistrict heating

Packing & Delivery

Pipes are bundled with steel strips, ends protected with caps, suitable for container or bulk vessel. Coated and insulated pipes are packed per design. Full export documents are provided: commercial invoice, packing list, bill of lading and mill test certificates.

Frequently Asked Questions

What standards do you produce to?
Spiral pipes can follow GB/T 9711, SY/T 5037, API 5L and ASTM standards. Third party inspection such as SGS or BV is welcome before shipment.
What is the largest diameter you can make?
Common range covers DN219 to DN3000 with various wall thicknesses. Tell us your specification and we confirm the production plan within 24 hours.
How do you control weld quality?
Each pipe passes hydrostatic test, and weld seams are checked by ultrasonic or X-ray inspection according to the standard you require.

Request a Quotation

Tell us the size, wall thickness, standard and quantity you need - our sales engineer will reply within 24 hours.

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