API 5L Welded Steel Pipe - High-Quality Line Pipe for Oil and Gas

Kuaima Steel Co., Ltd.
Verified Custom manufacturer 7yrs CN CN

Ratings & Reviews

5.0
Very satisfied
Based on 8 reviews for verified purchases
Supplier service
5.0
On-time shipment
5.0
Supplier service
5.0
2025-09-22
Acceptable X42 Pipe Quality but Delivery Ran Late
Purchased 18 tons of L290/X42 PSL 1 ERW pipe, 10-inch OD, 5.56mm wall thickness for a refinery utility distribution upgrade. Chemical and mechanical test results were within API 5L limits and the 3.1 MTC was complete. However, delivery arrived on day 21 against the quoted 15-day lead time, which caused a 4-day delay to our installation crew mobilization. When we raised this with the sales contact, the explanation given was port congestion at origin, which is understandable but earlier communication would have helped us replan. Pipe dimensions and end finish were acceptable with no dimensional rejections on site. The issue was logistics coordination rather than product quality. Supplier has since confirmed improved shipment tracking notifications for future orders, so we may trial them again on a smaller requirement.
2025-10-14
Good Value FBE-Coated X60 Pipe for Offshore Platform Topside
Ordered 28 tons of L415/X60 PSL 2 ERW pipe, 6-inch OD, 7.11mm wall thickness with FBE coating for topside process piping on a platform offshore Western Australia. FBE coating thickness averaged 415 microns and holiday test results were all clear. MTC documentation covered chemical, tensile, CVN impact, and hydrostatic test data as required. Pricing was competitive compared to two other suppliers we evaluated. The one area for improvement is the coating end cutback length — it was 150mm on one batch when our spec called for 100mm, requiring minor field rework. Supplier acknowledged the discrepancy and offered a credit note. Material performance on the platform has been satisfactory over the past two months. Would consider for future orders.
2025-11-07
Excellent Service and Fast Quotation for API 5L Mixed Grade Order
As a trading company sourcing for multiple downstream clients across Southeast Asia, we placed a consolidated order of 35 tons covering three grades — L245/Gr.B, L290/X42, and L360/X52 — in ERW format, ranging from 4-inch to 12-inch OD. The supplier accommodated our mixed specification order without requiring separate MOQ per grade, which was critical for our smaller project clients. Quotation with full technical datasheet was returned within 6 hours of inquiry. Letters of credit were processed smoothly and shipping documents including packing list, MTC, and bill of lading were couriered within 3 days of vessel departure. All three clients confirmed material receipt and compliance. This is our fourth order through this supplier and turnaround service has been consistently responsive.
2025-11-29
Premium PSL 2 X65 Pipe with Full Traceability Documentation
Procured 60 tons of L450/X65 PSL 2 LSAW pipe, 20-inch OD, 14.3mm wall thickness for a cross-border gas interconnector project subject to DVGW G 463 requirements. The supplier provided full heat traceability, individual pipe length marking per API 5L Clause 11, and a complete NDT package including automated UT weld seam inspection and manual UT body scan records. Tensile test results showed SMTS values averaging 558 MPa against the 535 MPa minimum. Pipe straightness was within 0.15% of length across all pieces measured. Production lead time was 33 days. German TÜV inspector on-site at mill found no non-conformances during witness inspection. Documentation quality matches what we expect from European mills.
2025-12-25
Reliable X52 ERW Pipe for Onshore Oil Gathering Lines
Ordered 45 tons of L360/X52 PSL 1 ERW pipe, 8-inch OD, 6.35mm wall thickness for crude oil gathering flowlines in Abu Dhabi. Mechanical properties and chemical composition were on specification. EN 10204 3.1 MTC was provided promptly. Delivery took 17 days, slightly longer than the 15-day estimate, but our project timeline was not impacted. One minor point: two pipe lengths had minor end-bevel angle variations that required field correction before welding. The supplier's technical team responded within 4 hours and provided a corrective action report. Overall a solid supplier — we would order again for similar projects.
2025-12-16
Superior SSAW Pipe for Long-Distance Water Transmission Line
Purchased 200 tons of L360/X52 PSL 1 SSAW pipe, 48-inch OD, 8.0mm wall thickness with internal epoxy lining for a 62 km municipal water supply pipeline in Minas Gerais state. Pipe ends were beveled to API 5L tolerances and squareness was within 1.6mm across the entire batch. Internal epoxy lining showed uniform 400–450 micron DFT on holiday detector inspection. Compared quotes from four suppliers — this supplier offered the most competitive price per ton including coating and sea freight to Santos port. Delivery completed in 42 days. No rejections during site inspection. Procurement team is satisfied and we are already preparing the next phase order.
2026-01-02
Outstanding LSAW Pipe Quality for North Sea Subsea Flowline
Sourced 120 tons of L450/X65 PSL 2 LSAW pipe with Annex H sour service compliance, 24-inch OD, 19.1mm wall thickness, complete with 3LPE external coating per DIN 30670. Hardness values across weld seam and HAZ were all below 250 HV10 as required. Charpy impact test results at -20°C averaged 98 J, significantly above the 40 J minimum. Coating adhesion peel test passed at 350 N/10mm. Delivery took 38 days from order confirmation, within the quoted 30–45 day window. Documentation package was thorough — WPS, PQR, NDT reports, and coating inspection records all provided without chasing. Will be specifying this supplier again for our next North Sea contract.
2026-01-17
Excellent API 5L X60 Pipe for Texas Transmission Project
Ordered 85 tons of L415/X60 PSL 2 ERW pipe, 16-inch OD, 9.5mm wall thickness for a natural gas trunk line project in West Texas. Mill Test Certificates confirmed yield strength at 438 MPa and carbon content at 0.10%, well within PSL 2 limits. Hydrostatic test records were included and fully traceable. Shipment arrived in 13 days, beating our project schedule by two days. EN 10204 Type 3.1 certificates were clean and accepted by our third-party inspector without any queries. This is our second order with this supplier and quality has been consistent across both. Recommended for transmission line contractors.

Know your supplier

Kuaima Steel Co., Ltd.

Manufacturer, Trading Company · 7 yrs on Sinoali.com

Located in China

Company overview

Year Established
2010
On-time delivery rate
100.0%
Online revenue
100.0%
Plant Area
>=2000m²
number of employees
80
Response Time
<=4h
Customizable
Same product at rock bottom price
610$ 1-49ton Base price
583$ 50-99ton 4.4% discount
570$ ≥100ton 6.6% discount
Price validity period: Prices subject to market conditions

Supplier's customization ability

  • Drawing-based customization
  • Sample-based customization
  • Full customization
Quantity
Minimum order quantity: 1 ton
Shipping total: To be negotiated
Subtotal of Goods: US$ 610
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Mail
Mail
[email protected]
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Phone
Phone
+86 133 7058 6666
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Whatsapp
Whatsapp
+86 133 7058 6666
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