Carbon Steel Pipe Exporter - High-Quality Seamless & Welded Pipes

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
2025-09-01
Acceptable Quality on Custom Wall Thickness – Documentation Issue Resolved
Ordered 8 tons of ASTM A106 Gr.B seamless pipes with a non-standard wall thickness of 11mm in OD 114.3mm for a bespoke pressure vessel application. The pipes themselves passed our incoming inspection—dimensions were within tolerance and MTC mechanical values were compliant. However, the initial documentation package was missing the hydrostatic test pressure values on the MTC, which our client's QA team flagged immediately. We raised this with the sales team and a corrected MTC was issued within 48 hours, but it caused a 3-day hold on our fabrication schedule. Delivery itself was 31 working days, within the quoted 25–35 day window for custom production. The issue was resolved professionally, but tighter document QC before dispatch would make this a straightforward 5-star experience.
2025-09-14
Decent ASTM A53 Welded Pipes – Competitive on Combined Order MOQ
Ordered a mixed lot of ASTM A53 Gr.B ERW pipes across three sizes—1", 2", and 3" OD—totaling 11 tons for a district heating retrofit in Alberta. Appreciated that they accepted a combined order to meet the 10-ton MOQ rather than requiring 5 tons per size, which would have been difficult for our project scope. MTCs were compliant and arrived with the shipment. Surface condition was acceptable with standard mill scale—as expected for A53 ERW. Delivery to Vancouver port took 14 working days for stock items, within the quoted 7–10 day window from our order confirmation date, though customs clearance on our end added a few days. Pricing was fair. Would consider for future smaller mixed-specification orders.
2025-10-02
Good Value API 5L Pipes for Offshore Platform – Minor Lead Time Variance
Procured 22 tons of API 5L Gr.X65 PSL2 seamless pipes, OD 273mm, SCH 40, for a subsea tie-in project off the Western Australia coast. Quality was solid—chemical composition and mechanical properties on the MTCs were fully compliant, and the hydrostatic test pressure was documented at 1.5x the specified minimum. Pricing on a CFR Fremantle basis was 8% below our previous supplier for equivalent PSL2 material. The one area to note: delivery came in at 38 working days versus the 35 quoted, due to mill scheduling. The team communicated the delay proactively 5 days before the original date, which allowed us to adjust our installation window without impact. Overall a dependable supplier; we'll use them again with slightly more lead time buffer built in.
2025-10-20
Superior Seamless Pipe Quality for High-Pressure Process Lines
Ordered 12 tons of ASTM A106 Gr.B seamless pipes in SCH XXS, OD 88.9mm, for high-pressure process piping in a chemical plant expansion near Düsseldorf. Wall thickness measured at 15.24mm across all sampled pieces—within the ±12.5% tolerance per ASTM A106. Yield strength on MTC averaged 268 MPa, comfortably above the 240 MPa minimum. We requested a Lloyd's pre-shipment inspection and it was coordinated within 3 working days of our request. Pipes were packed in hexagonal bundles with steel strapping and end caps—arrived at Hamburg with no transit damage. For SCH XXS specifications that are difficult to source locally, this exporter has become our go-to.
2025-11-08
Reliable LSAW Pipes for Structural Construction – Repeat Order
This is our fourth order with this exporter. Latest shipment was 60 tons of EN 10219 LSAW welded pipes, OD 610mm, 12.7mm wall thickness, for structural column applications in a commercial development in São Paulo. This time we also requested FBE internal coating, which was applied and documented correctly per the spec sheet. MTCs showed carbon content at 0.22%, consistent with previous orders. FOB Shanghai pricing has remained stable across all four orders, which matters a lot for our project cost planning. Delivery to Santos port took 32 days including transit—on schedule. Our site QC team has had zero rejections across all four batches.
2025-12-01
Premium ERW Pipes with 3LPE Coating for Water Transmission
Placed an order for 45 tons of API 5L PSL2 ERW pipes, OD 323.9mm, 9.5mm wall thickness, with 3LPE external coating for a municipal water transmission project in Abu Dhabi. The coating adhesion peel strength exceeded 150 N/cm on the inspection report—above the required threshold. Beveled ends per ASME B16.25 were clean and within tolerance. CFR Jebel Ali pricing was competitive; we compared quotes from four regional suppliers and this came in 6% lower with better lead time. Delivery completed in 28 working days as quoted for the coated product. Third-party TÜV inspection was arranged smoothly. Highly recommended for infrastructure projects in the GCC.
2025-12-22
Outstanding Documentation and Traceability on ASTM A106 Pipes
We sourced 18 tons of ASTM A106 Gr.B seamless pipes in SCH 80, ranging from 2" to 6" OD, for a power station steam distribution upgrade in Wales. What stood out was the documentation package—original MTCs, certificate of origin, packing list with bundle-level heat number traceability, and fumigation certificate all arrived digitally within 24 hours of vessel loading. Bureau Veritas inspection was coordinated without any scheduling delays on our end. Tensile strength verified at 432 MPa on the 4" pipes. This level of traceability is exactly what our client's QA team requires. Will be specifying this supplier on our next EPC project.
2026-01-07
Excellent API 5L Seamless Pipes for Upstream Oil Project
Ordered 28 tons of API 5L Gr.X52 seamless pipes, OD 168.3mm, wall thickness 9.27mm (SCH 40), for a wellhead gathering line project in Texas. Mill test certificates per EN 10204 3.1 confirmed yield strength at 387 MPa and carbon content at 0.24%—well within ASTM A106 Gr.B limits. Hydrostatic test results were included without us even requesting them. Pipes arrived at Houston port 9 days after order confirmation, 2 days ahead of the quoted schedule. SGS pre-shipment inspection report was clean. We've since placed a follow-up order for the next phase. Solid exporter for upstream oil and gas procurement.

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
730$ 1-49ton Base price
698$ 50-99ton 4.4% discount
682$ ≥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$ 730
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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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