10 Inch Diameter Stainless Steel Pipe - ASTM A312 Seamless Welded Tubing

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

Ratings & Reviews

5.0
Very satisfied
Based on 10 reviews for verified purchases
Supplier service
5.0
On-time shipment
5.0
Supplier service
5.0
2025-05-31
Acceptable Quality with Minor Documentation Issues Resolved
Decent product for our sulfuric acid dilution system, some issues resolved. We received 8 tons of 10 inch Schedule 40S welded pipe (316L) but initial Mill Test Certificates had incomplete heat treatment documentation and missing ultrasonic testing reports for 12 of 28 pipe lengths. This created project delay as our QA/QC team couldn't approve material release without full ASME B31.3 compliance documentation. Contacted supplier and they provided supplementary certificates within 5 days including retroactive UT reports and furnace charts proving solution annealing at 1050°C. Final documentation package was complete and acceptable to our engineering team and third-party inspector. Pipe quality itself was good - wall thickness measured 7.82-7.95mm (within ±10% tolerance), weld seams passed our radiographic testing, and passivation treatment showed proper chromium enrichment. Suggest implementing better QC document review before shipment to avoid these administrative delays. Would consider ordering again but with explicit upfront requirements for complete certification packages with initial delivery. Material met specifications once documentation issues were corrected.
2025-06-14
Excellent Technical Support for Oil Sands Application
Long-term partner for our oil sands processing equipment supply business. This is our 9th order over 22 months covering various stainless steel pipe sizes and schedules. Recent 14-ton order of 10 inch Schedule 40S pipe (Grade 316L) for steam-assisted gravity drainage (SAGD) wellhead piping demonstrated their understanding of challenging Canadian applications. Technical consultation included material selection guidance comparing 316L vs duplex 2205 for our 240°C steam service with H2S exposure - their metallurgist recommended 316L with stress-relief heat treatment, which proved correct after 6 months operation with zero corrosion issues. Mill Test Certificates include Charpy V-notch impact testing at -40°C (not standard but critical for Alberta winter conditions) showing 85J average - well above our 27J minimum requirement. Delivery logistics coordinated perfectly with our Fort McMurray project schedule despite remote location challenges. Their commitment to understanding end-use requirements sets them apart in commodity piping market.
2025-07-05
Decent Quality with Competitive Pricing for Refinery Use
Good value proposition for our crude oil transfer line replacement project at our São Paulo refinery. We compared quotes from 6 suppliers including local Brazilian mills and imports from Asia and Europe. Their pricing for 10 inch Schedule 60S seamless pipe was 14% lower than domestic options while meeting ASTM A312 and ASME B31.3 requirements for our Class 300 service. The 9.27mm wall thickness provides adequate pressure rating of 2040 PSI at our operating temperature of 180°C. Surface quality was acceptable with minor mill scale in some areas - required additional wire brushing before welding but within industry norms for mill finish pipe. Lead time extended from quoted 6 weeks to 8 weeks due to customs clearance delays, though supplier provided regular shipping updates. Overall, practical choice for refinery maintenance projects where cost control is important. 4 stars because lead time predictability needs improvement for international orders, but material quality justifies continued sourcing for non-critical path applications.
2025-08-15
Perfect Solution for Desalination Plant Expansion
We ordered 35 tons of 10 inch diameter 316L stainless steel pipe (Schedule 40S and 80S mixed) for our SWRO desalination plant capacity expansion in Abu Dhabi. The pipes serve high-pressure RO feed lines and concentrate discharge systems operating at 1200-1800 PSI. Material certificates documented molybdenum content at 2.6%, providing PREN value of 25.2 - essential for our hypersaline Gulf seawater conditions with TDS exceeding 45,000 ppm. Factory hydrostatic testing at 2700 PSI (1.5x working pressure) with certified documentation gave us confidence in pressure integrity. The supplier's technical team provided valuable input on expansion loop placement for our 85°C brine streams, calculating thermal expansion of 4.2mm per 10-meter run. Delivered in two shipments over 23 days total with perfect coordination to our construction phases. This is our 3rd desalination project using their materials. Exceptional quality and Middle East logistics expertise make them our preferred partner for critical water infrastructure.
2025-09-26
Solid Performance for Ballast Water System Upgrade
Good value for our shipyard ballast water management system retrofit project. We compared quotes from 4 suppliers across Asia-Pacific region, and their pricing for 10 inch Schedule 40S welded pipe was competitive at 8% below regional average while maintaining Lloyd's Register approval and ASTM A312 compliance. The TIG welded seams showed good penetration and minimal heat-affected zone discoloration after our dye penetrant testing. Packaging with plastic caps and bundled strapping was adequate though one bundle had minor scratches from transit - did not affect functionality for our below-deck installation. Communication was generally responsive with 24-48 hour turnaround on technical questions, though time zone differences occasionally caused delays. Overall, reliable supplier for marine-grade stainless steel piping where budget constraints exist. 4 stars because packaging could be more robust for international shipping, but quality-to-price ratio makes them a repeat consideration for future vessel projects.
2025-10-17
Premium Seamless Pipes Delivered Ahead of Schedule
We ordered 28 tons of 10 inch diameter seamless stainless steel pipe (Grade 316L, Schedule 40S) for our North Sea platform hydrocarbon processing module. Quality Assessment: Material certificates showed PREN value of 24.8, yield strength 320 MPa, tensile strength 598 MPa - all exceeding ASTM A312 minimums. We conducted eddy current inspection per ASTM E309 and ferrite testing - results confirmed fully austenitic microstructure with delta ferrite below 2%. Surface finish was exceptional 2B mill finish with average roughness 0.42 μm, no surface defects detected across 47 pipe lengths. The rotary pierced seamless construction eliminates our concerns about weld seam integrity in sour gas service. Delivered in 21 days versus quoted 28 days, allowing us to accelerate our fabrication schedule by one week. This is our 2nd order for offshore applications. Highly recommended for high-pressure subsea and topside piping systems requiring maximum reliability.
2025-11-08
Reliable Long-Term Partner for Stainless Steel Piping
Long-term partner for our industrial piping distribution business. This is our 11th order over the past 18 months totaling 156 tons of various schedules. Consistency has been excellent - every shipment meets dimensional tolerances per ASTM A999 (±0.79mm OD variance), wall thickness within ±10% for seamless construction, and chemical composition stable across different heat numbers. Their quality management system ensures batch-to-batch reliability critical for our inventory planning. Recent 18-ton order of 10 inch Schedule 10S pipe for pharmaceutical client delivered with NSF/ANSI 61 compliance documentation and sanitary certification. Pricing remains competitive even as our order frequency increased. Technical support team helped us develop custom cutting and beveling specifications that reduced our fabrication costs by 15%. Looking forward to continued partnership and expanding into duplex grades for our offshore customers.
2025-11-28
Good Value Schedule 80S Pipes for Chemical Processing
Good value for the price on our acid transfer line project. We compared quotes from 7 suppliers across Europe and Asia, and their price for 10 inch Schedule 80S seamless pipe was 12% lower than European mills while maintaining ASTM A312 certification and full material traceability. The 12.70mm wall thickness pipes handle our 2200 PSI requirement with adequate safety margin. Minor delay of 5 days beyond original 4-week lead time due to ultrasonic testing scheduling, but supplier communicated proactively. Surface finish quality was good though not quite as uniform as premium European producers - acceptable for our buried pipeline application. Overall, solid choice for projects where cost optimization is important without compromising essential quality standards. 4 stars because delivery timeline could be more reliable, but would order again for similar applications.
2025-12-18
Outstanding Service and Documentation for Water Treatment Project
Excellent service experience from inquiry to delivery for our municipal water treatment facility upgrade. Communication: Technical team responded to our RFQ within 6 hours with detailed pressure rating calculations for Schedule 60S configuration and material grade recommendations comparing 304L vs 316L for our chlorine dosing application. Delivery: Original quote was 25 days, but they expedited production and delivered 12 tons of 10 inch seamless pipe in 19 days with full EN 10204 Type 3.1 certificates. Packaging: Each 6-meter length was individually wrapped with protective caps, wooden crate packaging prevented any transit damage. The Mill Test Certificates included complete chemical analysis, mechanical properties, and heat treatment records with full traceability. Their welding engineer provided free consultation on TIG welding parameters and back purging requirements. Professional team that understands B2B project requirements and timeline pressures.
2026-01-02
Excellent Quality 10 Inch 316L Pipes for Seawater System
We ordered 22 tons of 10 inch diameter 316L stainless steel pipe (Schedule 40S, 273.05mm OD) for our seawater intake expansion project. Material certificates showed molybdenum content at 2.4%, carbon at 0.025%, fully compliant with ASTM A312. We conducted hydrostatic testing at 2160 PSI and ultrasonic thickness verification - all results exceeded specifications. Surface finish was excellent 2B with no pitting or weld defects observed. The internal electropolished finish at 0.32 μm Ra is perfect for our chloride-rich environment. Delivered in 18 days, 4 days ahead of our critical path schedule. This is our 4th order from this supplier over 14 months. Quality has been consistently excellent across all shipments. Highly recommended for marine and offshore applications requiring superior corrosion resistance.

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
2850$ 1-49ton Base price
2725$ 50-99ton 4.4% discount
2660$ ≥100ton 6.7% 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$ 2850
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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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