Unrivated Carbon Steel Welded Pipe Crafted with ISO 9001 Certified for Quality¹

Product Description Product DescriptionWelded Carbon Steel Round Pipe/Seamless Carbon Steel Round Pipe/Welded Carbon Steel Square Pip1. Material and process advantagesHigh-strength material: Q195/Q235/Q345 or ASTM A53/A106 carbon steel, strong pressure and impact resistance.Advanced technology: high-frequency welding (ERW)/submerged arc welding (LSAW)/seamless cold-drawn to ensure precise size and uniform weld seam.Anti-corrosion treatment: hot-dip galvanizing, epoxy coating or spray painting are optional to extend outdoor service life.2. Cost and delivery advantagesFavourable price: large-scale production, 30%-50% lower cost than seamless pipe.Fast delivery: regular specifications in stock, customised sizes delivered in 7-15 days.3. Certification and Quality AssuranceInternational Certification: Passed ISO 9001, CE, API 5L, GB/T 3091 and other standards. 1.Welded Carbon Steel Round PipeParameterSpecification RangeCommon SizesStandardOD10mm-2000mm21.3mm, 48mm, 114mmGB/T 3091, ASTM A53Wall Thickness0.8mm-20mm2.0mm, 3.6mm, 6.0mmEN 10219, JIS G3444Length1m-12m(Customisation up to 18m)6m, 12m MaterialQ195, Q235B, Q345BASTM A36, SS400 ProcessERW/LSAW  2.Seamless Carbon Steel Round PipeParameterSpecification RangeCommon SizesStandardOD6mm-800mm25mm, 60mm, 168mmGB/T 8163, ASTM A106Wall Thickness1mm-50mm3mm, 8mm, 12mmDIN 2448, API 5LLength3m-12m(Customisation up to 15m)5.8m, 11.8m Material20#, 45#, 16MnASTM A53 Gr.B, ST52 3.Welded Carbon Steel Square PipeParameterRangeStock SizesStandardFeatureSide Length10×10mm - 500×500mm20×20mm, 50×50mmGB/T 6728, ASTM A500ERW,internal and external deburringWall Thickness0.8mm-20mm1.5mm, 3.0mmJIS G3463, EN 10219Flat weld seam, high strengthLength1m-12m(Customisation )6m, 12m----Flat cut, ±1mm toleranceMaterialQ195/Q235B/Q345B/Q355ASTM A36, SS400----galvanized/paintedApplicationsIndustryApplicationsConstructionBuilding frameworks, scaffolding, guardrails, roofing supports.Oil & GasLow-pressure pipelines, casing pipes, water injection lines (API 5L compliant).Water SupplyMunicipal water drainage, fire sprinkler systems, irrigation pipes.MechanicalConveyor rollers, hydraulic cylinders, truck chassis components.AgricultureGreenhouse frames, livestock fencing, grain storage bins.Customisation serviceFlexible size: support customized outer diameter (OD 10mm-2000mm), wall thickness (1mm-50mm), length (1m-12m)Main ProductsCompany ProfileEmerging in the 1980s,Lecong Steel World draws on over forty years o successful steel trading experience and officially established in 2009.Over the past decade,we are committed to develop a comprehensive supply chain system encompassing 'metal trading-warehousing-logistics-processing and distribution,'offering one-stop solutions for global manufacturing,infrastructure,machinery,construction,fire engineering,municipal projects,steel structure initiatives,and more than 20 steel-using industries.As of today,the park has evolved into the largest wholesale market for metal materials worldwide.Our Global is to empower our clients to gain competitive advantages through cost reduction and improved efficiency,thereby establishing our premium brand image in the global metal industry.Workshop & EquipmentExhibitions & Our CustomersCertificationsPackaging & ShippingFAQHow long has your company been established? Do you have import and export rights?           We Steel World established in 2009,and owns the rights to export.Is there a factory or production line? Can you provide photos/videos of the factory? Is it possible to visit the factory?           We have our own machining centre and large diameter pipe factory, we can provide you with the factory photos and production line videos you want, and                you are always welcome to visit our factory.Availability of international product certification and industry certification (e.g. ISO, CE, RoHS, etc.)           We can meet customers' international product certification, such as: GB, EN, JIS, Australian Standard and so on.            The factories under our company have met the ISO certification, ROHS and other certifications.        4. What is the minimum order quantity (MOQ)? Is it in stock? How long is the lead time?            MOQ and lead time will depend on specific products. We mainly deal in stock and can deliver in 2-3 days. However, for special requirements, customisation               is required and lead time is needed.      5.What payment methods are accepted?          We can accept TT, LC, PayPal,West Union and other payment methods. 

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