Lightweight Corrosion Resistant Round Tubing Easy Installation Long Service Life Greenhouse Frames Fencing Posts Temporary Shelters Galvanized Steel Pipe

Product Description

Product Description

Welded Carbon Steel Round Pipe/Seamless Carbon Steel Round Pipe/Welded Carbon Steel Square Pipe

1. Material and process advantages
High-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 advantages
Favourable 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 Assurance
International Certification: Passed ISO 9001, CE, OCTG 5L, GB/T 3091 and other standards.
 

1.Welded Carbon Steel Round Pipe

Parameter	Specification Range	Common Sizes	Standard
OD	10mm-2000mm	21.3mm, 48mm, 114mm	GB/T 3091, ASTM A53
Wall Thickness	0.8mm-20mm	2.0mm, 3.6mm, 6.0mm	EN 10219, JIS G3444
Length	1m-12m(Customisation up to 18m)	6m, 12m
Material	Q195, Q235B, Q345B	ASTM A36, SS400
Process	ERW/LSAW

2.Seamless Carbon Steel Round Pipe

Parameter	Specification Range	Common Sizes	Standard
OD	6mm-800mm	25mm, 60mm, 168mm	GB/T 8163, ASTM A106
Wall Thickness	1mm-50mm	3mm, 8mm, 12mm	DIN 2448, OCTG 5L
Length	3m-12m(Customisation up to 15m)	5.8m, 11.8m
Material	20#, 45#, 16Mn	ASTM A53 Gr.B, ST52

3.Welded Carbon Steel Square Pipe

Parameter	Range	Stock Sizes	Standard	Feature
Side Length	10×10mm - 500×500mm	20×20mm, 50×50mm	GB/T 6728, ASTM A500	ERW,internal and external deburring
Wall Thickness	0.8mm-20mm	1.5mm, 3.0mm	JIS G3463, EN 10219	Flat weld seam, high strength
Length	1m-12m(Customisation )	6m, 12m	----	Flat cut, ±1mm tolerance
Material	Q195/Q235B/Q345B/Q355	ASTM A36, SS400	----	galvanized/painted

Applications

Industry	Applications
Construction	Building frameworks, scaffolding, guardrails, roofing supports.
Oil & Gas	Low-pressure pipelines, casing pipes, water injection lines (OCTG 5L compliant).
Water Supply	Municipal water drainage, fire sprinkler systems, irrigation pipes.
Mechanical	Conveyor rollers, hydraulic cylinders, truck chassis components.
Agriculture	Greenhouse frames, livestock fencing, grain storage bins.

Customisation service
Flexible size: support customized outer diameter (OD 10mm-2000mm), wall thickness (1mm-50mm), length (1m-12m)

Main Products

Company Profile

Emerging 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 & Equipment

Exhibitions & Our Customers

Certifications

Packaging & Shipping

FAQ

1. How 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.

1. 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.

1. 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.