Welded Line Pipe

Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of welded line pipe in China, featured by quality products and low price. If you're going to wholesale durable welded line pipe made in China, welcome to get pricelist and free sample from our factory.

Welded line pipe

Welded steel pipe,welded steel tubes,ERW steel pipe,SSAW steel pipe,carbon steel pipe

Details of welded line pipe

Supply range of Diameters for welded line pipe: 1/2” to 60”

Standard and Grade:

API 5L Grade B, X42, X46, X52, X56, X60, X65, X70, X80;GB/T9711 L245,L290,L360,L390,L415,L450;ASTM A106 A,B,C;ASTM A53 A,B;ASTM A333 GR.1,GR.3,GR.4,GR.6 etc.

Manufacturing methods: ERW, LSAW, SSAW

ERW Process:

Uncoiling – Flattening – Shearing and Butt Welding – Loop Storing – Plate UT – Trimming – Forming – High Frequency Welding – Removal of Inside and Outside Blurs – Ultrasonic Testing – Annealed by Medium Frequency – Air Cooling – Water Cooling – Sizing – Straightness – Cutting Off – Dimension and Surface Inspection – Pipe Ends Beveling – Hydrostatic Test – Ultrasonic Testing of Entire pipe –Ultrasonic Testing – Ultrasonic Testing for Pipe Ends – Final Surface Inspection – Corrosion Resistant Coating – Marking – Pipe Ends Protection – Inspection and Warehousing

Range of Thickness:SCH10 to XXS

(Light Wall, Standard Wall, Extra Heavy and other wall thickness available)

Ends type: 

Beveled ends, plain ends,threaded ends

Length:

Single random-16’– 25’ inclusive

Double random-over 25’ with a minimum average of 35’

Packing:caps in plastic or pipe end protector

Surface appearances: oil, varnish painting, black painting,3PE,FBE,galvanized etc.

Quality:

From raw materials to product delivery, we will fully control every step of the pipeline manufacturing process.

Wanlei has a perfect quality management and quality assurance system, has passed the ISO9001 quality system certification.

Product show of Welded line pipe

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