• TEL: 0086-13083697781

butt welded spiral steel pipe

Get Price

We can supply you need butt welded spiral steel pipe.

3E Methods of Manufacturing Steel Tubes and Pipe

The outer diameter of ERW pipe and butt-welded pipe is determined by the width of the material coil. However, as shown in the figure, spiral pipe is made by forming the coil into a spiral shape, which makes it possible to obtain a large outer diameter regardless of the width of the material. UO pipe is usually large in diameter and produced one Awwa C200 Water Pipe, Awwa C200 Steel & Welded Steel Pipe STANDARD SPECIFICATION. AWWA C 200-XX ( XX :represents year of last revision )" STEEL WATER PIPE - 6`` DIAMETER AND MORE "SECTION 1 :GENERAL. SCOPE. This standard covers electrically butt-welded straight-seam or spiral-seam pipe and seamless pipe 6 in. (150 mm) in nominal diameter and larger for the transmission and distribution of water or for use in other water system

Butt Weld (Buttweld) Pipe Fitting - Elbow - Reducer - Tee

A common example using welded pipe fitting is a pipe reduced by concentric reducer, welded to a weld neck flange and connected to an equipment. Figure below represent complete collection of butt welded pipe fitting Butt Weld Fitting Collection. LR 90 Elbow:Fittings that change direction in a piping system are called elbows. The directional China Custom Butt Weld Seamless Alloy Steel Pipe Caps The Welding Neck Flange is the same as the plate flat welding flange, which extends the steel pipe, pipe fittings, etc. into the flange and connects with the equipment or pipeline through the fillet weld. This transfers stress from the flange to the pipe instead. The inside diameter of the flange is designed to match the pipe's inside diameter. Pipe Manufacturing Process / Methods for Seamless & Welded Welded Pipe Manufacturing Process . Welded Pipes are manufactured from Plate or continues Coil or strips. To manufacture a welded pipe, the first plate or coil is rolled in the circular section with the help of a plate bending machine or by a roller in the case of a continues process.

Pipe Manufacturing Process / Methods for Seamless & Welded

Welded Pipe Manufacturing Process . Welded Pipes are manufactured from Plate or continues Coil or strips. To manufacture a welded pipe, the first plate or coil is rolled in the circular section with the help of a plate bending machine or by a roller in the case of a continues process. Spiral Welded Pipe - an overview ScienceDirect Topics3.2.1.3.5 Spiral-welded pipe. Spiral-welded pipe is produced from coils of steel that are unwound and flattened. The flattened strip is formed by angled rollers into a cylinder of the desired diameter. Interior and exterior SAW seal the spiral seam. At the end of the coil, a new coil is butt-welded to the trailing edge of the pipe, forming a Spiral Welded Pipe Manufacturing Process - Steel Pipe12.The spiral welded pipe is all inspected by X-ray television or film for the butt weld of strip steel and the t-joint intersecting of spiral weld are located. 13. Each spiral welded pipe is subjected to hydrostatic pressure test and the pressure is radially sealed.

Spiral Welded Pipe Manufacturing Process - Steel Pipe

The surface treatment methods of spiral welded pipe are as followed. 1.Cleaning. Use solvent and emulsion to clean spiral welded pipe surface, to remove oil, grease, dust, smoothing agent and similar organic matter, but it can not remove the rust, oxide skin, flux, etc. of the steel surface, so it is only used as an auxiliary measure in the anti-corrosion production of spiral welded pipe. Spiral-welded steel pipe, Constructive Spiral welded steel Constructive Spiral welded steel pipe Spiral-welded steel pipe through 144 inches (3600 mm), in accordance with the requirements of AWWA C200, ASTM A139, and ASTM A252 Wall thicknesses through one inch Allowable yield strengths up to 70,000 psi Fittings and fabrications to support nearly unlimited joint or body configuration Spiral-welded steel pipe, Constructive Spiral welded steel Constructive Spiral welded steel pipe. Spiral-welded steel pipe through 144 inches (3600 mm), in accordance with the requirements of AWWA C200, ASTM A139, and ASTM A252 Wall thicknesses through one inch Allowable yield strengths up to 70,000 psi

Spiralco - Specifications - ASTM A-134

This specification covers electric-fusion (arc)-welded straight seam or spiral seam steel pipe of 16 in. and over in diameter 1 (inside or outside) with wall thickness up to ¾ in., inclusive. Pipe having other dimensions may be furnished provided such pipe complies Spirally welded steel pipes - ArcelorMittal PilingThe welding of the spirally welded pipes is based on the Double-Sided Submerged Arc Welding (DSAW) process. Welded Steel Pipesheet steel with automated spiral welds. Great strides were made in quality control, testing, joints and protective coat-ings. Welded steel pipe is available in wide ranges of sizes and properties of the steel. Included in this manual are the design criteria for steel pipe up to 240 inch (6,000 mm) in diameter under either internal or external

Welded vs. seamless steel pipe American Piping Products

Welded pipe starts out as a long, coiled ribbon of steel called a skelp. The skelp is cut to the desired length, resulting in a flat rectangular sheet. The width of that sheets shorter ends will become the pipes outside circumference, a value that can be used to calculate its eventual outside diameter. Welding of Large Diameter Pipelines:Design, Processes Weld After Backfill is a sequence used to improve overall installation rate for steel pipe. Pipe is laid and welded outside (if required). Joint coating is applied, usually a shrink sleeve or mortar diaper. Pipe is backfilled. The inside weld is made later. Welding of Large Diameter Pipelines:Design, Processes Weld After Backfill is a sequence used to improve overall installation rate for steel pipe. Pipe is laid and welded outside (if required). Joint coating is applied, usually a shrink sleeve or mortar diaper. Pipe is backfilled. The inside weld is made later.

Spiral Butt-welding Steel Pipes / Spiral Butt-welding

Spiral Butt-welding Steel Pipes Specification. Product Type:ASTM A106 GR.B Product Name:sch 40 Spiral Butt-welding Steel Pipes. sch 40 Spiral Butt-welding Steel Pipes OD:21.3mm-1219.2mm Tolerance:-12.5% TO +12.5% End Finish:Plain end, bevel end Standard:ASTMA53, ASTMA252, API5C, GB/T9711.1, or GB/T9711.2

Get Price

We can supply you need butt welded spiral steel pipe.