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聯絡資訊
10TH Floor,Risesun international building A, Cangzhou City, Hebei Province, China
電話:86-0317-5205317
傳真:86-0317-5308766
SAWL Pilling Pipe
產品型號:Model
產品特色
SAWL Pilling Pipe,SAWL(LSAW) Steel Pipe
產品規格
1.Application嚗?Pilling,Website:http://www.ausinpipeline.com, seashore platform, ground construction2. SAWL steel pipe Product specification: O.D.: 苳406.4嚚?422.4mm嚗?6-56in嚗?Length: 3嚚?2.3m W.T.: 8嚚?0mm (apply to simple carbon steel, Low carbon alloy steel)Product standards: ASTMA252, API 5L, DIN EN10219/10224, BS, JIS A5525, JIS G3444, ASTMA139, GB/T3091GR.2/GR.3, Grade STK290-540, Grade A-E, Q215-Q3453. Pile pipe production process??Plate Ultrasonic Inspection嚗?Each plate is first full-plate ultrasonic inspected after entering the process??Plate Edge Milling嚗?The Plate edges are milled by Edge Milling Machine to obtain the required width, parallelism and bevel angles; ?Plate Edge Crimping嚗The two edges of the plate are crimped at the Crimping Machine to get the required radius; ?Forming嚗?The first half of the plate is fed step by step into the Pipe Forming Press to form the plate into a" J "shape. Then another half of the plate is pressed step by step to form the plate into" C "shape. The last stroke is to press the plate into an open "O" shape; ?Pre-Welding嚗?The two edges of the open seam pipe should be brought together by tack welding machine then welded by tack welder using metal active-gas arc welding (MAG) process; ?Inside Welding嚗?The pipe is welded from inside of the pipe by multi-pass tandem submerged-arc welding (max. four wires); ??Outside Welding嚗?The pipe is welded from outside of the pipe by multi-pass tandem submerged-arc welding;
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