1200mm Large Diameter Pipe S355jrh Welded For Oil And Gas Pipeline
1200mm Big Diameter S355jrh Welded LSAW Steel Pipe For Oil And Gas Pipeline
Production process introduction of large diameter lsaw steel pipe
Rolling machine→Uncoiler→Unwinder→Retripper leveling machine→Vertical roll centering→Shear butt welding→Strip position control (double-head vertical roller)→Disc shearing→Strip position control (Double-head vertical roller )→ Edge Milling Machine (Fine Milling X Groove)→ Double End Roller→ Strip Surface Cleaning of Strips→ Double End Roller→ Conveyer→ Strip Feeding and Strip Position Control→ Molding Machine→ Inner Welding→ Outside Welding → steel pipe righting device → plasma cutting → straight seam steel pipe outlet
Product Description
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Product
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LSAW Steel Pipe
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LSAW Steel Pipe
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China
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GB/T8162/T8163 GB5310/6579/9948
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U.S.A.
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ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334; API 5L/5CT
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Japan
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JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464
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German
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DIN 1626/17175/1629-4/2448/2391/17200 SEW680
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Russia
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GOST 8732/8731/3183
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Material and Grade
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China
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10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo,42Crmo, 27SiMn, 20CrMo
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U.S.A.
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Gr. B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130
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Japan
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STPG38,STB30,STS38,STB33,STB42,STS49,STBA23,STPA25,STPA23
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German
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ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405
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Russia
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10, 20, 35, 45, 20X
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Out Diameter
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10-1000mm OR customization
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Wall Thickness
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1-100mm OR customization
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Length
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1-12m OR customization
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Protection
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Plastic caps
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Packing terms
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Labeled and bundled together with steel strip
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Shipment terms
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Containers or bundles by sea,one 20" container can load about 20 tons(5.8meters long),one 40" container can load about 23-25tons(less than 11.8meters long)
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Quality Certificate
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ISO, API, Mill Test Certificate
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Surface Treatment
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Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer
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Packaging & Shipping
Customers
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