Hebei Shengtian Pipe Fittings Group Co., Ltd.
Hebei Shengtian Pipe Fittings Group Co.,Ltd. Base on China,Service the world
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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
| Product | LSAW Steel Pipe | ||
| LSAW Steel Pipe | China | GB/T8162/T8163 GB5310/6579/9948 | |
| U.S.A. | ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334; API 5L/5CT | ||
| Japan | JIS G3452/G3454/G3456/G3457/G3458/G3460/3461/3462/3464 | ||
| German | DIN 1626/17175/1629-4/2448/2391/17200 SEW680 | ||
| Russia | GOST 8732/8731/3183 | ||
| Material and Grade | China | 10#, 20#, 16Mn, 20G, 15MoG, 15CrMo, 30CrMo,42Crmo, 27SiMn, 20CrMo | |
| U.S.A. | Gr. B/Gr.A/A179/A192/A-1/T11/T12/T22/P1/FP1/T5/4140/4130 | ||
| Japan | STPG38,STB30,STS38,STB33,STB42,STS49,STBA23,STPA25,STPA23 | ||
| German | ST33,ST37,ST35,ST35.8,ST45,ST52,15Mo3,13CrMo44, 1.0309, 1.0305, 1.0405 | ||
| Russia | 10, 20, 35, 45, 20X | ||
| Out Diameter | 10-1000mm OR customization | ||
| Wall Thickness | 1-100mm OR customization | ||
| Length | 1-12m OR customization | ||
| Protection | Plastic caps | ||
| Packing terms | Labeled and bundled together with steel strip | ||
| Shipment terms | 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) | ||
| Quality Certificate | ISO, API, Mill Test Certificate | ||
| Surface Treatment | Black painting/varnished surface,anti-corrosion oil, galvanized or as per required by customer | ||
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