Large Diameter Carbon Welded Steel Pipes 813*15mm

Following are the Main Features of Large Diameter Carbon Welded Steel Pipes 813*15mm :-
1 The pipe internal stress is very small and uniformly distributed after the full- length expansion. The corrosion and cracking of the pipe owing to stress can be effectively prevented. The application of welding on site is very easy because of the high dimension precision;
2 The inside and outside welding are performed after the tack welding, so the welding process is very stable with good weld quality;
3 The NDT is easy to perform on the weld during production and field operation as well;

Specification and Application of Products specificationi Pipe O.D: 406.4~1422.4mmi 16-56 ini Pipe Length: 6~12.3m Wall Thickness: 8~50mm for material of common carbon, low carbon alloy; 8~26.4mm (0.252~1.04in) for material of middle carbon alloy structure steel, grade of higher than X70. Product Standardi API Spec 5L PSL1 PSL2 a API Spec 2B a GB/T9711 etc. Capacityi 150,000 tons per year. Standard: DIN : DIN EN 10025 ASTM : ASTM A106-2006,ASTM A53M-2007,ASME B36.10M-2004,ASME B36.19M-1985 GB : GB/T 9711.1-1997,GB/T 9711.2-1999,GB/T9711 BS : BS EN10296,BS EN10025,BS EN 10297,BS EN 39,BS EN10219,BS EN10217 JIS : JIS G3461-2005,JIS G3469-2002 API : API 5L Grade: API J55-API P110 : API J55 ST35-ST52 : St52 Mn-V alloy : 15MnV A53-A369 : A53(A,B),A106(B,C) 10#-45# : 20# Q195-Q345 : Q235,Q345 16Mn : 16Mn Cr-Mo alloy : 15CrMo,12Cr1MoV.