ASTM API 5L SSAW steel pipe

SSAW steel pipe, full name is Spiral Submerged arc welding pipe. The steel pipe is formed by spiral submerged arc welding technology which is called SSAW pipe.

Generally speaking, when it comes to the same standard and steel grade, the price of SSAW pipe is cheaper or lower than ERW pipe and LSAW pipe. The strength is higher than the straight seam welded pipe.

Keywords: SSAW Pipe, SSAW Steel Pipe, Spiral Steel Pipe, Welded Spiral Pipe

Steel Grade:
ASTM A53: Gr. A, Gr. B, Gr. C, Gr. D;
API 5L: A, B, X42, X46, X52, X56, X60, X65, X70
EN10217: S355JRH, ST44, ST37, ST52

Standard: API 5L, ASTM A53, ASTM A252, EN10217
Outside Diameter: 219.1 mm – 2540mm (8″-100″);
Wall Thickness: 6mm – 25.4mm;
Length: 6- 22 m

Supply Ability: 10000 Piece/Pieces per Month

Standard & Grade: ASTM A53 Grade A/B/C, AWWA C200

Ends: Beveled Ends, Square Cut, With LTC/STC/BTC/VAM Connection

Delivery: Within 30 days and Depends on your order quantity

Payment: TT, LC, OA, D/P

Packing: In Bulk, Ends Protector on Both Sides, Waterproof Materials Wrapped

 

Characteristics of SSAW steel pipe

Spiral submerged arc (SSAW)steel pipe is its forward direction and forming tube centerline hose reel molding angle (adjustable), side molding edge welding and weld them into a spiral.

Advantage of the same specification to produce a variety of diameter sizes steel pipe, raw materials to adapt to a wider range, the weld can avoid the main stress force better;

The disadvantage is the poor geometry of the weld length compared to the long straight seam pipe, prone to cracking, porosity, slag, welding partial welding defects such as welding stress was tensile stress state.

General Oil and Gas Pipeline design specification spiral submerged arc can only be used for Class 3, Class 4 regional. Raw materials instead will this process improvement abroad steel plate forming and welding separate pre-weld and lean and, after welding cold flaring near UOE pipe welding quality, currently no such process of plant improvement direction.

“West-East” still is a traditional craft production, just expanded diameter of the pipe end.

It is possible to produce welded pipes with large diameters with narrow blanks, and it is also possible to produce welded pipes with different pipe diameters with blanks of the same width in our factory. The production cost is low, the process is simple, and it is easy to produce large diameter pipes. Large-diameter welded pipes are mostly made by spiral submerged arc welding.

Surface:

Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy,  Fusion Bond Epoxy, 3-layers PE)