A928/A928M Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric

Fusion Welded with Addition of Filler Metal

Electric-fusion-welded Steel Pipe for corrosive service.

Grade:

S31200, S31260, S31500,

S31803, S32003, S32205,

S32304, S32550, S32750,

S32900, S32950, S32760, S32520

Manufacture:

Welding, the joints are fully penetration double-welded or single-welded 

Five Classes of pipes are covered :

Class 1 - Pipes shall be double welded by processes using filler metal in all passes and shall be

                radiographed completely

Class 2 - Pipes shall be double welded by processes using filler metal in all passes.

                No radiograph is required

Class 3-  Pipes shall be single welded by processes using filler metal in all passes and

                 shall be radiagraphed

Class 4 - Same as Class 3, except that the weld pass exposed to the inside pipe surface is                            permitted to be made without the addition of filler metal

Class 5 - Pipes shall be double welded by processes using filler metal in all passes and shall be                    spot radiographed

TABLE 1 Heat Treatment

A  Except as indicated, common name, not a trademark, widely used, not associated with any one producer.

B  A grade designation originally assigned by the American Iron and Steel Institute (AISI).