ASTM - A 53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless1
4. Materials and Manufacture
4.1 The steel for both seamless and welded pipe shall be made by one or more of the following processes: open-hearth, electric-furnace, or basic-oxygen.
4.2 When steels of different grades are sequentially strand cast, identification of the resultant transition material is required. The producer shall remove the transition material by
any established procedure that positively separates the grades.
4.3 The weld seam of electric-resistance welded pipe in Grade B shall be heat treated after welding to a minimum of 1000°F [540°C] so that no untempered martensite remains, or
otherwise processed in such a manner that no untempered martensite remains.
4.4 When pipe is cold expanded, the amount of expansion shall not exceed 11⁄2 % of the outside diameter pipe size.
25. Packaging and Package Marking
25.1 When specified on the purchase order, packaging, marking, and loading or shipment shall be in accordance with those procedures recommended by Practices A 700.
26. Keywords
26.1 black steel pipe; seamless steel pipe; steel pipe; welded steel pipe; zinc coated steel pipe
X1. DEFINITIONS OF TYPES OF PIPE
X1.1 Type F, Furnace-Butt-Welded Pipe, Continuous-Welded—Pipe produced in continuous lengths from coiled skelp and subsequently cut into individual lengths, having its longitudinal butt joint forge welded by the mechanical pressure developed in rolling the hot-formed skelp through a set of round pass welding rolls.
X1.2 Type E, Electric-Resistance-Welded Pipe—Pipe produced in individual lengths or in continuous lengths from coiled skelp and subsequently cut into individual lengths, having a longitudinal butt joint wherein coalescence is produced by the heat obtained from resistance of the pipe to the flow of electric current in a circuit of which the pipe is a part, and by the application of pressure.
X1.3 Type S, Wrought Steel Seamless Pipe—Wrought steel seamless pipe is a tubular product made without a welded seam. It is manufactured by hot working steel and, if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions, and properties
_________________________________________________________________________________
ASTM A 0053 Standard Specification for Pipe Steel Black and Hot Dipped Zinc Coated Welded and Seamless1
ASTM A 53 Standard Specification for Pipe Steel Black and Hot Dipped Zinc Coated Welded and Seamless 1
_________________________________________________________________________________


No comments:
Post a Comment