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2014年5月10日星期六

API 5L Line Pipe 24inch SCH30 DRL Welded Carbon Steel Pipe


Treatment of weld seams in EW and LW pipes



API 5L Line Pipe 24inch SCH30 PSL 1 EW pipe



For grades higher than Grade L290 or X42, the weld seam and the HAZ shall be heat treated so as to simulate a normalizing heat treatment, except that, if agreed, alternative heat treatments may be substituted. If such substitutions are made, the manufacturer shall demonstrate the effectiveness of the method selected using an agreed procedure. Such a procedure may include, but is not necessarily limited to, hardness testing,



microstructural evaluation or mechanical testing.



For grades equal to or lower than Grade L290 or X42, the weld seam shall be heat treated as to simulate a normalizing heat treatment, or the pipe shall be processed in such a manner that no untempered martensite remains.



API 5L Line Pipe 24inch SCH30 DRL LW pipe and PSL 2 HFW pipe



For all grades, the weld seam and the HAZ shall be heat treated so as to simulate a normalizing heat treatment.



API 5L Line Pipe 24inch SCH30 DRL Welded Carbon Steel Pipe Specificatioin




























Product

Name

API 5L Line Pipe 24inch SCH30 DRL Pipe

Diameter

1inch

– 26inch

Wall Thickness

SCH 30

Length

Random

length from 3m to 12m

Pipe Standard

API

5L, CSA Z245, ASTM A53, A106 or other standards

Steel Grade

GR

A, GR B, X42, X46, X52, X56, X60, X65, X70

Application

Line

pipe, fluid pipe, water pipe, structure steel tube,piling tube,

Pipe Coating

FBE, 3PE, varnish paint, anti rust oil, or

other coating required

Package

Plastic caps on both ends, Steel bundle, or acc. to customers’ request

Inspection

ISO9001, SGS,BV, GL,

Moody  or other TPI appointed by

customer

Capacity

10000

metric tons per month

Delivery time

30

days against deposit or LC at sight

API 5L Line Pipe 24inch SCH30 DRL Welded Carbon Steel Pipe

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