常州精密钢管【常州钢管】精密钢管博客

E.2 Standard practices for inspection
Except as specifically modified in this annex, the required non-destructive inspection, other than for surface inspection (see 10.2.7) and wall-thickness verification, shall be performed in accordance with one of the following standards or an equivalent:

 

a)

electromagnetic (flux leakage):

ISO 9402, ISO 9598 or ASTM E 570;

b)

electromagnetic (eddy-current):

ISO 9304 or ASTM E 309;

c)

ultrasonic:

ISO 9303, ISO 9305, ISO 10124, ISO 11496, ISO 12094, ISO 13663 or
ASTM E 213; ASTM A 435 or ASTM A 578;

d)

ultrasonic (weld seam):

ISO 9764, ISO 9765 or ASTM E 213;

e)

magnetic particle:

ISO 13664, ISO 13665 or ASTM E 709;

f )

radiographic:

ISO 12096 or ASTM E 94;

g)

liquid penetrant:

ISO 12095 or ASTM E 165.

one method or a combination of methods is required

a    The weld seam at the pipe ends may require additional inspection (see E.3.2).

b     Required unless the manufacturer and the purchaser have agreed to replace it by radiographic nspection.

PSL 2 pipe, any grade

PSL 1 pipe, Grade L245 or B,quenched and tempered

PSL 1 pipe, other than above