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ASTM B 548 Document Information:
Title
Standard Test Method for Ultrasonic Inspection of Aluminum-Alloy Plate for Pressure Vessels
ASTM International
Publication Date:
Nov 1, 2003
Scope:
This test method covers pulse-echo ultrasonic inspection of
aluminum-alloy plate of thickness equal
to or greater than 0.500 in. (12.7 mm) for use in the fabrication of
pressure vessels. The
ultrasonic test is employed to detect gross internal discontinuities
oriented in a direction
parallel to the rolled surface such as cracks, ruptures, and
laminations, and to provide assurance
that only plate that is free from rejectable discontinuities is
accepted for delivery.
The inspection method and acceptance criteria included in this
standard shall be limited to plate
of the following aluminum alloys: 1060, 1100, 3003, Alclad 3003, 3004,
Alclad 3004, 5050, 5052,
5083, 5086, 5154, 5254, 5454, 5456, 5652, 6061, and Alclad 6061.
This test method applies only to ultrasonic tests using pulsed
longitudinal waves which are
transmitted and received by a search unit containing either a single
crystal or a combination of
electrically interconnected multiple crystals. Ultrasonic tests
employing either the
through-transmission or the angle-beam techniques are not included.
This test method shall be used when ultrasonic inspection as
prescribed herein is required by the
contract, purchase order, or referenced plate specification.
The values stated in inch-pound units are to be regarded as the
standard. The values given in
parentheses are for information only.
This standard does not purport to address all of the safety concerns,
if any, associated with its
use. It is the responsibility of the user of this standard to
establish appropriate safety and
health practices and determine the applicability of regulatory
limitations prior to use.
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