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ASTM A 609/A 609M Document Information:
Title
Standard Practice for Castings, Carbon, Low-Alloy, and Martensitic Stainless Steel, Ultrasonic Examination Thereof
ASTM International
Publication Date:
Dec 15, 1991
Scope:
This practice2 covers the standards and procedures
for the pulse-echo ultrasonic examination of heat-treated carbon,
low-alloy, and martensitic stainless steel castings by the
longitudinal-beam technique.
This practice is to be used whenever the inquiry, contract,
order, or specification states that castings are to be subjected to
ultrasonic examination in accordance with Practice A 609/A
609M.
This practice contains two procedures for ultrasonic inspection
of carbon, low-alloy, and martensitic stainless steel castings;
that is, Procedure A and Procedure B. Procedure A is the original A
609/A 609M practice and requires calibration using a series of test
blocks containing flat bottomed holes. It also provides
supplementary requirements for angle beam testing. Procedure B
requires calibration using a back wall reflection from a series of
solid calibration blocks.
NOTE 1—Ultrasonic examination and radiography are not directly
comparable. This examination technique is intended to complement
Guide E 94 in the detection of discontinuities.
The values stated in either inch-pound units or SI units are to
be regarded separately as standard. Within the text, the SI units
are shown in brackets. The values stated in each system are not
exact equivalents; therefore, each system must be used
independently of the other. Combining values from the two systems
may result in nonconformance with this practice.
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.
2 For ASME Boiler and Pressure Vessel Code
applications, see related Specification SA-609 of Section II of
that Code.
Keywords:
- carbon and low-alloy steel
- castings
- martensitic stainless steel
- ultrasonic
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