ASTM A609 PDF

This standard is issued under the fixed designation A /A M; the number 1 This practice is under the jurisdiction of ASTM Committee A01 on Steel. ASTM AAM_冶金/矿山/地质_工程科技_专业资料。ASTM A AM 碳钢、低合金钢和马氏体不锈钢铸件超声波检验操作. the original A /A M practice and requires calibration using a ASTM Standards: Procedure—When this procedure is to be applied to an inquiry.

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The point of marking shall be the center of the search unit. Reference standards shall be?

In order to accomplish this,? It also provides supplementary requirements for angle beam testing. They may be as cast, blasted, ground, or machined. Permission rights to photocopy the standard may also be secured from the ASTM website www.

The Largest Open Access Portal of Nondestructive Testing (NDT)

Originally approved in Other instruments have decibel calibrated attenuators, in which case the required decibel must be removed. The area of the location, for the purpose of this evaluation, shall be considered the area that is con?

Use a machined calibration block for machined surfaces. The stenciled grid number shall appear in the upper right hand corner awtm the grid. Machined surfaces shall be acceptance inspected as soon as possible after machining.

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ASTM A609/A609M – 12(2018)

At some locations within the limits of the indication, the signal may be less than the reference line, but nevertheless still present such that it may be judged as a continuous, signal indication. Block fabricated with a 2-in.

The supplementary requirements shall apply only when specified individually by the purchaser in the purchase order or contract.

Grid numbers shall be stenciled on the casting for record purposes and for grid area identity. Place the search unit on the casting at the transfer point ashm adjust the instrument gain until the back re? To completely delineate the indication, draw a line around the outer boundary of the center of the number of marks to form the indication area. It also provides supplementary requirements for angle beam testing.

Ultrasonic examination and radiography are not directly comparable. NOTE 2—For block sizes over 3 in.

Nominal Production Material Thickness tin. A number in parentheses indicates the year of last reapproval.

A question on ASTM A

Surfaces that do not a6099 the requirements of Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Ultrasonic Testing Quality Level 1 2 3 4 5 6 7 Area, in. Increase the inspection sensitivity by a factor of three times 10 dB gain with the calibrated attenuator. If a procedure is not speci? BoxArlingate Ln. The side-drilled hole used for the 1? Personnel and equipment qualifications, materials preparation, casting and test conditions, data recording methods, and the acceptance standards for both types of testing procedure are all detailed thoroughly.

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NOTE 2— The 3? All other types qstm rejectable indications shall be completely removed. This standard has been approved for use by agencies of the Department of Defense. If the reason for loss of back re? Procedure B requires calibration using a back wall re?

Whenever no discernible surface tracing is possible, each indication which equals or exceeds the 0. This test method deals with the procedures for the standard practice of performing pulse-echo ultrasonic examination of heat-treated carbon, low-alloy, and martensitic stainless steel castings by the longitudinal-beam technique.

The same search unit used for calibration shall be used to inspect the casting.