May 1, 2020

Referenced Documents ASTM Standards: A 27/A 27M Specification for Steel Castings, Carbon, A /A M A /A M Specification for Castings. ASTM A – 4CTb Designation: A /A M – 01” An American National Standard Standard Pra. 费下载 免 w 焊接人 w Designation: A /A M – 07 Standard Practice for Steel Castings, Welding, Quali?cations of.

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Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

A Indicate minimum temperature. Electrical Characteristics A 9. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

Test material shall be oriented ast shown in Fig. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Low-alloy steel annealed, normalized, or normalized and tempered Tensile strength less than 85 ksi [ MPa]. Current edition approved Mar. Last previous edition A A M Guided bend test specimens shall be prepared by cutting the test plate or pipe to form specimens of approximately rectangular cross section.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Single or Multiple Pass: When two base materials having different category numbers are welded together, a procedure quali?


Preparation of Base Material. Heat-affected zone coupons for impact specimens shall be taken transverse to the weld and etched to de? Qualification z488 any F number up to and including F4 shall qual a welder for all lower F numbers. A Indicate type of aa488. Link to Active This link will always route to the current Active version of the standard.

In the event the production weld requires welder or operator quali?

Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel

B Indicate maximum temperature. In accordance with Procedure No. Root Bend 2 Where the material thickness permits, the axis of a heat-affected zone specimen may a848 inclined to allow the root of the notch to align parallel to the fusion line Fig.

The base material shall be attached B to the welding electrode lead. A number in parentheses indicates the year of last reapproval. Designation of nominal chemical composition may also be by reference to the AWS classi? Changes other than those listed may be made without requalification, provided the procedure is revised to show these changes.

Who by virtue of these tests meets the welder performance qualification. Guided Bend Test 8. Each specimen shall be tested and meet the requirements of 7.

ASTM AAM 钢铸件焊接程序和人员资格的标准实施规程_百度文库

BoxMiami, FL Originally approved in Root Bend 1 Work Item s – proposed revisions of this standard. C The maximum thickness quali? Collectively, all of the specimens required to represent the full thickness of the weld at one location shall comprise a set.


Atm other than those listed may be made without requalification, provided the procedure is revised to show these changes. A Indicate material of backing plate.

The welder or operator successfully performing the procedure quali? A Indicate general material description in the Title. A Indicate degree of interpass inspection required. Within the text, the SI units are shown in brackets. The cut surfaces shall be designated the sides of the specimen.

Post-Weld Heat Treatment Designation of nominal chemical composition may also be by reference to the AWS classification where such existsthe manufacturer’s trade designation, or other established procurement documents. Separate welding procedures are required for each category. Results Laboratory Test No.

4a88 postweld heat treatment consists of a full reheat treatment of the welded part, thus eliminating the HAZ, impact testing of the HAZ shall not be required. Combining values from the two systems may result in nonconformance with this practice. Within the text, the Asstm units are shown in brackets. The welder or operator successfully qualified with one procedure for a process is qualified to weld with any other welding procedure using the same welding process, unless requalification is required by Section Post-Weld Heat Treatment