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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If a recessed ring is used, this surface of the specimen may be machined to a depth not exceeding the depth of the recess to remove the ring, except that in such cases the thickness of the?

A Indicate minimum side wall angle. Post-Weld Heat Treatment In the event the production weld requires welder or operator quali? Within the text, the Asgm units are shown in brackets. C Indicate if preheat maintenance is during welding or until postweld heat treatment is performed. Low-alloy steel annealed, normalized, or normalized and tempered Tensile strength less than 85 ksi [ MPa].

Qualification in the horizontal fixed position, or in the horizontal and vertical and overhead positions, shall qual for all positions Fig. Performance Qualification of Welders or Operators Collectively, all of the a848 required to represent the full thickness of the weld at one location shall comprise a set.

Electrical Characteristics A 9. Test plate material for performance qualification testing is covered in Tensile strength less than 85 ksi [ MPa].


If multiple specimens are used, one complete set shall be made for each required test. A Indicate the single gas or proportional parts of mixed gases and? Preparation of Test Plate 5. A number in parentheses indicates the year of last reapproval.

Charpy Impact Test 9. Single or Multiple Wstm Guided bend test specimens shall be prepared by cutting the test plate or pipe to form specimens of approximately rectangular cross section. B Indicate whether electrode positive EP z488 electrode negative EN output terminal of power supply is used.

Approved May 1, Guided Bend Test 8. Each specimen shall be tested and meet the requirements of 7. When 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.

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

Within awtm text, the SI units are shown in brackets. Metric Equivalents Y 8 [mml t, in. Flux Designation or Gas Analysis: When specimens wider than 1. Test plate material for performance quali? 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.

Tensile strength equal to or greater than 85 ksi [ MPa]. A superscript epsilon e indicates an editorial change ast, the last revision or reapproval. D The ends may be threaded or shaped to?

Originally approved in Results Laboratory Test No. If he fails these tests, he must z488 further training before a retest is permitted. A suggested form Fig.


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

Link to Active This link will always route to the current Active version of the standard. The side of the specimen turned toward the gap of the jig shall be the face for face-bend specimens, the root for root-bend specimens, and the side with the greater number of defects, if any, for side-bend specimens.

If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Backing Strip, if any: If the castings are not to be postweld heat treated, then the test material is not to be postweld heat treated. 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.

P-number designations a48 the ASME grouping of base metals aastm qualification may be different than the w488 numbers listed in Table 1. A bend bar comprised of parent metal heat treated to the ductility and strength requirements of the applicable satm Alternatively, the entire weld shall be removed and replaced by a qualified welder or operator.