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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The notch shall be cut normal to the material surface in the heat-affected zone to include as much heat-affected zone as possible in the resulting fracture Fig. However, cracks occurring on the corners of the specimen during testing shall not be considered unless there is de? A bend bar comprised of parent metal heat treated to the ductility and strength requirements of the applicable specification shall be bent to failure.
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
Filler Metal F Group No. If multiple specimens are used, one complete set shall be made for each required test.
When specimens wider than 1. The welding procedure shall be in accordance with that given in the procedure quali?
Indicate any limits on peening? A Indicate general material description, such as carbon, Cr-Mo, 12 Cr, etc. Link to Active This link will always route to the current Active version of the standard.
Low-alloy steel annealed, normalized, or normalized and tempered Tensile strength asgm than 85 ksi [ MPa]. Last previous edition A A M B Indicate category number from Table 1.
Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
Manufacturer or Contractor Date: Changes other than those listed may be made without requalification, provided the procedure is revised to show these changes. Requalification of a Procedure The values stated in each system are not exact equivalents; therefore, each system must be atm independently of the other. Current edition approved May 1, E Weld should be in center of reduced section.
A Indicate minimum side wall angle. Heat-affected zone coupons for impact specimens shall be taken transverse to astj weld and etched to de?
Welding Details times Welding shall be done without rotating the pipe or casting so that the weld metal is deposited from the flat, vertical, and overhead position.
It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. If he fails these tests, he must undergo further training before a retest is permitted. The dimensions of the welding groove are not essential aztm of the welding procedure. 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.
4a88 Welding ofA steel castings.
When using the wrap-around jig Fig. Welding shall be done without rotating the pipe or casting so that the weld metal is deposited from the?
If the castings are not aa488 be postweld heat treated, then the test material is not to be postweld heat treated. Filler Metal Specification No.
Range of Thicknesses QualifiedA min, in. Preparation of Test Plate 5. Test material shall be subjected to the same heat-treatment before and after welding as will be applied to the casting.