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.
|Published (Last):||4 January 2009|
|PDF File Size:||14.77 Mb|
|ePub File Size:||11.41 Mb|
|Price:||Free* [*Free Regsitration Required]|
Alnclicate method of metal m a l. The welding procedure shall conform to that given in the procedure qualification.
aa488 ICS Number Code Work Item s – proposed revisions of this standard. The welder or operator successfully performing the procedure quali? If he fails these tests, he must undergo further training before a retest is permitted. Combining values from the two systems may result in nonconformance with this practice.
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.
Guided bend test specimens shall be prepared by cutting the test plate or pipe to form specimens of approximately rectangular cross section. Low-alloy steel annealed, normalized, or normalized and tempered A4488 strength less than 85 ksi [ MPa]. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
A total of four specimens are required to qualify for Position 1 e of Fig. All thicknesses of pipe or cylindrical castings having an outside diameter greater than 3 in. Filler Metal Specification No. Separate welding procedures are xstm for each category. Collectively, all of the specimens required to represent the full thickness of the weld at one location shall comprise a set.
Standard Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
Test plate material for performance quali? A number in parentheses indicates the year of last reapproval. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.
Alternatively, the entire weld shall be removed and replaced by a quali? Root Bend 1 Within the text, the SI units are shown in brackets. BoxMiami, FL Last previous edition A A M A Indicate the number for controlling the maximum width. Collectively, all of the specimens required to represent the full thickness of the weld at one location shall comprise a set. A Indicate whether direct or alternating current. Each specimen shall be tested and meet the requirements of 8. Also indicate whether preheat is required during metal removal.
B Indicate maximum temperature.
A Where applicable, indicate electrode care instructions. Charpy Impact Test 9. A Indicate type of inspection.
Link to Active This link will always route to the current Active version of the standard. Results Laboratory Test No.
Heat-affected zone coupons for impact specimens shall be taken transverse to the weld and etched to define the heat-affected asrm. In the event the production weld requires welder or operator qualification, the entire production weld made by that welder or operator shall be radiographed and repaired by a qualified welder or operator.
The presence or absence of up to 0. Indicate any limits on peening?
When two base materials having different category numbers are welded together, a procedure qualification must be performed for s488 combination. Post-Weld Heat Treatment C Where only a single coupon is required, the center of the specimen should be midway between the surfaces. The dimensions of the welding groove are not essential variables of the welding procedure. When specimens wider than 1.
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
B Indicate dimension of maximum gap. A welding procedure must be set up as a new procedure and must be requalified when any of the changes in essential variables, inclusive, are made. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Single or Multiple Pass: When two base materials having different category numbers are welded together, a procedure quali? Changes other than those listed may be made without requalification, provided the procedure is revised to show these changes.
Surfaces of backing plates when used shall also meet the same cleanliness requirements.