1、This is an uncontrolled document when printed. Verify that the document is current before use. SSTD-8070-0020-WELD Rev. Basic May 2012 National Aeronautics and Space Administration John C. Stennis Space Center Stennis Space Center, MS 39529-6000 John C. Stennis Space Center GAS TUNGSTEN ARC WELDING
2、(GTAW) PROCEDURE FOR P-8 STAINLESS STEEL TO P-1 CARBON STEEL Original signed by: _Rich Harris_ _5/21/2012_ NASA SSC Center Operations Directorate Date Operations validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard
3、 SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 2 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the doc
4、ument is current before use. Document History Log Status/Change/ Revision Change Date Originator/Phone Description Basic 05.17.2012 Doug Dike x8-2803 Initial release, supersedes SSC-34-018. RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduc
5、tion or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 3 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbo
6、n Steel This is an uncontrolled document when printed. Verify that the document is current before use. Table of Contents 1.0 PURPOSE 4 2.0 APPLICABILITY . 4 3.0 REFERENCES AND APPLICABLE DOCUMENTS . 4 4.0 RESPONSIBILITIES 4 5.0 REQUIREMENTS AND PROCEDURES 4 6.0 RECORDS AND FORMS. 5 7.0 ACRONYMS AND
7、ABBREVIATIONS 5 ATTACHMENT A . 6 A.1 WPS 6 A.2 PQR 8 A.3 Certificate of Analysis 10 A.4 WPQ . 11 RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WEL
8、D Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 4 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the document is current be
9、fore use. 1.0 PURPOSE This John C. Stennis Space Center (SSC) Standard (SSTD) provides for a qualified American Society of Mechanical Engineers (ASME) weld procedure for Gas Tungsten Arc Welding (GTAW) of P-8 Stainless Steel to P-1 Carbon Steel pipe or plate with a thickness range of 0.1875” to 1.00
10、”. 2.0 APPLICABILITY This SSTD applies to all National Aeronautics and Space Administration (NASA) SSC contractor and subcontractor personnel involved in the GTAW welding of stainless steel to carbon steel. 3.0 REFERENCES AND APPLICABLE DOCUMENTS Applicable documents shall be the latest version unle
11、ss otherwise specified. ASME Boiler and Pressure Vessel Codes, Section IX SPR 1440.1, SSC Records Management Program Requirements SPR 8715.1, SSC Safety and Health Program Requirements SSTD-8070-0005-CONFIG, Preparation, Review, Approval and Release of SSC Standards SSTD-8070-0013-WELD, Classes of W
12、elding Inspection SSTD-8070-0014-WELD, Qualifying Welders and Welding Procedures 4.0 RESPONSIBILITIES Responsibilities for the use and control of this SSTD and for the review and approval of revisions or cancellation of this SSTD shall be as specified in SSTD-8070-0005-CONFIG and the applicable docu
13、ments referenced therein. 5.0 REQUIREMENTS AND PROCEDURES a. All procedures shall be performed in compliance with applicable requirements in SPR 8715.1, SSC Safety and Health Program Requirements. If ever there is a conflict between this SSTD and the SPR, the SPR takes precedence. b. Items denoted a
14、s essential variables in the attached weld procedure specifications (WPS) shall not be altered when using the WPS. An alternate WPS may be used only if approved prior to use by the NASA SSC Center Operations Directorate Project Management Division, the NASA SSC Engineering and Test Directorate (E va
15、lidate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 5 of 11 Responsible Office: NASA SSC Center Operations Directorat
16、e SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the document is current before use. c. The attached Procedure Qualification Record (PQR) is the PQR for the original WPS in this SSTD. When performing new qualifications,
17、a new, approved PQR shall be completed showing all pertinent data and results of the weld procedure qualification. d. Welders shall be qualified in accordance with SSTD-8070-0014-WELD. e. Inspection methods for welds shall be in accordance with SSTD-8070-0013-WELD. 6.0 RECORDS AND FORMS a. Records r
18、equired by the procedures of this SSTD shall be maintained in accordance with SPR 1440.1 and as specified in this SSTD. b. All records and forms are the latest version unless otherwise indicated. c. The original, signed WPS, PQR, WPQ and the accompanying Certificate of Analysis validation test docum
19、ent (copies of which are provided in Attachment A of this SSTD) shall be maintained in CEF together with the original, signed hardcopy of this SSTD. 7.0 ACRONYMS AND ABBREVIATIONS ASME American Society of Mechanical Engineers CEF Central Engineering Files E validate prior to use. Provided by IHS Not
20、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 6 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainl
21、ess Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the document is current before use. ATTACHMENT A A.1 WPS RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license
22、 from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 7 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document whe
23、n printed. Verify that the document is current before use. RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: Ma
24、y 17, 2012 Review Date: May 17, 2017 Page 8 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the document is current before use. A.2 PQR RELEASED - Printed d
25、ocuments may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 9 of 11 Responsible Office: NASA SSC
26、Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the document is current before use. RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo repro
27、duction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 10 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 C
28、arbon Steel This is an uncontrolled document when printed. Verify that the document is current before use. A.3 Certificate of Analysis RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,
29、-,-Stennis Standard SSTD-8070-0020-WELD Basic Number Rev. Effective Date: May 17, 2012 Review Date: May 17, 2017 Page 11 of 11 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: GTAW Procedure for P-8 Stainless Steel to P-1 Carbon Steel This is an uncontrolled document when printed. Verify that the document is current before use. A.4 WPQ RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-
