1、 SSTD-8070-0021-WELD Rev. Basic June 2011 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 (GTAW) OF ALUMINUM (P-No. 23, Grade 6061 and 6063) Original signed by: Richard Harris 06/06/1
2、1 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 SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 2 of 1
3、0 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) Document History Log Status/Change/ Revision Change Date Originator/Phone Description Basic 06.01.2011 Doug Dike x8-2803 Initial release, supersedes SSC 34-019 a
4、nd NSTL 34-021. 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-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 3
5、 of 10 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) 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
6、0 RECORDS AND FORMS. 5 7.0 ACRONYMS AND ABBREVIATIONS 5 ATTACHMENT A . 6 A1: WPS 6 A2: PQR 7 A3: Certificate of Analysis 9 A4: Welder Qualification Record . 10 RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted
7、without license from IHS-,-,-Stennis Standard SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 4 of 10 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) 1.0 PURPOSE
8、 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 Aluminum (P-No. 23, Grade 6061 and 6063) pipe or plate. 2.0 APPLICABILITY a. This SSTD is valid for welding of all P
9、No. 23 Aluminum, Grades 6061 and 6063 pipe or plate that will be used in, but not be limited to, nitrogen, helium, air, oxygen and hydrogen service. b. This SSTD applies to all contractor and subcontractor personnel involved with the GTAW welding of aluminum pipe or plate. 3.0 REFERENCES AND APPLIC
10、ABLE DOCUMENTS Applicable documents shall be the latest version unless 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, App
11、roval and Release of SSC Standards SSTD-8070-0013-WELD, Classes of Welding 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 sh
12、all be as specified in SSTD-8070-0005-CONFIG and the applicable documents 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
13、 this SSTD and the SPR, the SPR takes precedence. b. Items denoted as 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 Mana
14、gement Division, the NASA SSC Engineering and Test Directorate (E validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Pa
15、ge 5 of 10 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) c. The attached Procedure Qualification Record (PQR) is the PQR for the original WPSs in this SSTD. When performing new qualifications, a new, approved
16、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. f. Qualification tests shall be performed on test
17、coupons welded with argon, helium or nitrogen as the backing gas. 6.0 RECORDS AND FORMS a. Records required 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. T
18、he original, signed WPS, PQR and the accompanying Certificate of Analysis validation test document (copies of which are provided in Attachments 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
19、 Mechanical Engineers CEF Central Engineering Files E validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 6 of 10 R
20、esponsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) ATTACHMENT A A1: WPS RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted with
21、out license from IHS-,-,-Stennis Standard SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 7 of 10 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) A2: PQR RELEASE
22、D - 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-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 8 of 10 Responsible Offi
23、ce: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) 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 Sta
24、ndard SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 9 of 10 Responsible Office: NASA SSC Center Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) A3: Certificate of Analysis RELEASED - Printed docu
25、ments may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Stennis Standard SSTD-8070-0021-WELD Basic Number Rev. Effective Date: June 1, 2011 Review Date: June 1, 2016 Page 10 of 10 Responsible Office: NASA SSC Ce
26、nter Operations Directorate SUBJECT: Gas Tungsten Arc Welding of Aluminum (P-No. 23, Grade 6061 and 6063) A4: Welder Qualification Record RELEASED - Printed documents may be obsolete; validate prior to use. Provided by IHS Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-
