1、Supplement FChemical Plantand PetroleumRefinery PipingAWS QC7-93 Supplement FKeywords AWS Certified Welders, welders,welder certification, welderqualification, chemical plant,petroleum refineryAWS QC7-93 Supplement FChemical Plant and PetroluemRefinery PipingAWS QC7-93Standard forAWS Certified Welde
2、rsPrepared byAWS Qualification and Certification CommitteeUnder the Direction ofAWS Education and Certification CouncilApproved byAWS Board of DirectorsAbstractThis Supplement F to AWS standard QC7-93 describes testing administrated by Accredited Test Facilities to therequirements of AWS QC4. The we
3、lder performance testing for this Supplement was developed using ANSI/ASMEB31.3, Chemical Plant and Petroleum Refinery Piping, and ASME Boiler and Pressure Vessel Code, Section IX,Welding and Brazing Qualifications as reference.American Welding Society550 N.W. LeJeune Road, P.O. Box 351040, Miami, F
4、lorida 33135Statement on Use of AWS StandardsAll standards (codes, specifications, recommended practices, methods, classifications, and guides) of the AmericanWelding Society are voluntary consensus standards that have been developed in accordance with the rules of theAmerican National Standards Ins
5、titute. When AWS standards are either incorporated in or made a part of, documentsthat are included in federal, or state laws and regulations or the regulations of other government bodies, their provisionscarry the full legal authority of the statute. In such cases, any changes in those AWS standard
6、s must be approved by thegovernmental body having statutory jurisdiction before they can become a part of those laws and regulations. In allcases, these standards carry the full legal authority of the contract or other document that invokes the AWS standards.Where this contractual relationship exist
7、s, changes in or deviations from requirement of an AWS standard must be byagreement between the contracting parties.International Standard Book Number: 0-87171-413-2American Welding Society, 550 N.W. LeJeune Road, P.O. Box 351040, Miami, Florida 33135 1993 by American Welding Society. All rights res
8、ervedPrinted in the United States of AmericaNote: The primary purpose of the American Welding Society (AWS) is to serve and benefit its members. To this end,AWS provides a forum for the exchange, consideration and discussion of ideas and proposals that are relevant to thewelding industry and the con
9、sensus of which forms the basis for these standards, By providing such a forum, AWS doesnot assume any duties to which a user of these standards may be required to adhere. By publishing this standard, theAWS does not ensure anyone using the information it contains against any liability arising from
10、that use. Publication ofa standard by the AWS does not carry with it any right to make, use, or sell any patented items. Users of the informationin this standard should make an independent investigation of the validity of that information for their particular use andthe patent status of any item ref
11、erred to herein.With regard to technical inquiries made concerning AWS standards, oral opinions on AWS standards may be rendered.However, such opinions represent only the personal opinions of the particular individuals giving them. Theseindividuals do not speak on behalf of AWS, nor do these opinion
12、s constitute official or unofficial opinions orinterpretation of AWS. In addition, oral opinions are informal and should not be used as a substitute for an officialinterpretation.This standard is subject to revision at any time by the AWS Qualification and Certification Committee. It must bereviewed
13、 every five years and if not revised, it must be either reapproved or withdrawn. Comments (recommendations,additions, or deletions) and any pertinent data that may be of use in improving this standard are requested and should beaddressed to: Director, Qualification and Certification Department, Amer
14、ican Welding Society Headquarters. Suchcomments will receive careful consideration by the AWS Qualification and Certification Committee and the author ofthe comments will be informed of the committees response to the comments. Guests are invited to attend all meetingsof the AWS Qualification and Cer
15、tification Committee to express their comments verbally. Procedures for appeal of anadverse decision concerning all such comments are provided in the Rules of Operation of the Qualification andCertification Committee. A copy of these Rules can be obtained from the American Welding Society, 550 N.W.L
16、eJeune Road, P.O. Box 351040, Miami, Florida 33135.PersonnelAWS Qualification and Certification CommitteeC. E. Pepper, ChairmanJ. F. Harris, 1st Vice ChairmanL. P. Connor, SecretaryE. M. Beck*W. F. BenkeE. R. BohnartH. ChapmanH.F.Clark IIA. L CollinP. R. EvansH. W. GoserW. L Green*J. E. GreerM. L. H
17、oule*W. H. KennedyR. E. LongS. P. MartinR. D. MesserA. L. PetroskiR. R. PicardS. L. RaymondT. Schlafly*S. W. ScottR. M. SimonsW. F. UrbickR. F. WaiteR. K. WiswesserF. G. DeLaurier, Ex-OfficioD. W. Dickinson, Ex OfficioJ. C. Papritan, Ex-OfficioOak Ridge Natl LaboratoryCenterior EnergyAmerican Weldin
18、g SocietyLaw Engineering IncorporatedFord Motor Sterlin PlantMiller Electric Manufacturing CompanyConsultantFluor Daniel, IncorporatedConsulting EngineerB Class E-7018 (GP.F4) fillWeld Joint Detail: See WPS No. F100Backing: None (Melt-through)Welding Positions: One horizontal axis, fixed pipe (5G),
19、and Vertical axis, fixed pipe (2G)Vertical Welding Progression: UpwardWelding Procedure Specification (WPS) No.: F100Test Required: Visual (Table K341.2A of ASME B31.3), plus guided bends for each pipe (2G positions; 2 side bends; 5Gposition; 4 side bends). Radiography may be used in lieu of bends (
20、ASME Sect IX, QW 304, QW 302.2).Limits of Welder Qualification -Code: ASMEB31.3Type: Limited Qualification: No Pipe Access Restrictions, Unlimited PositionsWelding Process: Shielded Metal Arc Welding (SMAW)Base Material: Group P Numbers 1 through 11Filler Metal: Backing Required Weld Thickness Range
21、, In.Group F4 Yes 1/16-1/2Group F3 Class E-7018 (GR.F4) fill.Weld Joint Detail: See WPS No. F100 and “Restricted Test Assembly“Backing: None (Melt-through)Thermal Cutting Positions: (2G) vertical axis fixed pipe; and, (5G) horizontal axis fixed pipeThermal Cut Test Acceptance Criteria: In the manual
22、 “as-cut“ condition, the end of the bevel shall not be more than1/8 in. out of square with the pipe wall, the minimum acceptable surface will be per sample #3 of the AWS C4.1 -G OxygenCutting Surface Roughness Gauge, and the bevel must be smooth and uniform without grinding or touch up.Welding Posit
23、ions: Restricted Access: One horizontal axis, fixed-pipe (5GR) and one vertical axis, fixed-pipe (2GR), See “Restricted“ Test Assemblies.Vertical Welding Progression: UpwardWelding Procedure Specification (WPS) No: F100Test Required: Visual (Table K341.24 of ASME B31.3), plus guided bends for each p
24、ipe (2G positions: 2 sidebend; 5Qposition: 4 sidebends). Radiography may be used in lieu of bends (ASME Sect IX, QW 302.2 and QW 304).Limits of Welder Qualification-Code: ASMEB31.3Type: Unlimited Qualification: Restricted and Unrestricted Access, Unlimited PositionsWelding Process: Shielded Metal Ar
25、c Welding (SMAW)Base Material: Group P Numbers 1 through 11Filler Metal: Backing Required Weld Thickness Range, In.Group F4 Yes 1/16-1/2Group F3 & Lower No 1/16 - 3/4Fillet Weld Size: Unlimited SizePositions: ALLVertical Welding Progression: UpAccess Restrictions: With or WithoutPlpe/tublng Dla.: 2-
26、7/8 in. Outside Diameter and LargerMaterial Form: As listed in ASME B31.3: Pipe, tubing, plate, etc.1/30/93 REVF-6AWS QC7-93 Supplement FWELDER QUALIFICATION TEST RECORDEye Correction Used: Yes No DNameType of Eye Correction: Eye glasses aContact lenses aMagnifiers GIdentification #Welder Reference
27、Code/Specification.Qualified with AWS WPS NoProcess(es) ManualSupplement No Test Description.Test base metal specification.Material number (M or P Number)Shielding GasSemi-Automatic a Automatic a Machine Oto ThicknesstoAWS filler metal classificationBacking Yes DDouble Welded a orCurrentPosition(s):
28、No OSingle Welded aAC O DC O1G 2G 3G 4GFlow RateFNo.Pipe DiameterPower tools used?Size2GR 5GR 6GROpen Root Yes a No aShort circuiting arc (GMAW) Yes g No aBack Purging Yes O No O5G 6G Vertical Progression: Root Up O Down OFill Up a Down OAccess Restricted During Test Yes O No aTEST RESULTSVisual tes
29、t results - cut quality NA a Pass a Fail DVisual test results-weld quality Pass a Fail aPROCESSES) QUALIFIED FORBend test resultsRadiographic test resultsNA a Pass O Fail aNA o Pass a Fail OPOSITION(s) QUAUFIED FOR:Groove:Pipe 1QO 2G O 5GD 6G O 6GR Q (T) MinPlate 1G 2G O 3G O 4G O (T) MinConsumable
30、Insert O Backing type D Open Root aFillet:Pipe 1FO 2F a 4F D 5F (T) MinPlate 1F 2F O 3F O 4F (T) MinVertical Up OSingle Side DDown oDouble side OWeld Deposit MinMaxMaxMaxMaxMaxDiameter RangeAccess: Restricted OUnrestricted The above named person is qualified for the welding process(es) used in this
31、test within the limits of essential variablesshown above. I hereby certify that I was not involved in the training of the above named individual as a welder:Date TestedTest FacilitySigned by.Test Facility No.Signed byAWS CWI No.Date Signed _Test SupervisorCorporate RepresentativeForm QC WF1A Perform
32、ance Qualification Test RecordTitleAWS QC7. Supplement F (CONFORMANCE WPS)Welding Proc. Spec. No. F100Revision No. Orig.Welding Process(es) SMAWFOR ASME/ANSI B31.3 SPECIFICATION*On file at AWS Headquarters (Q&C Dept)* Refer to ASME Boiler & Pressure Vessel Code, Section IXF-7PQR No. (s) 1005*Date 09
33、/20/91Type (s) MANUAL1BASE METALSP-No.* 1 Group Nos. 1 or 2 toThickness Range:Base Metal: Groove 1/16 TO 3/4 in.Pipe Dia Range: Groove ALL DIAMETERSFILLER METALS (QW-404)F-No.*A-No.*Spec.AWS No. (Class)Size of filler metal, in.Deposit weld, in.Metal Range: GrooveConsumable InsertJOINTS (QW-402)Joint
34、 Design: SINGLE-VEEBacking: NONESMAW31SFA-5.1E60103/32-1/80.160 MAXNONEP-Nos. 1 Group Nos. 1 or 2Fillet ALL THICKNESSFillet ALL DIAMETERSSMAW41SFA-5.1E70183/32-1/80.590 MAXNONERetainers: NONEBacking Material (Type) F3: NONEF4: REQUIREDTYPICAL PASS SEQUENCEPassrfM: E6010Balance: E7018JOINT GEOMETRY3/
35、32 In. 1/32 in. 1/16 in. 1/32 in.F-8WPS No. F100Page 2POSITIONSPositions) of Groove: ALL POSITIONSWelding Progression: UpPREHEATPreheat Temp. Min.: 50FInterpass Temp. Max: 650FPreheat Maintenance: NONEPOSTWELD HEAT TREATMENT NONEShielding Gas: NONEELECTRICAL CHARACTERISTICSCurrent AC or DC: DC Polar
36、ity EPAmps (Range): 50-130 Volts (Range): 20-30 FOR F3Amps (Range): 80-145 Volts (Range): 20-30 FOR F4FillerFillerTECHNIQUEString or Weave Bead: STRING OR WEAVEOrifice or Gas Cup Size: NONEInitial & Interpass cleaning (Brush, Grind, etc): POWER BRUSHING OR GRINDINGMethod of Back Gouging: NONE ALLOWE
37、DMulti or Single Pass (per side): MULTIPLEMulti or Single Electrodes: SINGLETravel Speed (Range): 1-12IPMPeening: NONEMaximum Weld Bead Thickness: 1/2 in.Weld Layer(s)PASS #1 ORPASS#1PASS #2 MAXORPASS #2 MAXProcessSMAWSMAWSMAWSMAWFiller MetalClassE6010E6010E7018E7018Dia.3/32“1/8“3/32“1/8“CurrentType
38、Polar.DC-EPDC-EPDC-EPDC-EPAmpRange50-7580-13080-10090-145VoltRange20-3020-3020-3020-30TravelSpeed Range2-12 IPM1-12 IPM1-12 IPM1-12 IPMF-9Lr.ECM4 in. NPSPLAN VIEW A-ANOTE: TEST FACILITY CAN BE DESIGNED AS DESIRED,BUT MUST COMPLY WITH DIMENSIONS OF SETUP.TEST PIPEAPPROX.5 in,APPROX.5 in.L5CVI14 in. N
39、PSELEVATION VIEW B-BSEE SECTION C-C FORTEST ASSEMBLY VIEW2GR Restricted Test AssemblyF-101 ft.6 in.TEST PIPEt.OFTEST WELD nJn.2-1/2 in,4 In. NPSALL UNMARKED DIMENSIONSAND DETAILS TO BEPROVIDED BY USERWALLIAv/Av2 ft.-6 in. MAX.SECTION C-C SIDE VIEW2GR Restricted 2GR Position Test Assembly1OPEN-vEND 2
40、 fl.-O in.1 ft.0 in. IIuPLAN VIEW A-ANOTE: TEST FACILITY CAN BE DESIGNED AS DESIRED,BUT MUST COMPLY WITH DIMENSIONS OF SETUP.fTEST PIPEcCM4 in. NPSAPPROX.5 in.T“I oAPPROX.5 in.&4 In. NPSSEE SECTION C-C FORTEST ASSEMBLY VIEWELEVATION VIEW B-BF-115GR Restricted Test AssemblyF-121/4 in. PLATE VTESTWELD
41、FLOOR . V TEST PIPESECTION C-C SIDE VIEW5GR Restricted 5GR Position Test AssemblyF-13MAINTENANCE OF CERTIFICATIONName I.D.#Enter date of last use of each of the following process(es):SMAW FCAW GTAWGMAW SAW OtherCERTIFICATION IS EXTENDED FROM DATE INDICATED ABOVEEmployer/Test Supervisor/Customer (circle one) Verification: We certify that the above named welder used theprocesses on the dates indicated.Print Name TitleCompany Name Phone.Signature Date _WE RECOMMEND SENDING “U.S. MAIL, RETURN RECEIPT REQUESTED.“Form QC-WF3A Maintenance of Certification1/30/93 REV
