Download - Welding q
-
7/27/2019 Welding q
1/33
Eakkachai Warinsiriruk
Production Engineering (B. Eng)
Master Degree of Welding Engineering (M. Eng)
International Welding Engineering (IWE); TH-IWE-0043
Certified Assistant Welding Inspector (CAWI)
Radiographic Films Interpretation (RI) ; KMUTT-RI-005/2006Liquid Penetrant Testing Level II
(ASNT/ASTM1417-05-Aerospace Component)
UT/MT Level I; CGSB
Welding Procedu re and
Welder Qual i f icat ion
-
7/27/2019 Welding q
2/33
Content 1 Objective of WPS, PQR and WQT/WOPQ.
2 Step for Welding Qualification.
3 Welding Procedure Qualification on AWS D1.1
4 Welder Performance Qualification on AWS
D1.1
5 Case Study.
-
7/27/2019 Welding q
3/33
Meaning for WPS, PQR and WPQ A Welding Procedure Specif icat ion (WPS) [1] is a written
document that provides direction to the welder or welding operator
for making production welds in accordance with Code requirement.
1: ASME BPV CODE Sec IX 2004
The Procedure Qual if icat ion Record (PQR)[1] documents what
occurred during welding the test coupon and results of testing of thecoupon.
In Performance Quali f icat ion[1], the basic criterion established for
welder qual i f icat ion is to determine the welders ability to deposit
sound weld metal. The purpose of the performance qualification test
the weld ing operator is to determine the welding operatorsmechanical ability to operate the welding equipment.
*** The purpose for qualification of a WPS is to determine that the weldment
proposed for construction is capable of providing the required properties for
its intended application. Welding procedure qualification establishes theproperties of the weldment, not skill of the welder or welding operator.
-
7/27/2019 Welding q
4/33
Scopes o f the WPS, PQR, and WPQ.WPS PQR WPQ
Specify:
Variable rang es
Essent ial var iables
Nonessent ial var iables
other direct ions
Record:
Ac tual values
Essent ial var iables
Test and result
oth er data
Record: Specify:
Values Range
Test Qualif ied
Record Test
and
Test Resul t
-
7/27/2019 Welding q
5/33
Suggested Format for WPS
Please see attached Documents
-
7/27/2019 Welding q
6/33
Suggested Format for PQR
Please see attached Documents
-
7/27/2019 Welding q
7/33
Suggested
Format for WPQ
Please see attached Documents
-
7/27/2019 Welding q
8/33
Welding Application
From Sawatudom Engin eering (Rayong) Co., Ltd.
Air Receiver Tank : SA 516M Gr 485
Follow on ASME BPV Code Sec VIII Divis ion 1 2004
-
7/27/2019 Welding q
9/33
Examp le for Weld Map (Air Receiver Tank )
-
7/27/2019 Welding q
10/33
Welding Eng ineer ingshall be plan the weldingmethods and fabrication in these job.
- Material Characteristic?, Process?, Filler metal?
- Plant Facilities? And Cost control?
-How many use to welder/ welding operator?- How do to minimize test coupon?
- How do to quality control during weld?
- Other constraint?
Solution:
1)
2)
-
7/27/2019 Welding q
11/33
Qualification onAWS D1.1
-
7/27/2019 Welding q
12/33
Welding ProcedureQualification
-
7/27/2019 Welding q
13/33
-
7/27/2019 Welding q
14/33
See Table 3.1 ,Table4.8 andAnnex M
-
7/27/2019 Welding q
15/33
-
7/27/2019 Welding q
16/33
Graville DiagramHSLA Steels TMCP Steels Low-carbon SteelsCr-Mo SteelsQT Steels
HTLA Steels
-
7/27/2019 Welding q
17/33
Weld Positions for Groove Weld
Weld Posi t ion on Plates
-
7/27/2019 Welding q
18/33
-
7/27/2019 Welding q
19/33
Groove Weld on Pipes
Why 6G,
6GR
qualified allpositions
http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4900 -
7/27/2019 Welding q
20/33
The engineering shall be consider to essential variables for
these project. Because, that consideration is become tominimize PQR tests (minimize budgets for test).
-
7/27/2019 Welding q
21/33
***
http://thumbs.ebaystatic.com/pict/1200369610544040_0.jpg -
7/27/2019 Welding q
22/33
AWS D1.1: 4.8 Method of Testing and AcceptanceCriteria for WPS Qualification
Visual Inspection NDT
Mechanical Test
Macroetch Test
Retest
-
7/27/2019 Welding q
23/33
-
7/27/2019 Welding q
24/33
*** How much forsize of eachspecimens?
http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4902 -
7/27/2019 Welding q
25/33
-
7/27/2019 Welding q
26/33
Welding Operation Welder: One who performs
manual or semiautomatic
welding Welding, Manual: welding
wherein the entire weldingoperation is performed andcontrolled by hand.
Welding , Sem iautomaticarc: arc welding withequipment which control onlyfiller metal feed. The advance
of the welding is manuallycontrolled.
AWS A3.0/ CASTIGuidebook to ASME section IX: Welding Qualification
Welding Operation
-
7/27/2019 Welding q
27/33
Welding operator: one whooperates machine or automaticwelding equipment.
Welding , Mach ine: weldingwith equipment that hascontrols that arc manuallyadjusted by the weldingoperator in response to visualobservation of the welding, withthe torch, gun or electrodeholder held by mechanicaldevice.
Welding, Au tomat ic: weldingwith equipment performs the
welding operation withoutadjustment of the control by awelding operator. Theequipment may or many notperform the loading and
unloading of the work.
Welding Operation
http://www.windpower.org/en/tour/manu/towerwld.htm
AWS A3.0/ CASTIGuidebook to ASME section IX: Welding Qualification
Welder Performance
-
7/27/2019 Welding q
28/33
Welder PerformanceQualification
-
7/27/2019 Welding q
29/33
-
7/27/2019 Welding q
30/33
-
7/27/2019 Welding q
31/33
-
7/27/2019 Welding q
32/33
http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912 -
7/27/2019 Welding q
33/33
Case Study12
3
http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912http://partners.webmasterplan.com/click.asp?ref=270406&site=1849&type=text&tnb=10&pid=4912