Preliminary Rev 0 to Wps 01-43-T-801, Preliminary Weld Procedure for Perry Nuclear Power Plant Feedwater Nozzle Repair| ML20205C635 |
| Person / Time |
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| Site: |
Perry  |
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| Issue date: |
03/16/1999 |
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| From: |
ENTERGY OPERATIONS, INC. |
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| To: |
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| Shared Package |
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| ML20205C622 |
List: |
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| References |
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| WPS-01-43-T-801, WPS-1-43-T-801, NUDOCS 9904010286 |
| Download: ML20205C635 (9) |
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[Table view] |
Text
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Att: chm:nt 2 PY-CEl/NRR-2380L Page 1 of 9 4 I PRELIMINARY WELD PROCEDURE FOR PERRY NUCLEAR POWER PLANT FEEDWATER NOZZLE REPAIR
$410$$k NoSfjo i
sS Oi43-T40i Rev. 0 PRELIMINARY WPS Ariechrranta PY-CEl/NRR-2380L Page 2 of g Company Name: Welding Services,Inc. By: QA' Welding Procedure Specification No. Preliminary WPS 01-43-T-801 Date: 03/16/1999 Revision No. O Date 03/16/1999 Supporting PQR No.(s) None (This is the Preliminary WPS for qualification of POR 01-43-T-801).
Welding Pfocess(es) GTAW Type (s) Machine -
% % % s.m aASE RAETALS (QW403)
P-No. 1 Group No. 2 to P-No. 43 Group No. NA OR SpeclAcahon type and grade to Specincetion type and grade OR Chem. Analysis and Mech. Prop.
to Chem. Analysis and Mech. Prop.
Base Metal: Thickness Range: Groove 1.5" Fillet NA Pipe Dia. Range: Groove Plate Fillet NA Other None JOINTS (QW-402) PREHEAT (*F)(QW406)
Joint Design. Full-pen. temperbead groove. Preheat Temp. Min. 50*F Min.,60*F Max.
Backing (other than gas baciong) required? E Yes O No I y nterpassTemp. Max. 150*F and 350*F (See Preheat Notes)
Backing Material (Type) Carbon Steel Plate Proheat Maintenance: O No O Yes Retainers S Not Permitted O Permitted Proheat Notes: 150*F interpass temperature shaR apply for temperbead Other: Water backing win be used behind the weld groove. layers i through 3. 350*F shan apply for weld remainder.
POSITIONS (QW406) POSTWELD HEAT TREATMENT (QW-407)
Position (s) of broove 3G (Vertical) Tempers'ure Range None Wolding Progression: E Up O Down O Orbital Time Range NA Position (s)of Fillet: NA PWHT Notes: PWHT shall not be performed.
ELECTfDCAL CHARACTERISTICS (QW409) GAS (QW-408)
Current O AC S DC Polanty S Straight O Reverse Percent Composition Amps (Range) . See pg. 2 Volts (Range) See pg. 2 Gas (es) Mixture Rate (CFH)
Tungsten Type EWTh-2 Size 3/32",1/8*, or 5/32' Shielding Argon NA 1545 GMAWXfor Mode NA Trailing None NA NA Maximum Heatinput . See attached instructKms @ Backing None NA NA FILLER IIETALS (QW-404)
Spec. No (SFA) None G AWS Class ERNrCrFe-7 Solid Bare Wke @
F-No. F-43 A-No. NA Filler Size 0.035' l Wold Metal MCx. Deposit Thick. 1.5" FiNot Thk Range NA Flux Class None i Flux Trade Name NA I Consum. Insert O Permitted O Not Permetted S NA O Permetted O hot Permitted O NA O Permitted O Not Permrtted O NA insert Malerials None FinerWwe Feed E Cold Wire O Hot Wire TECHNIQUE (QW-410) l String orWeave Bead S String OWeave O Both OOther (explain):
OrtAce or Gas Cup Size #4 through #13.
Initti and lmerpass Cleaning S Mechanical O Thermal O Chemical O Other(explain)
Method of Back Gouging O Mechanical O Thermal B None Oscinsbon (Machine / Auto Only) Not Permitted Contact Tube to Work Distance NA Multiple or Single Pass (per side) O Single S Muitpie Multiple or Single Electrodes S Single O Multiple Travel Speed (Range) - See attached Technique Data Sheets.
Peening S Prohibited O Permitted (explain)
Welding without filler material S Prohibited O Permitted (explain)
Supplementalfiller material S Prohibited O Permitted (explain)
Qualified for impact Test Apps: 0 Yes O No Pass exceeding 1/2" permitted O Yes S No j
1 Page 3 of g WPS 01-43-T401 RTv. O Joint Details (QW-402)
- i x; '
P1 Group 2 P43 Water Backing Top View This Preliminary WPS serves to qualify POR 01-43-T-801 for ambient temperature temperbead welding on water-backed P-1 base materials.
A temperbead methodology (similar to that described in Draft ASME Code Case N-612) will be used to deposit three weld layers on the P-1 Group 2 base rnaterial groove face prior to installation of the remainder of the weld.
Water backing will be applied to simulate welding on water-filled pipe, and water will be circulate to simulate an infinite heat sink.
Water will not be introduced into the weld joint (i.e., the weld area will remain dry throughout weld installation).
PWHT will not be performed. The temperbead approach is not mandated by ASME Code requirements, but is being used to minimize adverse effects of witer backing on base metal impact properties. When the resulting POR is complete, it will be used to weld on water backed, impact-tested piping without PWHT and without elevated preheat. 1 Filler Metal Current Weld Type / Amperage Volt Travel Speed Lcyer(s) Process Class Diameter Polarity Range Range Range Other All O GTAW ERNiCrFe-7 0.035" @ DCEP @ @ 3.5 - 8.0 IPM @ NA G
I I
NOTES
@ Stepty-step instructions goveming weld installation are documented on the following pages of this Preliminary WPS. Compliance with these instructions is mandatory.
G ERNiCrFe-7 electrode (UNS N00052)is classified as F-43 in accordance with ASME Code Case 2142.
G Heat input controlis mandatory. Heat input rate is determined by the emperage, voltage, and travel speed used to install each weld pass, and is measured in Joules per inch. Three temperbead layers shall initia!!y be installed, as specified in the attached instructions. After these three temperbead layers are completed, the remainder of the weld shall be installed. Installation shall comply with the attached instructions, and the parameters used to install each portion of the weld shall be recorded on the attached technique sheets.
@ This preliminary WPS is issued based on the requirements of ASME Section XI,1992 Edition. Use of thrs WPS in applications govemed by other Code Editions / Addenda is permitted, provided a review demonstrates compliance with all applicable requirements of these other editions / addenda.
P:ge 4 of g eso m omyo Instructions for WPS-01-43-T-801 Temper Bead Repair of P-1 Group 2 Base Materials welded to P-43 Base Material using ERNiCrFe-7 Solid Bare Wire The followini; instruct' ions shall be followed for the welding of PQR 01-43-T 801. These instructions are to be used in addition to those contained on pages I and 2 of this WPS.
- 1. All welding shall comply with ASME Section IX and XI. All essentist and supplementary essential variables shall be recorded.
- 2. All welding filler materials shall be controlled in accordance with a program that assures they are identified as acceptable untit consumed.
- 3. Prior to weld installation, water backing shall be established as follows:
A. Attach the carbon steel backing strap to the back of both coupons using seal welds. ERNiCrFe-7 tiller material, and the manual GTAW process shall be used. Minimize seat weld size (these welds serve only to keep water from entering the weld area during PQR welding).
B. Construct a metal container, and attach this container to the edges of the procedure qualification test coupon. Either mechanical or welded attachment methods may be used. If welding is used, use ERNicrFe-7 for all welds that attach the container to the procedure qualification coupons. The container may be constructed of Carbon Ster.1 or other suitable material.
C. Fill the container with water. Establish a water flow through the container prior to installation of the first temperbead weld layer. Tap water may be used, provided it is within a temperature range of 50 F to 65'F. Maintain adequate water flow throughout weld installation, to simulate the efTects of an infinite heat sink.
- 4. The weld installation sequence shall be as follows:
A. The P1 Group 2 base material and the adjacent backing strap shall be buttered with a single-layer GTAW deposit. Welding parameters for this layer shall be recorded on the attached Technique Data Sheet for Layer 1. The final appearance of the first l weld layer shall be as shown in the following sketch. l I
P1 Group 2 P43 l
Water Backing Top View !
Layeri B. A second weld layer shall be installed, completely covering the first weld layer. Welding parameters for this layer shMI be recorded on the attached Technique Data Sheet for Layer 2. The final appearance of the second weld layer is shown in the following sketch. The outermost bead on this second layer shall be no closer than 1/8", and no further than 1/4" from the l point where the edge of the first layer contacts the P1 base material. l l
P1 Group 2 P43 Water Backing.
Top View Layer 2
Pege h of 9 WPS 01-43-T-801 Rev. O C. A third weld layer shall be installed, completely covering the second wcld layer. Welding parameters for this layer shall be recorded on the attached Technique Data Sheet for Layer 3. The final appearance of the third weld layer is shown in the following sketch. The outermost bead on this third layer shall nc,t extend past the point where the edge of the second layer contacts the first weld layer near the face of the P1 base material.
P1 Group 2 P43 l
}
Water Backing Top View Layer 3 D. The remainder of the weld shall be installed. Beads may be deposited in any sequence, e.g., completion ofindividual weld layers that span the entire weld groove is not require;i Welding parameters for this welding shall be recorded on the attached Technigre Data Sheet for ' Remaining Weld Passes'. The completed weld shaF have at least one full layer of reinforcement (weld crown) that extends above flush with adjacent base material.
P1 Group 2 P43 Water Backing Top View Remaining Layers E. Destructive testing (consisting of Charpy impact tests of the P1 Base Material and P1 HAZ, Transverse Tensile Tests (2 each) and Side Bend Tests (4 each) shall then be performed in accordance with ASME Code requiremen3.
r Page 6 of 9 WPS 01-43-T-801 Ree. O Layer 1 Technique Data Sheet (Applicable only to Layer 1)
BACKGROUND UPSLOPE TIME PRIMARY CURRENT CURRENT DOWNSLOPE TIME 1
0-30 SEC 0-300 AMPS 0-300 AMPS 0-30 SEC l
TRAVEL START DELAY TRAVEL SPEED LOW PULSE FREQ LOW PULSE WIDTH SYNC ULSE l A
0-30 SEC 0-.20.0 IPM 0-9.9 PPS 0-99 % opp SYSTEM MODE
, WIRE SPEED i OPERATE TEST START DELAY PRIMARY BACKGROUND
\
0-30 SEC 0-99 IPM 0-99 IPM OFF 3 5 FWD REV MAN OSCILLATOR OUT EXCURSION IN AMPLITUDE DWELL TIME DWELL FIXTUR MODE PREPURGE
.0 0 NA NA NA SAMPLED 0790 INCHES 0.1-0.9 SEC 0.1-0.9 SEC 0.1-0.9 SEC LOCK CONT. !
A l PRIMARY BACKGROUND
RESPONSE
NA 5.0-25.0 VOLTS 5.0-25.0 VOLTG' ,
l l
NOTES:
Record applicable parameters used to installlayer 1.
Welding of the first layer shall comply with all other requirements of this Preliminary WPS.
l l
l I
r Page 7 of 9 WPS 0143-T-801 Rev. O Layer 2 i , ,
Technique Data Sheet (Applicable only to Layer 2) l BACKGROUND '
UPSLOPE TIME PRIMARY CURRENT CURRENT DOWNSLOPE TIME i 0-30 SEC 0-300 AMPS 0-300 AMPS 0-30 SEC I
TRAVEL START DELAY TRAVEL SPEED LOW PULSE FREQ LOW PULSE WIDTH L'NC ULSE 1
A 0-30 SEC 0-20.0 IPM 0-9.9 PPS 0-99 % opp SYSTEM MODE
, WIRE SPEED i OPERATE TEST START DELAY PRIMARY BACKGROUND
\
0-30 SEC 0-99 IPM 0-99 IPM OFF 3 5 FWD REV MAN OSCILLATOR OUT EXCURSION IN AMPLITUDE DWELL TIME DWELL FIXTU MODE PREPURGE
.0 0 NA NA NA SAMPLED 0.99 INCHES 0.1-0.9 SEC 0.1-0.9 SEC 0.1-0.9 SEC LOCK CONT.
A l PRIMARY BACKGROUND
RESPONSE
NA 5.0-25.0 VOLTS 5.0-25.0 VOLTS 1
l NOTES:
Record applicable parameters used to install layer 2.
Welding of the second layer shall comply with all other requirements of this Preliminary WPS.
e s Page 8 of 9 WPS 01-43-T-801 R:v. O Layer 3 Technique Data Sheet (Applicable only to Layer 3)
BACKGROUND UPSLOPE TIME PRIMARY CURRENT CURRENT DOWNSLOPE TIME 4 0-30 SEC 0-300 AMPS 0-300 AMPS 0-30 SEC I TRAVEL START DELAY TRAVEL SPEED LOW PULSE FREQ LOW PULSE WIDTH SYNC ULSE A
0-30 SEC 0-20.0 IPM 0-9.9 PPS 0-99 % opp SYSTEM MODE i WIRE SPEED i OPERATE TEST START DELAY PRIMARY BACKGROUND l
l l
0-30 SEC 0-99 IPM 0-99 IPM OFF 3 5 FWD REV MAN OSCILLATOR OUT EXCURSION IN AMPLITUDE DWELL TIME DWELL
\
FIXTUR MODE PREPURGE
.0 0 NA NA NA E SAMPLED 0.99 INCHES 0.1-0_9 SEC 0.1-0.9 SEC 0.1-0.9 SEC LOCK CONT.
A ,
1 PRIMARY BACKGROUND
RESPONSE
NA 5.0-25.0 VOLTS 5.0-25.0 VOLTS NOTES:
Record applicable parameters used to install layer 3.
Wziding of the third layer shall comply with all other requirements of this Preliminary WPS.
I
Page 9 of 9 WPS 01-43 T-801 R;v. O Remaining WeldPasses
, , Technique Data Sheet (Applicable only after completion of Layers 1 through 3) !
BACKGROUND l
, UPSLOPE TIME PRIMF.Y CURRENT CURRENT DOWNSLOPE TIME 0-30 SEC 0-300 AMPS 0-300 AMPS 0-30 SEC l
TRAVEL START DELAY TRAVEL SPEED LOW PULSE FREQ LOW PULSE WIDTH SYNC ULSE A
0-30 SEC 0-20.0 IPM 0-9.9 PPS 0-99% opp SYSTEM MODE
, WIRE SPEED , OPERATE TEST START DELAY PRIMARY BACKGROUND
\
l 0-30 SEC 0-99 IPM 0-99 IPM OFF 3 5 FWD REV MAN OSCILLATOR 'UT EXCURSION IN AMPLITUDE ih/ ELL TIME DWELL FIXIUR MODE PREPURGE
.0 0 NA NA NA SAMPLED 0.99 INCHES 0.1-0.9 SEC 0.1-0.9 SEC 0.1-0.9 SEC LOCK CONT.
A PRIMARY BACKGROUND
RESPONSE
NA 5.0-25.0 VOLTS 5.0-25.0 VOLTS NOTES:
Record applicable parameters used to install remaining weld passes.
Welding of all remaining weld passes shall c^raply with all other requirements of this WPS.