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C-spec Welding Procedure Qualification Record
PO Box 27604 Concord, California 94527
ASME IX Procedure Qualification Record (PQR)
C-Spec WeldOffice Software
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| PQR record number | PQR-100 | Revision | 0 | WPS record number | P1-AT-Lh-CVN | Revision | 0 |
| Date | 9/14/00 | Company name | C-spec Welding Procedure Qualification Record Software | ||||
BASE METALS (QW-403)
| Product form | Specification type or grade | P no. | Grp-no. | Size | Sch. | Thick. (in.) | Dia. (in.) | |
| Welding to: | Plate | SA-516 (60) | 1 | 1 | - | - | 1.5 | - |
| Plate | SA-516 (70) | 1 | 2 | - | - | 1.5 | - | |
| and tested: | Without PWHT - With PWHT - With impacts - | |||||||
| Notes | ||||||||
| Temperature | (°F) | 1150 | Time | (hrs) | 2 | Type | Below lower transf. temp. |
| Heating rate | (°F/hr) | 300 | Method | Furnace | |||
| Cooling rate | (°F/hr) | 300 | Method | Still air | |||
| Notes | |||||||
| Preheat maintenance after completion of welding prior to PWHT (QW-406.2): |
|
JOINTS (QW-402)
| Joint Design | Single-V-groove | |
| Backing | None | |
| Retainers | None | |
| Groove Angle | (deg.) | 60 |
| Root opening | (in.) | 1/8 |
| Root face | (in.) | 1/8 |
| Welding process | GTAW | SMAW | |
| Type | Manual | Manual |
FILLER METAL (QW-404)
| SFA specification | 5.18 | 5.1 | ||
| AWS classification | ER70S-2 | E7018 | ||
| Filler metal F-number | 6 | 4 | ||
| Weld metal A-number | 1 | 1 | ||
| Filler metal nominal composition | - | - | ||
| Filler metal trade name | - | - | ||
| Filler metal size | (in.) | 1/8 | 1/8 | |
| Deposit thickness | (in.) | 0.5 | 1.0 | |
| Maximum pass thickness | (in.) | 0.125 | 0.25 | |
| Weld deposit chemistry | - | - |
POSITION (QW-405)
| Position of groove | 3G | 3G | ||
| Weld progression | Uphill | Uphill |
PREHEAT (QW-406)
| Preheat temperature | (°F) | 75 | 140 | |
| Maximum interpass temperature | (°F) | 320 | 510 |
GAS (QW-408)
| Shielding: | Gas type | Argon | - | ||
| Flow rate | (cfh) | 20 | - | ||
| Trailing: | Gas type | None | - | ||
| Flow rate | (cfh) | - | - | ||
| Backing: | Gas type | None | - | ||
| Flow rate | (cfh) | - | - |
ELECTRICAL (QW-409)
| Filler metal size | (cfh) | 1/8 | 1/8 | |
| Amperes | 90 - 100 | 110 - 125 | ||
| Volts | 12 | 20 - 24 | ||
| Travel speed | (in./min) | 2 - 3.5 | 5 - 6 | |
| Maximum heat input | (kJ/in.) | 32.4 | 36 | |
| Tungsten size | (in.) | 1/8 | - | |
| Tungsten type | SFA 5.12 EWTh-2 | - | ||
| Current/polarity | DCSP | DCRP | ||
| DC pulsing current | None | - |
TECHNIQUE (QW-410)
| String or weave | Stringer and Weave | Stringer and Weave | ||
| Orifice/Gas cup size | #5 | - | ||
| Multi/single pass | Multiple passes | Multiple passes | ||
| Peening | Not used | Not used | ||
| Initial/interpass cleaning | Brushing and Grinding | Brushing and Grinding | ||
| Back gouging method | None | None |