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C-spec Welding Procedure Specification Software
PO Box 27604 Concord, California 94527
ASME IX Welding Procedure Specification (WPS)
C-spec WeldOffice Software
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| WPS record number | P1-AT-Lh-CVN | Revision | 0 | Qualified to | ASME IX |
| Date | 9/14/00 | Company name | C-spec Welding Procedure Specification Software | ||
JOINTS (QW-402): Typical joint(s). See actual production drawings and engineering specifications for details.
PREHEAT TABLE (QW-406)
| Applicable standard | |
| ASME Section VIII Div. 1 | 175 (°F) for thickness over 1 (in.) and specified maximum carbon content over 0.30%. 50 (°F) for all other materials. |
| ASME Section III Div. 1-NG | 250 (°F) for thickness over 1 (in.) and specified maximum carbon content over 0.30%. 200 (°F) for thickness over 1.5 (in.) and maximum carbon content of 0.30% or less. 50 (°F) for fillet welds 1/2 (in.) and less used to attach parts not carrying loadings due to internal pressure. 50 (°F) for all other materials. |
| ASME B31.1 | 175 (°F) for thickness over 1 (in.) and specified maximum carbon content over 0.30%. 50 (°F) for all other materials. |
| ASME B31.3 | 50 (°F) for thickness less than 1 (in.) and specified minimum tensile strength not over 71000 (psi). 175 (°F) for 1 (in.) and greater thickness, or if specified minimum tensile strength is over 71000 (psi). |
| Temperature | (°F) | 1100-1200 | Time | (hrs) | 1hr/(in.) | 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): |
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TECHNIQUE (QW-410)
| Peening | Not permitted | ||||
| Surface preparation | None | ||||
| Initial/Interpass cleaning | Brushing and Grinding | ||||
| Back gouging method | Thermal or Mechanical. When required, back-gouge to sound metal and back-weld. | ||||
| NOTES: For NON-impact tested applications only, the following AWS/SFA classifications can be used with this procedure: GTAW: ER70S-2, ER70S-3, ER70S-4, ER70S-5 SMAW: E7015, E7016, E7018, E7018M, E7048 |
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Welding Engineer
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QA Manager
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