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Recent content by KenHutch
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Recovering from PWHT Over Heat above Lower Critical Temp on P5A to P4 (1.25%) Chrome Weld
Thank you weldstan, We performed Brinell Hardness Tests on the unheated pipe, heated pipe, weld cap, and valve. All indications are that there was no change in hardness of the base materials and we have elected to follow your first recommendation.- KenHutch
- Post #3
- Forum: ASME (mechanical) Code Issues
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Recovering from PWHT Over Heat above Lower Critical Temp on P5A to P4 (1.25%) Chrome Weld
As the saying goes - Long time reader - first time poster. Problem - ASME Code B31.1 - New 12" Main Steam Stop SA-182 F22 Valve (P5A) welded into old 12" SA-335 P11 Main Steam Pipe (P4 1.25% Chrome) using WPS qualified with PWHT at 1350 F. Weld Checklist (Traveler) specified 1275 +25/-0 F...- KenHutch
- Thread
- Replies: 2
- Forum: ASME (mechanical) Code Issues
