위의 좋은 답변에 추가로 더 필요하시면 아래의 자료들을 (for 용접재료 선정과 Repair Welding시 중요점 & Check Points) 참조하시기 바랍니다. 아울러 Filler wires에 대한 Chemical Composition Limits (including X-bar) 가 요구되는지 그리고 Controlled-Deposition-Repair-Welding 을 적용하는지 확인도 해 보시기 바랍니다.
[References]
API RP582 Welding Guidelines for the Chemical, Oil, and Gas Industries
API RP577 Welding Inspection and Metallurgy
API Publ. 959 Study of Temper Embrittlement of Cr-Mo Steels
ASME PCC-2 Repair of Pressure Equipment and Piping
WRC #506 Half-Bead/Temper-Bead/Controlled Deposition Techniques of Cr-Mo Steels
TWI-5667-Optimisation of Weld Metal Properties for Improved Cr-Mo Steels
http://www.twi.co.uk/j32k/protected/band_13/power_casenon1.html
https://www.osti.gov/biblio/471160-ewi-twi-controlled-deposition-repair-welding-procedure-cr-mo-cr-steels
https://www.springer.com/gp/book/9783030364298