Hi Season greetings.
I want to weld a 150 MM X 100 MM CONCENTRIC REDUCER , of "ASME B16.9 , BE , ASTM A860-GRADE WPHY42 , SEAMLESS , S-160 X S-XXS , IMPACT TESTED AT -45 DEG C, CVN: 40J FULL SIZE SPECIMEN" to a 150mm "SCH 80 API 5L GR B SMLS PSL-2" Pipe. Is it okay to weld this fitting as I do...