This standard specifies the classification, quality requirements, inspection rules, defect repair and repair welding, and brazing process evaluation requirements for vacuum brazing of high-temperature alloys and stainless steels. This standard is applicable to the quality inspection of vacuum brazing of high-temperature alloy and stainless steel parts in aerospace engines and other aviation products.
HB 7575-1997 history
1997HB 7575-1997 High temperature alloy and stainless steel vacuum brazing quality inspection