This standard specifies the classification and grading, technical requirements, repair welding and correction, test methods, inspection rules and delivery methods of structural steel investment castings. This standard applies to aerospace structural steel investment castings. Shell type and ceramic type castings can also be used as reference.
HB 5001-1992 history
2013HB 5001-2012 Specification for investment castings of structure steel for aviation
1992HB 5001-1992 Technical Standards for Structural Steel Investment Castings