GB/T 28411-2012 General specification of superalloy investment structural castings
GB/T 28411-2012 General specification of superalloy investment structural castings
Basic Information
Scope
1.1 This standard specifies the technical requirements, test methods, inspection rules, and delivery conditions for high-temperature alloy precision-cast structural parts products.
1.2 This standard applies to structural parts manufactured by ordinary precision casting, which mainly include: fully cast guides, bearing housings, impellers, tailpipe adjustment plates, stabilizers, bearing seats, and other precision-cast structural parts (hereinafter referred to as precision-cast parts). Other types of cast structural parts can be used as reference.
1.3 When the provisions of the contract agreement or special technical documents are inconsistent with those of this standard, the contract agreement or special technical documents shall prevail.