GB/T 28412-2012 in English

《GB/T 28412-2012高温合金精铸叶片通用技术条件》由TC183（全国钢标准化技术委员会）归口，TC183SC10（全国钢标准化技术委员会特殊合金分会）执行，主管部门为中国钢铁工业协会。

Scope

1.1 This standard specifies the technical requirements, test methods, inspection rules and delivery conditions for the delivery of high-temperature alloy precision casting blade products. 1.2 This standard is applicable to precision casting turbine working blades and precision casting turbine guide blades for aero-engines, ships and ground gas turbines produced by ordinary precision casting, directional solidification casting and single crystal casting. Other types of cast blades can be used as reference. 1.3 When the provisions in the contract agreement or special technical documents are inconsistent with the provisions in this standard, the contract agreement or special technical documents shall prevail.