This document specifies the material grades, technical requirements, production methods, test methods, inspection rules and judgments, as well as labeling, quality certificates, packaging and storage of heat-resistant fatigue ferritic vermicular graphite cast iron for compressed natural gas (hereinafter referred to as CNG) engines. , transportation and protection. This document is applicable to heat-fatigue-resistant ferrite vermicular graphite cast iron turbine shells for CNG engines produced by sand and shell casting methods and with operating temperatures not exceeding 850°C, and for heat-fatigue resistant CNG engines and other fuel engines produced by other casting methods. Ferritic vermicular graphite castings can be used as a reference.
T/CFA 020101071-2022 history
2022T/CFA 020101071-2022 Thermal fatigue resistant ferritic vermicular graphite iron castings for compressed natural gas engines