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See Chinese contents: JB/T 6880.1-2013 JB/T 6880.1-2013: Grey iron castings for pumps
This standard specifies the terms and definitions, designations, technical requirements, test methods, inspection rules, casting markings, packaging, storage and transportation requirements of gray iron castings for pumps (hereinafter referred to as castings). This standard applies to gray iron castings for pumps, which are cast in sand molds or molds with thermal conductivity equivalent to sand molds, where there are no special requirements for repair welding in drawings or other technical documents. Gray iron castings for pumps as cast in other molds can also be used for reference.
