GB/T 37681-2019: Translated English of Chinese Standard. (GBT 37681-2019, GB/T37681-2019, GBT37681-2019): Heavy steel castings - General technical specification
https://www.chinesestandard.net, Aug 31, 2019 - Technology & Engineering - 23 pages
This Standard specifies the ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, acceptance and delivery, etc. of heavy steel castings. This Standard applies to heavy steel castings cast using the sand mold or casting mold with equivalent thermal conductivity as the sand mold.
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Ordering requirements and documents
Inspection rules and test methods
Method of test
Acceptance and delivery
acceptance accordance agreed arc air gouging average bar of casting carbon arc air carbon equivalent cast defect casting body casting process casting surface chemical composition analysis comply confirmed corresponding cutting definition delivery Determination dimension dimensional tolerances distance drawings elements furnace grinding groove hardness inspection heat treatment inclusion internal ladle less lower machining allowance Magnetic particle testing mass inspection mass tolerances material mean mechanical properties meet the requirements melting metal metallographic structure non-destructive testing operation ordering agreement Penetrant testing performance performance heat treatment position preheating preparation provisions of GB/T purchaser quantity Radiographic testing record refer remove repair welding zone retest riser sample selected separated test bar shape special tests standards Steel and Iron steel castings stress relief annealing subjected to stress supplier surface roughness taken Technical specification JB/T temperature tensile test test is carried test lug test results test unit Testing method tool Unless otherwise specified