GB/T 37681-2019 Translated English of Chinese Standard. (GBT 37681-2019, GB/T37681-2019, GBT37681-2019): Heavy steel castings - General technical specificationhttps://www.chinesestandard.net, 2019 M08 31 - 23 páginas 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. |
Contenido
Foreword | 6 |
Ordering requirements and documents | 8 |
Manufacturing process | 9 |
Technical requirements | 12 |
Inspection rules and test methods | 14 |
Acceptance and delivery | 19 |
Steel and Iron Sampling and Preparation of Samples for | 20 |
Términos y frases comunes
agreements implemented arc air gouging arithmetic mean bar of casting basis for acceptance Brinell hardness test carbon arc air carbon equivalent carried out according cast defect casting body casting process casting surface chemical composition analysis dimensional tolerances executed standard heat treatment furnace heavy steel castings impact samples induction furnace inspection lot inspection test bar intergranular corrosion machining allowance Magnetic particle testing mass inspection mass tolerances mechanical properties meet the requirements metallographic structure non-destructive testing ordering agreement ordering documents Penetrant testing performance heat treatment post-weld stress relief product analysis provisions of GB/T purchaser Radiographic testing repair welding process repair welding zone riser separated test bar special tests stress relief annealing subjected to stress Surface quality surface roughness Technical specification JB/T tempering temperature tensile test terms and definitions test is carried test lug test results test unit testing The casting Ultrasonic testing Unless otherwise specified unqualified test bar welding procedure specification