GB/T 37559-2019
ActiveNormalizing and annealing of heavy steel forgings
大型锻钢件的正火与退火
Application Summary AI generated
This standard specifies the technical requirements, process parameters, and inspection methods for normalizing and annealing heat treatment of heavy steel forgings. It is applied in the manufacturing of large-scale components such as turbine rotors, generator shafts, and heavy machinery parts used in power generation, shipbuilding, and metallurgical equipment. The standard ensures consistent mechanical properties and stress relief in forgings with cross-sections typically exceeding 500 mm.
Related Standards
GB/T 8121-2002
The terminology of technological materials for heattreatment
GB/T 7232-1999
Terminology of metal heat treatment
GB/T 13324-1991
Terminology of heat treatment installation
GB/T 12603-1990
Classification and designation on metal heat treatment
GB/T 9451-2005
Determination of total or effective thickness of thin surface hardened layers of steel parts
GB/T 9450-2005
Steels-Determination and verification of the depth of carburized and hardened cases
GB/T 5617-2005
Determination of effective depth of hardening after induction or flame hardening of steel
GB/T 11354-2005
Determination of nitrided case depth and metallographic microstructure examination for steel iron parts
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