Q/BQB 402-2003 steel characteristics
Classification and code: According to the use, surface quality and heat treatment type, Q/BQB 402-2003 standard steel plate and steel with different classification and code. For example, according to the use can be divided into general use (SPCC), stamping (SPCD) and deep drawing (SPCE).
Surface quality: Different levels of surface quality are available, such as higher finished surface (FB), Higher Finished surface (FC) and Super advanced Finished surface (FD).
Size and shape: specifies the specific requirements and permissible deviations of the size, shape and weight of the steel plate and steel strip.
Technical requirements: including the chemical composition of steel plate and steel strip, mechanical properties, hardness, bending properties and other specific requirements.
Q/BQB 402-2003 cold continuous rolled carbon steel plates and steel strips are widely used in many fields, including but not limited to:
Construction industry: Used to manufacture various building structures and components, such as Bridges, high-rise buildings, etc.
Automobile manufacturing: Used to manufacture automobile body, chassis, engine and other components to meet the automotive industry's demand for high-strength, high-precision steel plates.
Home appliance manufacturing: It is used to manufacture the shell and structural parts of home appliance products such as refrigerators, washing machines and air conditioners to improve the stability and durability of products.
Mechanical manufacturing: Used to manufacture various mechanical parts and components to meet the high precision and high strength requirements of mechanical equipment.
In summary, Q/BQB 402-2003 standard cold continuous rolled carbon steel plate and steel strip with its excellent performance, diversified classification and a wide range of application fields, play an important role in industrial manufacturing.