GB/T 31226-2014
ActiveStandard test method for determination of surface roughness by scanning tunneling microscopy for gas distribution system components
扫描隧道显微术测定气体配送系统部件表面粗糙度的方法
Application Summary AI generated
This standard specifies a test method using scanning tunneling microscopy to measure the surface roughness of components in gas distribution systems. It is applied in the semiconductor and high-purity gas industries to evaluate the surface finish of pipes, valves, and fittings, ensuring they meet cleanliness and particle-shedding requirements for ultra-high purity gas delivery.
Related Standards
GB/T 14495-2009
Geometrical Product Specifications (GPS)- Surface texture: Profile method Roughness comparison specimens for wooden pieces
GB/T 3934-2003
Specification of gauges for general purpose screw threads
GB/T 9056-2004
Metal ruler
GB/T 9058-2004
Micrometer with prismatically arranged measuring faces
GB/T 8124-2004
Tolerances and general features of gauges for metric trapezoidal screw threads
GB/T 6091-2004
Knife straight edge
GB/T 8122-2004
Dial bore gauges
GB/T 6314-2004
Internal micrometers with three-point contact
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.