GB/T 20409-2006
AbolishedMulti-rifled seamless steel tubes for high-pressure boiler
高压锅炉用内螺纹无缝钢管
Application Summary AI generated
This standard specifies the dimensions, technical requirements, test methods, and acceptance rules for multi-rifled seamless steel tubes used in high-pressure boilers. It is applied in the manufacturing of water-wall tubes and heat-exchange components in utility boilers, industrial boilers, and power plant steam generators, where enhanced heat transfer and resistance to high-temperature and high-pressure conditions are critical.
Related Standards
GB/T 28907-2012
Sulfuric acid dew-point corrosion resistance steel plates and strips
GB/T 1499.2-2018
Steel for the reinforcement of concrete — Part 2: Hot-rolled ribbed bars
GB/T 15019-2003
Designation and classification of rapidly quenched metals
GB/T 19345-2003
Amorphous and nanocrystalline soft magnetic alloy strips
GB/T 12362-2003
Tolerances and machining--Allowances ofsteel die forging
GB/T 12361-2003
General specification of steel die forgings
GB/T 702-2004
Hot-rolled round and square steel bars--Dimension，shape，weight and tolerance
GB/T 911-2004
Dimensions，shapes，weight and tolerances for hot-rolled tool flat steels
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.