GB3087-2008 - national standards of China

GB5310-2008 - national standards of China

ASME sa106 - American boiler and pressure vessel example

ASME SA210 - American boiler and pressure vessel example

ASME SA213 - American boiler and pressure vessel example

Din17175 - industrial scale of Federal Republic of Germany

Application of high pressure steam boiler pipe

Heating surface tube for low and medium pressure steam boiler (the working pressure is generally not greater than 5.88MPA, and the working temperature is below 450 ℃); It is used for heating surface pipes, economizers, superheaters, reheaters and pipes for petrochemical industry of high-pressure steam boilers (the working pressure is generally above 9.8MPa and the working temperature is between 450 ℃ ~ 650 ℃).