A vast amount of the P92 steel pipes used for power-generating units in China are imported from abroad

for this

the physico-chemical behavior of P92 steel pipes

which imported at Tianjin port

have been inspected and analysed

and being evaluated.The statistical and analytical results for chemical elements

mechanical properties

and micro structure tests carried out for 55 batches of imported P92 steel pipes show that the imported P92 steel pipes have many advantages

i.e.stable mechanical property

lower content of sulphur element

suitable level of Cr equivalent

and low level of inclusion matters

etc..At the same time

the problems of lower content of Cr element and bad proportioning ratio of N an B elements are also existed.