Standards:Seamless steel tube
GB3087 Chinese national standard
GB5310 Chinese national standard
ASME SA106 Boiler and pressure vessel code of ASME
ASME SA333 Boiler and pressure vessel code of ASME
ASME SA335 Boiler and pressure vessel code of ASME
DIN17175 Deutsches industrial standard EN10216-2 European standard for pressure pipes
Application:
For boilers and pressure vessels of medium and low pressures(normally,the cintainer and steam pipelines With the operating pressure not higher than 5.88Mpa,operating temperature below 450℃);for high-pressure boilers(normally,the cintainers,steam pipelines and petrochemical pipelines with the operating pressure not higher than 9.8Mpa.Operating temperature between 450℃~650℃).
Model No.of major steel tubes:
10,20,20G,20MnG,25MnG,15CrMoG,12Cr2MoG,12Cr1MoVG,10Cr9Mo1VNb,SA106B,SA106C,SA333 grade I,SA333 gradeⅥ,SA335 Ps,SA335 P11,SA335 P12,SA335P22,SA335 Pm91,SA335 P92,ST45.8/Ⅲ,15Mo3,13CrMo44,10CrMo910,15NiCuMoNb5-6-4.Etc.