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 grade,SA335 Ps,SA335 P11,SA335 P12,SA335P22,SA335 Pm91,SA335 P92,ST45.8/,15Mo3,13CrMo44,10CrMo910,15NiCuMoNb5-6-4.etc.