Trosolwg o Pibell Boeler
ASME SA106, ASME SA179, ASME SA192, ASME SA210, ASME SA213, ASME SA335, ac ati
Gradd O Pibell Boeler
Tiwbiau dur di-dor ar gyfer boeleri pwysedd isel a chanolig
GB/T3087-2008 10# dur, 20# dur
Tiwbiau dur di-dor ar gyfer boeleri pwysedd uchel
GB/T5310-2017 20G, 20MnG, 25MnG, ac ati
ASME SA 106 GR.A, GR.B, GR.C, Etc
ASTM A210 GrA. GrC
ASTM A213 Gr. T5, T9, T11, T22 ac ati
ASTM A335 Gr. P5,P9,P11,P22,P91,P92 Etc.