... 10,20 StardandGB3087-2008,ASTM A179,ASTM A192,ASTM SA179,SA192,BS30595. ApplicantHigh pressure seamless steel tube for chemical Fertilizer EguipmentsGrade: ... casing pipe serves as wall of well.3), ASTM A106 For the purpose of the pipeline project of boiler, ... common fluids.5), ASTM A179 For tubed heat exchanger and similar heat conveying equipments6), ASTM A192 For manufacture wall panel,economizer ...