309S большого диаметра бесшовных стальных труб из нержавеющей

Specification: 1.type: duplex and austenitic only 2.progress method:cold drawn,cold pilgered 3.surface finish:annealed, cold pilgered,manual polished,mechanical polished 4.sizes: a)OD:6-830MM b)WT:0.5-45MM c)length(max.):17mm d)we also produce other specifications according to customers'requirements 5.materials:TP304,TP304L.TP310/S,TP316L,TP316/316L,321,200,310S,201,304, 6.intenal technical standards implemented:GB/T 14975-2002,GB/T14976-2002,GB13296-91 7.foreign standards implemented(partial):JIS G 3463,JIS 3448,JIS 3459,DIN2462 8.applications: a) general service industries(petroleum,food,chemical,paper, fertilizer,fabric,aviation and nuclear) b) fluid,gas and oil transport c) pressure and heat transmission d) construction and ornament e)boiler heat exchangers 9.OEM services are available