321不銹鋼管也稱不銹鋼無縫管,是用鋼錠或?qū)嵭墓芘鹘?jīng)穿孔制成毛管,然后經(jīng)熱軋、冷軋或冷撥制成。無縫不銹鋼管的規(guī)格用外徑*壁厚毫米數(shù)表示。
321不銹鋼管廠家品牌主要有:山西太鋼不銹鋼集團(tuán)、上海上上不銹鋼集團(tuán)、浙江寶豐鋼管集團(tuán)等。
321不銹鋼管主要用于:鍋爐,*空調(diào),鋼結(jié)構(gòu),機(jī)械加工,管道燃?xì)?,消防石油化工,印染設(shè)備,制糖設(shè)備,啤酒管道,熱交換器,醫(yī)療器材,水處理設(shè)備,廚具,汽車配件,供水等行業(yè)等等。
不銹鋼管材質(zhì)牌號:
前為中國GB牌號,括號內(nèi)為美國ASTM牌號,(/)表示無對應(yīng)牌號。
1Cr17Mn6Ni5N(201),1Cr18Mn8Ni5N(202),1Cr17Ni7(301) ,
1Cr18Ni9(302),Y1Cr18Ni9(303)Y1Cr18Ni9Se(303Se),
0Cr19Ni9、0Cr18Ni9 (304),0Cr19Ni10、0Cr18Ni10(304L),0Cr19Ni9N(304N1),
0Cr19Ni10NbN(304N2),0Cr18Ni10N(304LN),1Cr18Ni12、1Cr18Ni12Ti(305),
0Cr23Ni13(309S),0Cr25Ni20、0Cr25Ni20Si2(310S),0Cr17Ni12Mo2(316),
0Cr18Ni12Mo2Ti(/)00Cr17Ni14Mo2(316L),0Cr17Ni12Mo2N(316N),00Cr17Ni13Mo2N(316LN),0Cr18Ni12Mo2Cu2(316J1),00Cr18Ni14Mo2Cu2(316J1L),0Cr19Ni13Mo3(317),
1Cr18Ni12Mo3Ti(/),0Cr18Ni12Mo3Ti(/),00Cr19Ni13Mo3、00Cr17Ni14Mo3 (317L),
0Cr18Ni16Mo5(317J1),1Cr18Ni9Ti(321),0Cr18Ni11Ti、0Cr18Ni9Ti(321L),
0Cr18Ni11Nb(347),0Cr18Ni9TiCu3(XM7),0Cr18Ni13Si4(XM15J1)