不锈钢分类及特点

中国日本美国英国德国法国前苏联特点GB1220-9284 GB3220-9284JISAISI UNSBS 970 Part4 BS 1449 Part2DIN 17440 DIN 17224NFA35-572 NFA35-576582 NFA35-584TOCT56321Cr17Mn6Ni5NSUS201201-奥氏体不锈钢。Mn和N替代少量的Ni1Cr18Mn8Ni5NSUS202202-1217.T9AH4奥氏体不锈钢。比201含有更高的Mn-S20200284S16-2Cr13Mn9Ni4-1Cr17Ni7SUS301301-奥氏体不锈钢。较低的Ni和Cr，以增加冷作硬化能力-S30100301S21X12CrNi177Z12CN17.07-1Cr17Ni8SUS301J1-X12CrNi177-1Cr18Ni9SUS302302302S25X12CrNi188Z10CN18.091218H9奥氏体不锈钢。一般用途的18-8型不锈钢1Cr18Ni9Si3SUS302B302B-奥氏体不锈钢。Y1Cr18Ni9SUS303303303S21X12CrNiS188Z10CNF18.09-奥氏体不锈钢。Y1Cr18Ni9SeSUS303Se303Se303S41-奥氏体不锈钢。用Se改善切削加工表面0Cr18Ni9SUS304304304S15X2CrNi89Z6CN18.090818B10奥氏体不锈钢。常用的18-8型不锈钢，碳含量比302低00Cr19Ni10SUS304L304L304S12X2CrNi189Z2CN18.090318H11奥氏体不锈钢。低碳304(C0.03%)，为了改善腐蚀抗力0Cr19Ni9NSUS304N1304N-Z5CN18.09A2-奥氏体不锈钢。加入N，提高强度00Cr19Ni10NbNSUS304NXM21-00Cr18Ni10NSUS304LN-X2CrNiN1810Z2CN18.10N1Cr18Ni12SUS305S30500305S19X5CrNi1911Z8CN18.121218H12T0Cr20Ni10SUS308308-奥氏体不锈钢。高Cr高Ni，为了可焊性0Cr23Ni13SUS309S309S-奥氏体不锈钢。低碳3090Cr25Ni20SUS310S310S-奥氏体不锈钢。低碳3100Cr17Ni12Mo2NSUS315N316N,S31651-奥氏体不锈钢。0Cr17Ni12Mo2SUS316316316S16X5CrNiMo1812Z6CND17.120817H12M2T奥氏体不锈钢。加入Mo，为了改善耐蚀性00Cr17Ni14Mo2SUS316L316L316S12X2CrNiMo1812Z2CND17.120317H12M2奥氏体不锈钢。低碳0Cr17Ni12Mo2NSUS316N316N-奥氏体不锈钢。低碳，高N为了强度00Cr17Ni13Mo2NSUS316LN-X2CrNiMoN1812Z2CND17.12N-奥氏体不锈钢。低碳，高N为了强度0Cr18Ni12Mo2T-320S17X10CrNiMo1810Z6CND17.12-0Cr18Ni14Mo2Cu2SUS316J1-00Cr18Ni14Mo2Cu2SUS316J1L-0Cr18Ni12Mo3Ti-1Cr18Ni12Mo3Ti-0Cr19Ni13Mo3SUS317317317S16-08X17H15M3T奥氏体不锈钢。高Cr高Mn，为改善耐蚀性00Cr19Ni13Mo3SUS317L317L317S12X2CrNiMo1816-03X16H15M3奥氏体不锈钢。低碳317，为了改善可焊性0Cr18Ni16Mo5SUS317J1-0Cr18Ni11TiSUS321321-X10CrNiTi189Z6CNT18.1008X18H10T奥氏体不锈钢。加入Ti，减少Cr的碳化物析出1Cr18Ni9Ti-12X18H20T0Cr18Ni11NbSUS347347347S17X10CrNiNb189Z6CNNb18.1008X18H12B奥氏体不锈钢。0Cr18Ni13Si4SUSXM15J1XM15-0Cr18Ni9Cu3SUSXM7XM7-Z6CNU18.10-1Cr18Mn10NiMo3N-1Cr18Ni12Mo2Ti-320S17X10CrNiMoTi1810Z8CND17.12-00Cr18Ni5Mo3Si2-S31500-3RE60(瑞典)-0Cr26Ni5Mo2SUS329J1-1Cr18Ni11Si4AlTi-1Cr21Ni5Ti-0Cr13SUS410SS41000-X7Cr13Z6C1308X131Cr13SUS410410410S21X10Cr13Z12Cr1312X13一般用途马氏体不锈钢2Cr13SUS420J1420420S29X20Cr13Z20Cr1330X13马氏体不锈钢。高碳，为增加强度-S4200420S27-3Cr13SUS420J2-420S45-14X17H23Cr13Mo-3Cr16SUS429J1-1Cr17Ni2SUS431431431S29X22CrNi17Z15CN-02-马氏体不锈钢。高Cr，加入Ni为了改善耐蚀性7Cr17SUS440A440A-马氏体不锈钢。高C为增加强度11Cr17SUS440C440C-95X18马氏体不锈钢。最高的Cr，最高的C，为了增加硬度和韧性8Cr17SUS440B44013-1Cr12-4Cr13SUS420J2-X4DCr13Z40C13-9Cr18SUS440C440C-X105CrMo17Z100CD17-马氏体不锈钢。最高的Cr，最高的C，为了增加硬度和韧性9Cr18MoSUS440C440C-马氏体不锈钢。最高的Cr，最高的C，为了增加硬度和韧性9Cr18MoVSUS440B440B-X90CrMoV18Z6CN17.12-马氏体不锈钢。最高的Cr，最高的C，为了增加硬度和韧性0Cr17Ni4Cu4NbSUS630630-沉淀硬化不锈钢。马氏体型，加入Cu和Nb0Cr17Ni7AlSUS631631-09X17H710沉淀硬化不锈钢。奥氏体型，加入Al-S17700-X7CrNiAl177Z8CNA17.7-0Cr15Ni7Mo2Al-632-S15700-Z8CND15.7-00Cr12SUS410-0Cr13Al 00Cr13AlSUS405405-铁素体不锈钢。低Cr，加有Al-S40500405S17X7CrAl13Z6CA13-1Cr15SUS429429-铁素体不锈钢。1Cr17SUS430430-12X17一般用途铁素体不锈钢。-S43000430S15X8Cr17Z8C17-Y1Cr17SUS430F430F-铁素体不锈钢。含有较高的S和P，已切削-S43020-X12CrMoS17Z10CF17-00Cr17SUS430LX-1Cr17MoSUS434434-铁素体不锈钢。加入Mo为改善耐蚀性-S43400434S19X6CrMo17Z8CD17.01-00Cr17MoSUS436L-00Cr18Mo2SUS444-00Cr27MoSUSXM2