E321LT1-1不锈钢药芯焊丝不锈钢焊丝。E321LT1-1不锈钢药芯焊丝不锈钢焊丝E***1不锈钢药芯焊丝品名AWSA5.9-93GB/T17854-99熔敷金属化学成份例TIGMIGCSiMnCrNiMo其它A302ER302H1Cr18Ni90.100.651.7217.59.3-A304ER304H0Cr18Ni90.0720.5518.509.30A307ER3070.0700.473.9520.409.65A307SiER307Si0.0800.826.8518.878.320.27A308ER308H0Cr21Ni100.030.341.8220.139.50A308LER308LH00Cr21Ni100.020.421.6520.1010.33A309ER309H1Cr24Ni130.0831.6323.8313.13A309LER309LH00Cr24Ni130.391.9823.8812.90A309LSiER309LSi)