不锈钢焊丝相当：AWSA5.9ER309

Inaccordancewith：YBT5092H12Cr24Ni13Si

Beequivalentto：AWSA5.9ER309

ISO14343-A-G2212H

说明：ER309焊丝主要成分是22Cr-12Ni。配用SJ601不锈钢碱性烧结焊剂，其焊缝金属具有良好的力学性能，抗裂性能、抗晶间腐蚀性能，具有不增Si、不增C，且Cr、Ni烧损小等特点。因合金含量高，耐高温性良好。

用途：常用于碳钢与不锈钢异种材料焊接或应用于韧性较差的马氏体、珠光体不锈钢焊接。如石油化工、火力发电站等行业。

Instructions：TheER309weldingstickconsistsmainlyof22Cr-12Ni.ItcoordinateswiththestainlesssteelalkalinesinteredfluxSJ601.It’sweldinglinemetalhasgoodmechanicalpropertiesandresistanceabilitytointergranularcorrosionandcrack.ItwouldnotincreaseSiorCandwouldburnlittleCrandNi.Duetoahighcontentofalloy,ithasgoodhighthermalresistanceability.

Use：It’susuallyusedtoweldcarbonsteelandstainlessdissimilarmaterials,sometimestoweldmartensiteandpearlitesteelwithpoortoughness,inpetrochemicalindustry,firepowerstationandotherindustries.

焊丝化学成分（%）