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ER309符合：YBT5092H12Cr24Ni13Si 不锈钢焊丝相当：AWSA5.9ER309Inaccordancewith：YBT5092H12Cr24Ni13SiBeequivalentto：AWSA5.9ER309ISO14343-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（%）项目CMnSiCrNiMoPSCu保证值≤0.121.00~2.500.30~0.6523.00~25.0012.00~14.00≤0.75≤0.030≤0.030≤0.75例值0.0811.610.4023.8513.150.230.0120.0130.23参考电流（
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