铝及铝合金焊丝Aluminium&AluminiumAlloyweldingwires标准ClassificationGB/T10858-2008AWSA5.10····ER5183焊材化学成分指标%Typicalcompositionin%Si···················＜0.40Fe···················＜0.40Cu···················＜0.10Mn·················0.05—1.00Mg·················4.30—5.20Cr·················0.05—0.25Zn··················＜0.25Be··················＜0.0003Ti··················＜0.15其余Others··············＜0.05其余总和OthersTotal·········＜0.15物理性能指标Physicalproperties(Approx.Values)屈服极限0.2%yieldstrengthRpo2(Mpa)····125拉伸强度TensileStrengthRm(Mpa)·····275延伸率ElongationA5(L0=5d0)(%)······17试验温度TestTemperature(℃）······20性能特点及用途Performance&Usage本品为含镁4.5%的铝合金焊丝，适用于焊接或表面堆焊同等级别的铝合金材料。应用于化工压力容器、核工业、造船、制冷行业、锅炉、航空航天工业等。ThistypeofproductiswidelyusedingeneralweldingmaterialwiththeMgof4.5%,whichcanbeusedinjointingoroverlayforgingandcastingalloysprocessinginthesamegrade.Usage：pressurevessel,nuclear,ship-building,boiler,spaceindustry,etc.保护气体Shieldinggas焊接***气、氮气、或***气—氮气混合气体Argon,Helium,orArgon/Helium—mixtures.规格ΦDimensi***Φ盘装焊丝MIG—wires(mm)：0.8;0.9;1.0;1.2;1.6;2.0;2.4直条焊丝TIG—rods（mm)：1.6;2.0;2.4;3.2;4.0;5.0;6.0焊丝的包装WirePackagings盘装焊丝(MigWires)：S100/0.5kg1Lb,S200/2kg,S270-S300/6kg-7kg直条焊丝(TigRod)：5/10kg·······长度length：1000mm)