5.5mm rod Dia 5.5mm,6.5mm Grade H08A,Er50-6E Standard GB,JIS,ASTM,DIN,AISI,BS LF & VD forge ... arc welding and so on. The main grade are H08A,ER50-6(E),H08Mn2SiA,H08MnA and so on. With million ... special soldering wire are developed one after another, such as ER50-C,ER50-G,EH14 and EM12K. GradeDia(mm)StandardChemical Composition % ... 0.030≤0.030≤0.30≤0.20≤0.20ER50-6E 0.06-0.090.80-0.951.40-1. ...