AWS R45

Description and Applications
HR45 is an electrode used for gas (oxygen-acetylene) welding for mild steels. The electrode is coated with copper to avoid rusting. It is applied in welding steels, which are used for general constructions.
 
 
Typical Chemical Composition of Weld Metal(%)
C Si Mn P S Cr Al
0.07 0.02 0.45 0.010 0.010 0.05 0.002
 
 
Size of Wire
Diameter (mm)
 1.6 2.0 2.6 3.2 4.0 5.0
Length (mm) 1000 1000 1000 1000 1000 1000