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Alloy Type:

R45 is a general purpose, copper coated, oxy-acetylene gas welding rod used for welding low carbon steels up to ¼” thick.  It is a great selection when ductility and machinability are most important.  You do not need a flux when welding with this product.  A neutral flame should be used.


Typical Applications:  steel sheets and plates, pipes and castings, structural shapes






AWS Class: R45 Certification: AWS A5.2/A5.2M:2007
Alloy:  RG45 ASME SFA A5.2


Tensile Strength, kpsi: *NS
Yield Strength, kpsi: *NS
Elongation in 2” (%):  *NS


*Not Specified


Typical Wire Chemistry as per AWS A5.2 (single values are maximum)

C Mn Si P S Cu Cr Ni Mo Al
0.08 0.50 0.10 0.035 0.040 0.30 0.20 0.30 0.20 0.02



Diameter Process
in (mm)
1/16 (1.6) OAW
3/32 (2.4) OAW
1/8 (3.2) OAW
5/32 (4.0) OAW
3/16 (4.8) OAW


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