CLASSIFICATION : AWS : SFA/A 5.2 R 45
CHARACTERISTICS :
R 45, A general purpose Copper coated welding rods are used for the oxyfuel gas welding of carbon steels, rods have a low carbon steel composition.
APPLICATION :
where the minimum tensile strength requirement of the steel does not exceed 300 N/mm2.
SHIELDING GAS :
ox fuel gas
CHEMICAL COMPOSITION % (solid rod chemistry)
C | Mn | Si | S | P | Cu |
0.080 max. | 0.50 Max. | 0.10 Max. | 0.040 Max | 0.035 Max | 0.30 Max. |
ALL WELD MECHANICAL PROPERTIES (under Oxyfuel Gas shield)
YS(N/mm²) | UTS(N/mm²) | EL % | CHARPY “V” NOTCHIMPACT AT |
270 Min. | 300 Min. | 22.0 Min. | 0°C : 27 J Min |
DIEMENSION & PACKING DATA
Size(mm) | Size(inch) | Length(mm) | Length(inch) | Tube packing 5 kg | Box packing 20 kg |
1.60 | 1/ 16” | 1000 | 36” | √ | √ |
2.0 | 5/ 64” | 1000 | 36” | √ | √ |
2.4/ 2.5 | 3/ 32” | 1000 | 36” | √ | √ |
3.2 | 1/ 8” | 1000 | 36” | √ | √ |
4.0 | 5/ 32” | 1000 | 36” | √ | √ |