Heat input for rods min/max
Heat input for rods min/max
(OP)
When a manufacturer posts guidelines for volts/amps/travel for their rod? Are they suggested min/max heat input or just where the optimal performance is? .e.g h ttp://prod ucts.esab. com/Templa tes/T041.a sp?id=2464





RE: Heat input for rods min/max
This is only a guideline and you would need to qualify a welding procedure to determine the actual volt/amp range for your particular application.
RE: Heat input for rods min/max
In the "specifications" page of the link you have provided you can see that it is suggested a certain voltage and a range of current.
Optimal welding parameters (not only electrical, but also travel speed, type of bead, welding position, ...) are related to many factors and can hardly be summarized in a catalog.
The "typical mecanichal properties" as shown in catalogs are generally reached in optimal condition: flat position, string bead, optimal electrical parameters, controlled heat input, ...
As general rule heat input should be kept as low as possible.
RE: Heat input for rods min/max
I see no AWS designation, so I assume it does not meet any. It mentions "low alloy" and "no stress relieving" : a welding engr hates to see those two in the same sentence. I assume this rod produces a high strength weld metal : Do you need that ?
Lincoln marketed HYP (high yield pipe) electrodes (No AWS designation for years, eventually they called it E8010 G), this electrode caused many problems because the weldors loved to use it (where it should not have been used).
Why aren't you using MIG ? Flux core, gas shielded -whatever.
RE: Heat input for rods min/max
RE: Heat input for rods min/max
Actually, I am actually working with 7018 rod. Spec sheet given as an example. Thanks.
RE: Heat input for rods min/max
7018 is commonly used in refineries : as I remember it often contained a little alloy ,like suffix G or A1.