01The Vise Before the Arc
Fit-up, tacking, grinding the root face and cleaning spatter all happen before the torch fires. An 8″ heavy-duty bench vise is big enough for most welded assemblies, heavy enough to absorb hammering, and stays put while you work a grinding wheel against the frame.
The broader role of a vise in metalwork is covered in what a bench vise is used for.
02Heat and Body Material
Spatter and welding heat reach the vise body occasionally. Gray cast iron handles it without much concern; forged steel absorbs impacts better if hammering is frequent. The comparison is covered in cast iron vs. forged steel and the body materials library.
03Holding Round and Structural Sections
Weldments often involve pipe, round bar and structural sections. A vise with pipe jaws centers the work; a heavy-duty swivel base lets you angle the piece without unclamping — saving time on every joint.
04What This Does to the Vise
Welding prep is abrasive: grinding dust, spatter and repeated hammer blows all wear on the jaws. Replaceable jaws and a little maintenance keep the vise functional. The jaw materials article explains why hardened inserts outlast the rest.
05Choosing for Welding Work
Welding work rewards mass and rigidity. The choosing guide covers the trade-offs; for a product range the OEM team supplies the heavy platform with the finish your market needs.