Post weld heat treatment is the most widely used form of stress relieving on completion of fabrication of welded structures. The principle is that as the temperature is raised, the yield stress andthe elastic modulus of the material fall. A point is reached when the yield stress no longer supports the residual stresses and some localised plastic deformation occurs.

All our flexible ceramic pad heaters for PWHT are constructed of 80/20 Nickel/Chrome multi strand wire, insulated with interlocking sintered 95% alumina pink ceramic beads, nickel cold tail wire, and two Male Camlocks.

also we can make according to your requirement