Full penetration weld symbols

Laminations Led to Incident. In the case of melt-thru, the root is to be reinforced with weld metal on the back side of the joint. How to Destroy a Boiler -- Part 3. A Useful System or Undecipherable Hieroglyphics? Sign Up for Miller eNewsletters To activate your FREE subscription today, simply select which newsletter s you would like to receive and complete the form below. Welding Consideration for Pressure Relief Valves.

If the depth of the V is not the full thickness--or half the thickness in the case of a double V--the depth is given to the left of the weld symbol. This reduces both the amount of filler metal required to fill the joint and the welding time. Angle and depth of edge treatment, effective throat, and separation at the root are described using the methods discussed in the V-groove section above.