square groove weld

What is Square Groove Weld? A square groove weld refers to a specific type of weld joint configuration where two metal pieces are joined together by creating a square-shaped groove at the joint. The groove …

square-groove-welding-symbol

What is Square Groove Weld?

A square groove weld refers to a specific type of weld joint configuration where two metal pieces are joined together by creating a square-shaped groove at the joint.

The groove is typically prepared by machining, grinding, or cutting the edges of the metal pieces to form a precise right-angle groove with square corners, i.e., without any bevel angle preparation on welding members to be joined as shown in the below figure.

Left to right:

  1. Square Groove Weld without Backing,
  2. Square Groove Weld with Backing.
square-groove-welding-symbol

Advantages of Square Groove Weld

The main Advantages of Square Groove Weld are:

  • Provides a larger weld area for increased strength and load-bearing capacity.
  • Offers improved penetration and fusion between the metal pieces.
  • Enhances joint integrity and structural stability.
  • Suitable for applications requiring high strength and resistance to heavy loads.
  • Allows for efficient transfer of welding heat, resulting in a robust weld.
  • Can be used in various welding processes, such as SMAW, GMAW, and FCAW.
  • Provides a clean and visually appealing joint configuration.
  • Offers versatility for welding different types of metals and thicknesses.
See also  What is Weld Buildup?

Square Groove Weld Symbol

The square groove weld symbol is a graphical representation used in welding blueprints or drawings to indicate the specific joint configuration and welding requirements for a square groove weld.


Kumar is a highly experienced welding professional and author known for his expertise in welding symbols. With certifications including IWE, AWS-CWI, and ASNT NDT Level III.