Mathey Dearman SFE Pipefitter's Square
General Information
- The Stainless Steel Pipefitter’s Square from Mathey Dearman is a precision Square designed specifically for pipefitters, boilermakers, welders and layout persons 
- After becoming familiar with the scales and tables of the Square, many complex fit-up problems are easily solved - Features
- Check the squareness of one surface to another 
- Find pipe center line 
- Determine the flange bolt length and diameter 
- Find the number of bolt holes in a flange 
- Measure center-to-end dimensions of pipe elbows and tees 
- Find the through-hub length of a flange 
- Determine the outside diameter of a weld neck flange 
- Determine arc length for a given radius 
- Measure angles off horizontal or vertical plane with level 
- Measure in 12ths or 16ths of an inch 
- Solve triangles or offsets 
- Find decimal equivalents 
- Layout a variety of weld joint configurations 

 
             
                
 
                 
             
             
            