Table 1 to § 57.03-1(b) -Low Temperature Weld Procedure Qualification Thickness Ranges
Thickness, "t" of test plate or pipe as welded (inches) | Range of thickness of materials qualified by test plate or pipe (inches) | |
Minimum | Maximum | |
1/16 to 3/8, inclusive | 1/16 | 3/8 |
Over 3/8 but less than 3/4 | 1 3/8 | 3/4 |
3/4 to 3, inclusive | 3/4 | 2 t |
1 For thicknesses less than 5/8 inch, the thickness of the test plate or pipe is the minimum thickness qualified.
2 Where "t" is the thickest material over 3/4 inch to be used in production.
46 C.F.R. §§57.03-1