Asme Section Ix Wps Thickness Range

Any electrode diameter sizes can be used in wps t.

Asme section ix wps thickness range.

Same f number and same a number tested in pqr. By date supporting pqr no s welding process es type s revision no. Date joints qw 402 details joint design base metals qw 403 p no. Form qw 482 suggested format for welding procedure specifications wps see qw 200 1 section ix asme boiler and pressure vessel code organization name welding procedure specification no.

2 for wps have to do impact tesct cnv test the range of thickness of base metal qualify. Only filler metal categories with the same f number and same a number te sted in pqr. For outside diameter 25 mm or 1 inch to 73 mm or 2 7 8 inch the minimum outside diameter for which the welder gets qualified is 25 mm or 1 inch and maximum outside diameter which he can weld is unlimited. To 2t 2 x 25 4 50 8mm max.

However if your wps pqr with impact test the range base metal thickness qualified is t or 16mm whichever is less as per qw 403 6. This article helps to specify a range of essential variables non essential variables and supplementary variables while preparation of wps. Range of thickness qualified for test specimen thickness of 19mm to 38mm are 5 mm min. 11 mm wall thickness pipe.

If the outside diameter of the test coupon is more than 73 mm or 2 7 8 inch then the minimum outside diameter for which the welder gets qualified is 73 mm or 2 7 8 inch and maximum outside diameter which he can weld is unlimited. Thickness of test plate or pipe wall in pqr asme section ix table qw 451 1. As per asme section ix wps form is used to specify ranges of these all variables and pqr form is used to record the value of each essential variables non essential variables and supplementary variables. Base metal thickness t.

And it will link to table qw 451 1. See below table for more information. For test specimen thickness 25 4mm t qualified is 16mm to 50 8mm only. For welding procedure qualification asme ix does not regard pipe diameter as an essential variable and thus procedure qualification testing using a particular pipe diameter will qualify pipe of any other diameter.

Also qw 211 states that qualification in plate also qualifies for pipe welding and vice versa.