WPS Development
Where would you find the general requirements for writing a prequalified WPS?
What is
Section 5.2 – General WPS Requirements
Only base metals listed in this table may be used in a prequalified WPS
What is table 5.3
Table 5.1 specifies the maximum or minimum requirements?
What is the Maximum requirements
Clause 5
The minimum preheat for a 2" thick A572 Grade 50 base metal when using E7018 electrodes is?
What is 150 degrees
Clause 5 Table 5.8
False
Table 5.2 (1)
A WPS has been changed. Where would you determine if the change affects prequalification?
What is
Table 5.3 – Essential Variables
For welding processes FCAW, GMAW and SAW the maximum root opening shall not exceed?
What is 1/8"
Clause 5 section 5.4.1.7
The maximum size electrode DIA when using E7018 and welding in the vertical position is?
What is 5/32"
Table 5.1 Max electrode dia-Vertical-SMAW-Note e (E7018) 5,6,8 Low Hydrogren
What is 70 degrees.
Table 5.8- Category D- minimum preheat 32 degrees, down to note A at bottom of table.
The maximum fit up variation for the groove angle on a B-U2-S joint is?
What is 30 degrees
Figure 5.1 (table top left corner) Plus 10 degrees of 20 degree angle during preparation
What table lists the requirements for a prequalified WPS?
what is
Table 5.2 – Prequalified WPS Requirements
True or false:
Does the use of Fit up tolerances in figure 5.2 exempt the user from meeting the minimum weld size requirements?
False
Clause 5 section 5.4.2.7
List four items that must be included on a WPS
What is 1-21
Table 5.2
For A709 Grade HPS70W 1-1/2" thick the maximum preheat and interpass temperature shall not exceed?
What is 450 Degrees
Table 5.8
When prequalified GMAW or FCAW is used what shall be the power supply?
What is constant voltage
Clause 5 Section 5.5.4
All Prequalified WPS shall be prepared by?
Who is the manufacture, Fabricator, or contractor
Clause 5 section 5.2.1
For SMAW- What is the max single pass fillet weld size when using any of the filler metals for group 2 base metals?
What is 1/4"
Clause 5 Section 5.6.2.2
A572 base metal grade 55 falls under which group of approved base metals?
What is group 2
Table 5.3
When welding A500 Grade B base metal 1/8" thick, what shall the minimum preheat be?
What is 70 degrees
Table 5.8 category A 32 Degrees note A at bottom of pg-70 degrees
What is the 3F weld and position?
What is a vertical Fillet weld.
This type of welding procedure requires no testing to be used under D1.1 provided all requirements are met?
What is a prequalified WPS
Shielding gases used for GMAW and FCAW-G shall conform to what specification?
What is A5.32
True or false:
When welding A572 Base metal using SMAW, it is acceptable to use E8015-X
What is false
E8015 is used to weld group 3 base metals
Table 5.4
True or false:
When welding different base metals with different thicknesses, it is acceptable to use the lowest of the specified preheats of the two base metals
What is False,
Must use the highest of the minimum preheats per 5.7.2
The allowable tolerance of amperage when using FCAW is ?
What is plus or minus 10 percent
Table 5.2 (22)