Download qw-482 suggested format for welding procedure

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
QW-482 SUGGESTED FORMAT FOR WELDING PROCEDURE SPECIFICATION (WPS)
(See QW-201.1, Section IX, ASME Boiler and Pressure Vessel Code)
Company Name
By:
Welding Procedure Specification No.
Date:
Supporting PQR No.(s)
Revision No.
Date
Welding Process(es)
SMAW
Type (s)
JOINTS (QW-402)
Joint Design
See permitted figures (right) or per constr. dwg
Root Spacing
Backing (Yes)
Yes (No) Yes
Backing Material (Type)
Material or Weld Metal
Manual
Details
BUTT JOINT
(refer to both backing and retainers)
Metal
Nonmetalic
Nonfusing Metal
Other
FIG A (BUTT JOINT)
FIG B (CORNER JOINT)
FIG C (EDGE JOINT)
Sketches, Production Drawings, Weld Symbols or Written Description
should show the general arrangement of the parts to be welded. Where
applicable, the root spacing and the details of weld groove may be
specified.
FIG D (LAP JOINT)
(At the option of the Mfgr., sketches may be attached to illustrate joint
design, weld layers and bead sequence, e.g., for notch toughness procdures, for multiple process procedures etc.)
FIG E (TEE JOINT)
Other (Describe)
Figure A
*BASE METALS (QW-403)
P-No.
Figure B
Group No.
Figure C
Figure D
to P-No.
Group No.
OR
Specification type and grade
to Specification type and grade
OR
Chem. Analysis and Mech. Prop.
to Chem. Analysis and Mech. Prop.
Thickness Range:
Base Metal:
Other
Groove
Maximum Pass Thickness 1/2 inch (13 mm)
Fillet
(Yes)
(No)
*FILLER METALS (QW-404)
Spec. No. (SFA)
AWS No. (Class)
F-No.
A-No.
Size of Filler Metals
Filler Metal Product Form
Supplemental Filler Metal
Weld Metal
Thickness Range:
Groove
Fillet
Electrode-Flux (Class)
Flux Trade Name
Consumable Insert
Other
*Each base metal-filler metal combination should be recorded individually.
Figure E
QW-482 (Back)
WPS No.
POSITIONS (QW-405)
Position(s) of Groove
Welding Progression:
Position(s) of Fillet
Rev
POST WELD HEAT TREATMENT (QW-407)
Up
Temperature Range
Time Range
Down
PREHEAT (QW-406)
Preheat Temp. Min.
Interpass Temp. Max.
Preheat Maintenance
(Continuous or special heating where applicable should be recorded)
GAS (QW-408) Percent Composition
Gas(es)
(Mixture)
Shielding
Trailing
Backing
Flow Rate
ELECTRICAL CHARACTERISTICS (QW-409)
Current AC or DC
Polarity
Amps (Range)
Volts (Range)
(Amperage and voltage range should be recorded for each electrode size,
position, and thickness, etc. This information may be listed in a tabular
form similar to that shown to the right or below.)
Tungsten Electrode Size and Type
(Pure Tungsten, 2% Thoriated, etc.)
Mode of Metal Transfer for GMAW
(Spray arc, short circuiting arc, etc.)
Electrode Wire feed speed range
TECHNIQUE (QW-410)
String or Weave Bead
Orifice or Gas Cup Size
Initial and Interpass Cleaning (Brushing, Grinding, etc.)
String or Weave
Brushing, grinding, chipping
Method of Back Gouging
Grinding
Oscillation
Contact Tube to Work Distance
Multiple or Single Pass (per side)
Multiple
Multiple or Single Electrodes
Multiple
Travel Speed (Range)
Peening
Other
No Single Pass To Exceed 1/2" In Thickness Pulsed Power Supply not permitted
Flux is not to be added to the face of the joint
Filler Metal
Weld
Layer(s) or
Pass (es)
Process
Classification
Diameter.
Current
Type and
Polarity
Amperage
Range
Voltage
Range
Travel
Speed
Range
Other
(e.g., Remarks, Comments, Hot Wire
Addition, Technique,
Torch Angle, Etc.)