What is ASME IX in welding?
asme section 9 is also called section IX. it is the qualification for welders for pressure pipe and vessels. it covers both brazing and welding and it is pretty much the industry standard for testing of pipe welders for power plants and such.
How do you qualify as per ASME Section IX welder?
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.
What is ASME standard for welding?
ASME section IX is a part of the ASME boiler pressure vessel code that contains the rules for qualifying welding procedures and welders. It is also used to qualify welders and procedures for welding to ASME B31.
What is the latest edition of ASME IX?
BPVC-IX – 2021.
What is main difference between EN and ASME welding procedures?
ASME B31.1 – EN13941 main differences 1 are for pipe above ground and EN 13941 are for directly buried pipes. ASME B31. 1 cover pressure pipes and other components for heat stations etc.
What is thickness range?
NOTE:- All dimensions in MM.
| PROCEDURE (WPS) QUALIFICATION THICKNESS RANGE | ||
|---|---|---|
| Thickness (T) of test coupon welded (MM) | Thickness (T) range of base metal, qualified (MM) NOTE 1 NOTE 2 | Maximum thickness, (t) of deposit weld metal, qualified (MM) |
| 1. Below 1.5 | T | 2t |
| 2. 1.5 to 10 | 1.5 | 2t |
| 3. Over 10 but less than 19 | 5 | 2t |
What is AWS and ASME?
The difference between ASME and AWS is that ASME is for welding procedure and welder qualification. AWS is for both welder and welding procedure qualification including inspection, erection and fabrication. Contracts may specify one or the other code.
What is the full form of ASME?
The American Society Of Mechanical Engineers.
What are the different sections of ASME Code?
Code Sections – List of ASME BPVC Sections
- Section I – Rules for Construction of Power Boilers.
- Section II – Materials.
- Section III – Rules for Construction of Nuclear Facility Components.
- Section IV – Rules for Construction of Heating Boilers.
- Section V – Nondestructive Examination.
What is ASME sec IX-Welding Procedure Specification?
ASME SEC IX – Welding Procedure and performance qualification Dr G Ravichandran Sr Manager, WRI, BHEL, Trichy f Welding Procedure Specification It is a written document that provides direction to the welder for making production welds in accordance with code requirements. Any WPS must be qualified by the manufacturer.
Which position also qualifies for initial qualification pipe welding?
Vertical position also qualifies for flat, horizontal or vertical. f Tests for Initial Qualification Pipe welding in the following positions (i) Horizontally rolled (ii) Horizontal turned (iii) Vertical fixed (iv) Horizontal fixed. Qualification in (ii) or (iii) also qualifies (i). Qualification in (iv) also qualifies (i) or (ii).
What is the size of pipe welding?
Qualification in (iv) also qualifies (i) or (ii). Branch to pipe welding Pipe size 127 OD x 10 tk. Tube 89 OD x 6 tk. Tube welding with axis vertical and tubes of same size fixed in adjoining positions. f Tests for Requalification • No theoretical examination • Plate welding 152 length x 229 x 16 tk in 45 deg position.
What qualifies as a fillet weld?
Vertical or horizontal position also qualifies for all • Fillet weld in plate – 16 x 381 mm min in flat, horizontal, vertical or overhead. Horizontal or vertical also qualifies for flat.