Quality Welding

In Ravi Green the welding processes employed for the fabrication of pressure vessels, piping, structures etc. are SMAW, SAW, GMAW, GTAW and FCAW. All welding is done with qualified & approved welding Procedures by qualified welders and welding operators. Welders are qualified for each welding position, welding process and different materials to be welded. Welding procedures and welders are qualified and got approved from the client before the start of welding.

Other services available at our welding institute are given below:

The Ravi Green Institute of Welding Technology has been qualifying & certifying welders and welding procedures to structural, pressure piping, production of boilers & pressure vessels. Our staff has the expertise and experience to certify welders on all types of ferrous materials. We are supplying welder certifications to individuals and companies. We can supply a turnkey source for your welder certification needs in the field or in our institute. We supply pipe and plate coupons with appropriate backing and bevels. We supply procedures, coupons, certifications and training if needed to qualify your people to AWS, API, ASME and other specs.

Procedure Qualification Record (PQR)

ASME Section IX Welding Procedure Qualification

Tensile Specimens = 02 nos.

Bends Specimens = 04 nos. (Depending upon thickness)

Impact specimens = 09 nos. (Subject to the thickness limitation and requirement of applicable code & standard)

Heat treatment = (subject to the thickness limitation and requirement of applicable code & standard)

Radiograph = 01 at least (depends upon the repairs)

BS 2790 Welding Procedure Qualification

For double sided butt joints

All weld tensile = 01 no.

Hardness Survey = 01 no.

Fillet weld fracture = Nil

Transverse tensile = 01 no.

Macro Examination = 01 no.

Root bend (thick ≤ 10 mm) = 01 no.

Face bend (thick ≤ 10 mm) = 01 no.

Side bend (thick > 10 mm) = 02 no.

Impact test (Class I Boilers only) = 03 nos.

Welder and Welding Operator Performance Qualifications (WPQ and WOPQ)

 

BS, AWS, TRD  &  ASME IX

Testing/Examination = bend test, radiograph, etch and/or beak test etc (Quantity depends upon applicable code or standard)

Procedures available for performance qualifications

SMAW, SAW, GMAW, GTAW, and FCAW – on both plate and pipe.

Welder’s ability:

The Ravi Green Institute of Welding Technology determines and enhances the ability of welders to deposit sound welds in accordance with the standardized requirements.

Customized Welder Training Programs

Welder Training, Upgrading and Testing: We develop custom training and upgrading programs which will deliver the greatest advantages to your operations because they focus on defined objectives to match your facility’s specific scope of work. Welding processes, positions and qualification testing will be selected for their practical application to on-the-job requirements. Training can be held at your site using your equipment or at our training facility. Examples of specialized welder training programs that we have designed and conducted for our clients include:

Flexible and Cost effective: We offer several options for conducting training programs at a reasonable cost. All of our training programs and testing services are completely flexible in length and frequency of sessions.

Pipe Welding with Certification Exam - One month (192 Hours)

SMAW/TIG

This class will prepare an experienced Arc Welder for a 6G position w.r.t. ASME Section IX..

Participants will learn to correctly prepare and weld various sizes of pipe. Using 2", 4" and 6" O.D. schedule 40 pipe with E7018/ER 70 S filler metal. The root pass will be prepared by TIG welding

Gas Metal and Gas Tungsten Arc Aluminum Welding - One month (192 Hours)

GMAW/GTAW(CS)

This course will prepare those with previous welding experience to use both MIG and TIG processes to become successful production welders using CS of varying grades and thickness and the most common weld types. This course will include (192) hours of instruction provided during multiple classes with varying objectives.

Gas Metal Arc Welding -One month (192 Hours)

GMAW

This is an introductory course specifically designed for an individual that has interest in the welding field. During instruction time of (190) hours the student will be educated in the field of understanding the concept of basic welding characteristics with understanding of welding symbols, and other specific modern techniques. The student on completion of this course will understand how to safely manipulate and weld with a MIG welding machine along with the proper operations of a Plasma Torch.

Skill Improvement Welding - One month (192 Hours)

During this training, participants can boost their welding skill in a number of areas or concentrate on improving in one particular process or position. Skills areas to choose from include: Stick, MIG, TIG, Aluminum and multiple position welding.

Maintenance and repair welding.

Tube welding with SMAW/TIG.

Specialty welding of thin metals.

Advanced techniques— pipe or plate.

Stainless steel welding

Welding Essentials for a welder training

In all above mentioned welding training a welder is educated and trained for

Safety & Health of Welders

Striking and Controlling the Arc

The Welder’s Role in Quality Control

Electrode or Wire Selection

Power Sources

Stringer/weave Beads

Distortion Control

Welding positions in Pipe & Plate

Welding Symbols

Welding defects

Preparation for the test samples

Basic welding process technique

Welding unlike materials

Welding Processes

Training Material

All courses include training materials, protective equipment, weld material, consumables and the use of all equipment in the Welding institute.

Welding Courses Available

Welding courses currently available are listed below along with a brief course outline. Customized welding training is available for industry as needed. Scheduled start dates depend on enrollment.

Man Power Supply (Welders & Welding Operators)

 The Ravi Green Institute of Welding Technology also provides qualified & certified welders and welding operators to different clients Welders and welding operators have been qualified  for different welding processes (SMAW, SAW, MIG, TIG,FCAW etc.) in different positions using different CS & SS materials

Contact us for further information

welding@ravigreen.com

mail@ravigreen.com