Welder Qualification Test in Bangalore, Hosur & Mysore. WPS, PQR & WPQ Certification. Onsite Services.

A welder qualification test (WQT), also called welder performance qualification (WPQ), is a documented test that proves a welder can produce sound welds to a specific code and welding procedure. The welder welds a test coupon under witness, and the coupon is examined by visual inspection, radiography or ultrasonic testing, and bend or macro tests as the code requires. A pass produces a certificate or record showing what the welder is qualified to weld.

Qualification is the test itself: a welder demonstrates skill to a code such as ASME Section IX or AWS D1.1, usually for a specific employer. Certification is the written record or scheme certificate that documents the result and its range. In practice the terms are often used interchangeably, but under ASME and AWS the qualifying organization is normally the employer, while ISO 9606-1 certificates are issued by an examiner or examining body.

A WPS (Welding Procedure Specification) is the approved shop-floor instruction listing welding variables and their ranges. A PQR (Procedure Qualification Record) records the actual values and test results of the procedure test weld that supports the WPS. A WPQ (Welder Performance Qualification) proves that a specific welder can weld to that WPS. The sequence is pWPS, then PQR, then WPS, then welder qualification.

Your client’s contract or specification decides. ASME Section IX is used for boilers, pressure vessels and process piping. AWS D1.1 covers structural steel. ISO 9606-1 is common for European-linked work such as EN 1090 and EN 15085. API 1104 applies to pipelines and IS 7310 to Indian approvals. If no code is specified, we recommend the latest edition of ASME Section IX and confirm it with you before testing.

Welder qualification tests at Trinity NDT start from ₹4,500. The final cost depends on the code, welding process, material and thickness, pipe size and position, number of welders, the NDT and mechanical tests required, and whether testing is at your workshop or at our Peenya centre. Send the code and material details on WhatsApp and we will send a quotation.

Reports are typically issued within 7 days of the date our engineer witnesses the welding, although material, code and testing requirements can change this. We can usually mobilise a qualification programme within a week of enquiry confirmation.

It depends on the code. Under ASME Section IX, a qualification for a process stays valid while the welder has used that process within the last six months (QW-322), and a lapsed qualification can be renewed with a single test coupon. AWS D1.1 follows a similar continuity principle. ISO 9606-1 certificates are valid for three years if the employer confirms them every six months, after which they must be prolonged on documented evidence or the welder retested.

Under ASME Section IX QW-322, a welder’s qualification for a welding process expires if the welder has not used that process for six months or more. Using the process within the six-month window extends the qualification for a further six months, and the employer must document it. If it has lapsed, it can be renewed by welding one test coupon in that process.

Every coupon is visually examined first. Butt-weld coupons are then examined by radiography or ultrasonic testing, or by guided bend tests where the code permits. Fillet-weld coupons are usually fracture or macro tested. Depending on the code and material, penetrant or magnetic particle testing and other mechanical tests may be added. Our NABL-accredited NDT laboratory performs these tests on the same campus.

Test in the position closest to production welding. Under ASME Section IX, a 6G test on pipe above 73 mm (2⅞ in.) outside diameter qualifies groove welds in all positions on plate and pipe, plus fillet and tack welds, which is why 6G is the most requested pipe test. Other essential variables such as process, filler metal and thickness still limit the range.

Yes. Welding and witnessing are usually done at the customer’s workshop in Bangalore, Mysuru, Hosur or elsewhere in India. If your facility is not suitable, welders can test at our Centre of Excellence in Welding in Peenya, Bangalore, for an additional facility charge.

Acceptance depends on your client, inspector and the construction code. Many codes allow the employer to use an outside firm to witness, test and document the qualification, but some fluid-service or project specifications require the employer’s own supervision. Tell us who will review the records when you enquire and we will align the documents with their requirements.

Most codes permit a retest, and some require extra coupons or additional practice first. The code you are testing to sets the exact conditions. Common causes of failure are lack of fusion, porosity, slag inclusions, undercut and incomplete root penetration. We can train welders at our institute and fine-tune them for radiography-quality welds before they retest.

Yes. We prepare the preliminary WPS to your code, witness the test welding, arrange NDT and mechanical tests (tensile, bend, impact, hardness, macro), evaluate the results, and issue the PQR and the approved WPS. We can also review or revise an existing WPS/PQR library for ASME Section IX, AWS D1.1 or EN ISO 15614.

We qualify welders and procedures for carbon and low-alloy steel, stainless steel, aluminium, copper and copper alloys and titanium, using processes such as SMAW, GTAW (TIG), GMAW (MIG/MAG), FCAW and PAW. Tell us the material grade, thickness and code and we will confirm the test plan.

Brazer qualification tests a brazer or brazing operator’s ability to make sound brazed joints to a Brazing Procedure Specification (BPS). It is done to standards such as ASME Section IX (brazing) and ISO 13585, with procedures approved under EN 13134. A brazer holds the heating device by hand; a brazing operator sets up and runs the equipment. We qualify both, including copper brazing.

Yes. We qualify welders and welding procedures to IBR 1950 requirements for boiler and steam-piping work, and Trinity NDT is a recognised material testing laboratory under the Indian Boiler Regulations. The role of the IBR inspecting authority in witnessing and endorsement depends on the job, so please share the IBR requirement when you enquire.

Send the applicable code and edition, welding process, base material grade and thickness, pipe diameter, welding positions, filler metal, number of welders and any client or third-party inspector requirements. A drawing or existing WPS helps. We email a short questionnaire, prepare a quotation and confirm the witnessing date after your purchase order.

Yes. Our Centre of Excellence in Welding trains welders in SMAW, GTAW (TIG), GMAW (MIG/CO2) and FCAW on modern Fronius machines, up to 6G pipe positions. Practice welds can be X-ray tested in our NDT lab, and trained welders can take a qualification test at the end of the course.

Yes. We serve Bangalore, Mysuru, Hosur and locations across India, including Andhra Pradesh and Telangana. Our engineers travel to your workshop to witness welding, and coupons are tested at our Peenya laboratory.