API 510 API 510 Welding Procedures and Qualifications

Question 1

According to API 510 and ASME Section IX, who is responsible for qualifying welding procedures used in pressure vessel repair?

Accepted Answer

The owner/operator or their contractor

Answer

API 510 requires that the owner/operator or their authorized repair contractor qualify and certify all welding procedures per ASME Section IX.

Question 2

What document records the specific variables tested during welding procedure qualification per ASME Section IX?

Accepted Answer

Procedure Qualification Record (PQR)

Answer

The Procedure Qualification Record (PQR) documents the actual test variables and results used to support the Welding Procedure Specification.

Question 3

When a welder has not welded with a qualified process for more than 6 months, what is required per ASME Section IX?

Accepted Answer

Requalification of the welder

Answer

ASME Section IX requires welder requalification if they have not welded in a qualifying process within the preceding 6-month period.

Question 4

Under API 510, which ASME standard governs the qualification of welding procedures and welders for pressure vessel repairs?

Accepted Answer

ASME Section IX

Answer

ASME Section IX — Welding, Brazing, and Fusing Qualifications — is the governing standard for procedure and welder qualification referenced by API 510.

Question 5

A welding procedure qualified using a P-1 base metal is generally acceptable for welding which other P-number groups?

Accepted Answer

It depends on the essential variables specified in the WPS

Answer

The applicability of a WPS to different P-number groups is governed by the essential variables listed in ASME Section IX, and qualification rules vary by process.

(API 510) Certified Pressure Vessel Inspector Practice Test

(API 510) Certified Pressure Vessel Inspector Practice Test

API 510 API 510 Welding Procedures and Qualifications