QTC meaning in oil and gas
Definition
Qualification Test Coupon
QTC means Qualification Test Coupon. When testing materials, if you can't (or don't want to in case of causing damage or similar) test the actual piece, you can have the material made larger than required and then remove…
When testing materials, if you can't (or don't want to in case of causing damage or similar) test the actual piece, you can have the material made larger than required and then remove a piece to test. This extra piece is then known as the Qualification Test Coupon (or QTC). Please refer to API 6A or other Oil and Gas industry or a major oil and gas company material standards for further information.
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