What Is a Weld Coupon

When a Welder performs a Welder test or coding test, a couple of pieces of metal are typically welded together. This completed test piece is usually termed a “coupon”. The Welder test coupon is then subjected to the tests required by the code.

Why is it called a weld coupon?

Why do they call a weld test coupon, a coupon? that one really threw me a curve too when i was learning to weld. especially in the south where the emphasis is on the first syllable. Coupon in Metallurgy … a sample of metal or metalwork submitted to a customer or testing agency for approval.

What size is a welding coupon?

Weld coupon dimensions are typically 4” to 6” in length, but can be fabricated to any length required, and to tolerances as tight as ±1°.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.

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