Precision. Consistency. Certification Ready.
SERVICES
When it comes to weld testing, accuracy matters. At Unobtanium Metals, we manufacture and supply high-quality weld test coupons built to meet your exact specifications. Whether you’re running procedure qualification tests (PQR), welder performance qualifications (WPQ), or conducting routine internal training, we ensure your coupons are certification-ready and built to spec—every time.
STOCK
We provide both raw material and machined test coupons depending on your company’s specific needs. Our in-house machining capabilities allow for tight tolerances and consistent finishes, making us a trusted partner for welding shops, training centers, and industrial contractors across Canada and beyond.
Test Coupon
Test Coupon
POPULAR STOCK
We maintain inventory of commonly requested coupons, including:
SA106 Grade B
Size: 0.625″ wall thickness
Outer Diameter: 2.5″
Length: 3″
Bevel: 37.5° bevel on one end
These P1-P1 coupons are ideal for B31.3 process piping and ASME Section IX applications.
WELD TEST COUPON
Bevel Prep – Single/double bevels, custom angles
Resurfacing – Flat, clean surfaces
Laser Etching – Permanent ID or lot codes
Facing & Sizing – Built to spec
Drilling/Slotting – For specialized tests
Exotic Machining – For rare or high-alloy materials
COMMONLY USED
In addition to carbon steel (like SA106 Grade B), we can create coupons from a wide variety of materials including:
Stainless Steel (304/316/321/etc.)
Chrome-Moly (P11, P22, P91)
Inconel, Monel & Other Nickel Alloys
Titanium & Aluminum
Duplex & Super Duplex Stainless
Custom Alloys (upon request)
Reach out to our team any time. We are here 24/7 to support urgent requests and keep your operations moving—whether it’s weld testing, machining, or hard-to-source metals.