AI for welding supply distributors, tested on cert requests and bench tickets you already closed.

The classification on the box is the maker's own word. One filler metal maker's guide to product approvals says an AWS classification on the label is a promise from the manufacturer, and that AWS itself doesn't inspect or witness the testing. The same guide says the engineer of record or a certified welding engineer is usually the one who obtains a certificate of conformance. That request often works its way back through the fabricator to the branch that sold the wire, after the order has long since closed.

Finding the document is half the work. One maker runs a public search that returns a Certified Material Test Report when you type in a lot number, for a named list of its product families, and warns that a lot written with a backslash and a year has to be entered with an underscore. Other products and other makers go through other routes. Your branch's closed requests show how your people really track each one down, which makes them a fair test.

One branch, three federal codes. The 2022 NAICS index files welding supplies under 423840, pulls welding gases out to 424690, and puts welding machinery and equipment under 423830. Gas paperwork runs on cylinders and customers, a separate job of its own. A certificate follows a lot and a repair follows a serial number, and both end in a record you can check afterward.

Repairs get sold right next to rod. Mesa Unified School District #4 in Arizona wrote one solicitation for welding supplies, gases, equipment and repairs, for its operations department and the welding classes at six high schools. One part of the bid covers gases; the other covers welding rods, goggles, aprons, helmets, gloves and repairs. A school system in Inverness, Florida asked for firm unit prices on listed items and a percentage mark-up over cost, or a discount off list, on anything else. A single account can bring your branch a rod order, a bid and a broken machine in the same month.

The bench is often where a warranty claim starts. One large maker's warranty page counts more than 800 authorized service distributors worldwide. OSHA's arc welding rule, 29 CFR 1910.254(d)(9)(i), takes equipment out of use once a defect is reported, until its safety has been assured, and leaves repairs to qualified personnel. A machine on your bench is a machine someone isn't welding with, and your quote is the thing they're waiting on.

One limit covers both jobs. The proof of concept never touches your ERP, a live order or a live ticket. It never recommends a filler metal, attests to a certificate or decides whether a repair is covered. A qualified person at the branch sends every certificate, and a service manager approves every quote. Codes and rules are named here so your reviewer can follow the thinking, not as legal or engineering advice.