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Marine Hardware Quality Documentation: MTR, FAI, and What to Require
MTRs, FAI reports, COCs, and dimensional inspection records are the documentation stack that serious OEM boat builder programs now require from every marine hardware supplier. Most suppliers can’t provide them. Here’s what each document confirms and how to make them standard.
Why Some Stainless Boat Hardware Rusts
Stainless boat hardware rusts for three specific reasons — wrong grade, no passivation, or crevice geometry. Each leaves a distinct corrosion pattern and has a direct prevention at the specification or fabrication stage.
Signs of a Reliable Marine Metal Fabrication Partner
Reliable marine fabrication partners leave observable signals before a production program reveals their capability. Seven of them are identifiable during the qualification process — if you know what to look for.
Galvanic Corrosion Between Stainless and Aluminum
Stainless steel and aluminum are both excellent marine materials individually. Together in direct contact in saltwater, they form a galvanic cell that corrodes the aluminum. The fix is a design decision, not a material change.
Marine Parts Tariffs and Sourcing Risk (2025–2026)
Section 232 tariffs are 50% with all country exemptions eliminated. For purchasing managers, the right question is not domestic versus offshore — it is which supplier model delivers the best total landed cost and service reliability.