MIL-T-10727, ASTM B545 and AMS 2408
Tin plating is used to provide a low contact resistance surface, to protect against corrosion, to facilitate soldering, to provide anti-galling properties, and to stopoff coating in the nitriding of high-strength steels.
TYPES
Type 1 – Electrodeposited tin coating
Type 2 – Hot-dipped tin plating
CLASSES
Class A – 2.5µm Minimum
Class B – 5µm Minimum
Class C – 8µm-10µm
Class D – 15µm-20µm
Class E – 30µm Minimum
Class F – 1.5µm Minimum