DiveSport Poll 2023
{"uid":"fbba6c34-6415-4276-8428-bbc01c5e8bd7","id":"28206","questions":[{"uid":"1a4de29c-f892-492e-8c35-5fb55e61879c","content":"Which grade of titanium do you prefer? \nTitanium grade 5 is more expensive and slightly harder than titanium grade 2, but both cases will be scratch-resistant up to 1,200 Vickers thanks to a transparent surface coating. Titanium grade 5 has the advantage that the difference in hardness between the base material and the coating is [...]