Thats really interesting you mention that redstick about diving and where titaniums anticorrosive properties are the main reason for choosing titanium. I went with Gr 5 which should give me that balance between strength and weight... This is what I've ordered from a company in china norstl
www.norstl.com to have a play around with....
1 Titanium Sheet Size: 1.6 * 150 * 310mm EURO 12.14
Grade: Grade 5
N.W.: 0.34KG/PC
Standard: ASTM B265
Surface: Pickling
Deliery Condition: Annealed
2 Titanium Sheet Size: 4 * 150 * 310mm EURO 34.82
Grade: Grade 5
N.W.: 0.84 KG/PC
Standard: ASTM B265
Surface: Pickling
Deliery Condition: Annealed
3 Titanium Sheet Size: 5 * 150 * 310mm EURO 41.03
Grade: Grade 5
N.W.: 1.05 KG/PC
Standard: ASTM B265
Surface: Pickling
Deliery Condition: Annealed
4 Titanium Sheet Size: 12 * 280 * 250mm EURO 120.23
Grade: Grade 5
N.W.: 3.79 KG/PC
Standard: ASTM B265
Surface: Pickling
Deliery Condition: Annealed