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How to Choose the Right Titanium Grade

Systematic guide to selecting the optimal titanium grade.

Quick Answer

Grade 2 for corrosion, Grade 5 for strength, Grade 23 for fracture-critical.

Selection Matrix

Need Grade Key Property
Corrosion Grade 2 Passive film
Highest strength Grade 5 130 ksi UTS
Fracture toughness Grade 23 Higher K1C
Formability Grade 2 Elong > 20%

References

  • ASTM B265, ASM Handbook Vol 2

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