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 HOME > 메카백과 > 메카편람 |
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 제목 |
Titanium Grade 9 |
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| 분류 |
금속재료 > 특수금속 |
작성일 |
2006.11.13 |
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| 작성자 |
admin   |
다운로드 |
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| 키워드 |
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| Titanium Grade 9 |
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Chemical composition (weight %) (Maximum values unless range is shown) |
| O |
N |
C |
H |
Fe |
A1 |
V |
Ni |
Mo |
Others |
Residuals |
| 0.15 |
0.02 |
0.08 |
0.015 |
0.25 |
2.5-3.5 |
2.0-3.0 |
. |
. |
. |
0.4 |
This alloy is sometimes referred to as "half 6-4". It offers 20-50% higher strength tha C.P. grades, but is more formable and weldable then Ti-6AI-4V. Grade 9 combines strength, weldability and formability. The alloy has excellent formability plus higher tensile strength than the strongest unalloyed grade.
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Mechanical properties at room temperature |
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Minimum values |
Typical values |
| Yield Strength |
485 MPa |
610 MPa |
| Ultimate Strength |
620 MPa |
740 MPa |
| Elongation in 50 mm, A5 |
15% |
17% |
| Reduction in Area |
25% |
% |
| Hardness |
. |
260-320 HV |
| Modulus of elasticity |
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107 GPa |
| Charpy V-Notch Impact |
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48-102 J | |
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