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Titanium Grade 23 Technical Report
Grade 23 is also known as Ti-6AL-4V-ELI or simply Ti 6-4 ELI. ELI is short for "Extra Low Interstitials". Grade 23 is very similar to Grade 5 except Grade 23 has lower oxygen, nitrogen and iron. The lower interstitials provide more ductility and better fracture toughness (slightly less strength) than Grade 5.
Chemical Composition |
| Element |
Grade23 |
| Nitrogen, MAX |
0.03 |
| Carbon, MAX |
0.08 |
| Hydrogen, MAX |
0.0125 |
| Iron, MAX |
0.25 |
| Oxygen, MAX |
0.13 |
| Aluminum |
5.5-6.5 |
| Vanadium |
3.5-4.5 |
| Tin |
…. |
| Palladium |
…. |
| Chromium |
…. |
| Molybdenum |
…. |
| Zirconium |
…. |
| Nickel |
…. |
| Residuals (each) max |
0.1 |
| Residuals (total) max |
0.4 |
| Titanium |
Remainder |
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| Mechanical Properties:
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| Titanium and Titanium Alloy Strip, Sheet, and Plate |
| Tensile Requirements |
| Grade |
Tensile Strength |
Yield Strength, 0.2 % Offset |
Elongation in 2 in. or 50 mm |
Bend Test |
| min |
min |
max |
Under 0.070 in (1.8 mm) in T. |
0.070 to 0.187 in (1.8–4.75 mm) in T. |
| ksi |
Mpa |
ksi |
Mpa |
ksi |
Mpa |
min, % |
| 23 |
120 |
828 |
110 |
759 |
... |
... |
10 |
9T |
10T |
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| Titanium and Titanium Alloy Bars and Billets |
| Tensile Requirements |
| Grade |
Tensile Strength min |
Yield Strength (0.2 % Offset) |
Elongation |
Reduction of Area |
| ksi |
Mpa |
ksi |
Mpa |
min % |
min % |
| 23 |
120 |
828 |
110 |
759 |
10 |
15 |
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| Titanium and Titanium Alloy Forgings |
| Grade |
Tensile Strength min |
Yield Strength (0.2 % Offset) |
Elongation |
Reduction of Area |
| ksi |
Mpa |
ksi |
Mpa |
min % |
min % |
| 23 |
120 |
828 |
110 |
759 |
10 |
25 |
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| Titanium and Titanium Alloy Seamless Pipe |
| Grade |
Tensile Strength |
Yield Strength, 0.2 % Offset |
Elongation in 2 in. or 50 mm gage length, |
| min |
min |
max |
| ksi |
Mpa |
ksi |
Mpa |
ksi |
Mpa |
min, % |
| 23 |
120 |
828 |
110 |
759 |
... |
... |
10 |
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| Titanium and Titanium Alloy Wire |
| Grade |
Tensile Strength |
Yield Strength, 0.2 % Offset |
Elongation |
| min |
min |
| ksi |
Mpa |
ksi |
Mpa |
min, % |
| 23 |
115 |
793 |
110 |
759 |
10 |
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| Find Better Metal for Better Future |
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Tel:+86 21 56836035
Fax:+86 21 56836035
Email:sales@northalloys.com
Address:No 188,Xinfeng Road,Shanghai China 201501 |
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