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Titanium Grade 4 Technical Report
Commercially Pure Grade 4 titanium has the highest strength of the commercially pure grades. It has excellent corrosion resistance in a wide variety of environments. Grade 4 is mostly used in Aerospace applications but has industrial applications where high strength is needed. Grade 4 has also found a niche in medical applications.
Chemical Composition |
| Element |
Grade 4 |
| Nitrogen, MAX |
0.05 |
| Carbon, MAX |
0.08 |
| Hydrogen, MAX |
0.015 |
| Iron, MAX |
0.50 |
| Oxygen, MAX |
0.40 |
| Aluminum |
…. |
| Vanadium |
…. |
| Tin |
…. |
| Palladium |
…. |
| Chromium |
…. |
| Molybdenum |
…. |
| Zirconium |
…. |
| Nickel |
…. |
| Residuals (each) max |
0.10 |
| Residuals (total) max |
0.40 |
| 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, % |
| 4 |
80 |
550 |
70 |
483 |
95 |
655 |
15 |
5T |
6T |
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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 % |
| 4 |
80 |
550 |
70 |
483 |
15 |
25 |
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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 % |
| 4 |
80 |
550 |
70 |
483 |
15 |
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, % |
| 4 |
65 |
450 |
55 |
380 |
80 |
550 |
18 |
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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, % |
| 4 |
80 |
550 |
70 |
483 |
15 |
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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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