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Titanium Grade 7 Technical Report Grade 7 is a commercially pure titanium grade very similar to Grade 2 except Grade 7 contains 0.2wt% palladium. This small palladium addition resists crevice corrosion at temperature below 480 Deg F and a pH >1.
Chemical Composition |
Element |
Grade 7 |
Nitrogen, MAX |
0.03 |
Carbon, MAX |
0.08 |
Hydrogen, MAX |
0.015 |
Iron, MAX |
0.30 |
Oxygen, MAX |
0.25 |
Aluminum |
…. |
Vanadium |
…. |
Tin |
…. |
Palladium |
0.12-0.25 |
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, % |
7 |
50 |
345 |
40 |
275 |
65 |
450 |
20 |
4T |
5T |
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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 % |
7 |
50 |
345 |
40 |
275 |
20 |
30 |
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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 % |
7 |
50 |
345 |
40 |
275 |
20 |
30 |
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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, % |
7 |
50 |
345 |
40 |
275 |
65 |
450 |
20 |
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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, % |
7 |
50 |
345 |
40 |
275 |
18 |
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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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