3. Terminology
3.1 Definitions of Terms Specific to This Standard:
3.1.1 Any product 0.187 in. (4.75 mm) and under in thickness and less than 24 in. (610 mm) in width is classified as strip; products 0.187 in. (4.75 mm) and under in thickness and 24 in. (610 mm) or more in width are classified as sheet; any product over 0.187 in. (4.75 mm) in thickness and over 10 in. (254 mm) in width is classified as plate.
4. Ordering Information
4.1 orders for materials under this specification shall include the following information as applicable:
4.1.1 Grade number(Section 1),
4.1.2 product limitations(Section 3),
4.1.3 Special mechanical properties(Table 1),
4.1.4 Marking (Section 16),
4.1.5 Finish (Section 8),
4.1.6 Packaging (Section 16),
4.1.7 Required reports (Section 15), and
4.1.8 Disposition of rejected material (Section 14).
TABLE 1 tensile RequirementsA
| Grade | Tensile Strength, min | Yield Strength,0.2% Offset | Elongation in 2 in. or 50 mm,min,% | Bend TestB | |||||
| ksi | MPa | min | max | Under 0.070 in.(1.8mm)in Thickness | 0.070 to 0.187 in.(1.8 to 4.75 mm)in Thickness | ||||
| ksi | MPa | ksi | MPa | ||||||
| 1 | 35 | 240 | 25 | 170 | 45 | 310 | 24 | 3T | 4T |
| 2 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 4T | 5T |
| 3 | 65 | 450 | 55 | 380 | 80 | 550 | 18 | 4T | 5T |
| 4 | 80 | 550 | 70 | 483 | 95 | 665 | 15 | 5T | 6T |
| 5 | 130 | 895 | 120 | 828 | … | … | 10C | 9T | 10T |
| 6 | 120 | 828 | 115 | 793 | … | … | 10C | 8T | 9T |
| 7 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 4T | 5T |
| 9 | 90 | 620 | 70 | 483 | … | … | 15D | 5T | 6T |
| 11 | 35 | 240 | 25 | 170 | 45 | 310 | 24 | 3T | 4T |
| 12 | 70 | 483 | 50 | 345 | … | … | 18 | 4T | 5T |
| 13 | 40 | 275 | 25 | 170 | … | … | 24 | 3T | 4T |
| 14 | 60 | 410 | 40 | 275 | … | … | 20 | 4T | 5T |
| 15 | 70 | 483 | 55 | 380 | … | … | 18 | 4T | 5T |
| 16 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 4T | 5T |
| 17 | 35 | 240 | 25 | 170 | 45 | 310 | 24 | 3T | 4T |
| 18 | 90 | 620 | 70 | 483 | … | … | 15D | 5T | 6T |
| 19E.F | 115 | 793 | 110 | 759 | … | … | 15 | 6T | 6T |
| 20E.F | 115 | 793 | 110 | 759 | … | … | 15 | 6T | 6T |
| 21E.F | 115 | 793 | 110 | 759 | … | … | 15 | 6T | 6T |
| 23E.F | 120 | 828 | 110 | 759 | … | … | 10 | 9T | 10T |
| 24 | 130 | 895 | 120 | 828 | … | … | 10 | ||
| 25 | 130 | 895 | 120 | 828 | … | … | 10 | ||
| 26 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 4T | 5T |
| 27 | 35 | 240 | 25 | 170 | 45 | 310 | 24 | 3T | 4T |
| 28 | 90 | 620 | 70 | 483 | … | … | 15 | 5T | 6T |
| 29 | 120 | 828 | 110 | 759 | … | … | 10 | 9T | 10T |
| 30 | 50 | 345 | 40 | 275 | 65 | 450 | 20 | 4T | 5T |
| 31 | 65 | 450 | 55 | 380 | 80 | 550 | 18 | 4T | 5T |
| 32 | 100 | 689 | 85 | 586 | … | … | 10C | 7T | 9T |
A Minimum and maximum limits apply to tests taken both longitudinal and transverse to the direction of rolling. Mechanical properties for conditions other than annealed or plate thickness over 1 in.(25 mm) may be established by agreement between the manufacturer and the purchaser. B T equals the thickness of the bend test specimen. Bend tests are not applicable to material over 0.187 in.(4.75 mm) in thickness. C For Grades 5, 6 and 32 the elongation on materials under 0.025 in.(0.635 mm) in thickness may be obtained only by negotiation. D Elongation for continuous rolled and annealed (strip product from coil) for grade 9 and Grade 18 shall be 12% minimum in the longitudinal direction and 8% minimum in the transverse direction. E Properties for material in the Solution treated condition. F Material is normally purchased in the solution treated condition. Therefore, properties for aged material shall be negotiated between manufacturer and purchaser.
5. Chemical Composition
5.1 the grades of titanium and titanium alloy metal covered by this specification shall conform to the chemical composition requirements prescribed in Table 2.
5.1.1 the elements listed in Table 2 are intentional alloy additions or elements which are inherent to the manufacture of titanium sponge, ingot or mill product.
5.1.1.1 Elements other than those listed in Table 2 are deemed to be capable of occurring in the grades listed in Table 2 by and only by way of unregulated or unanalyzed scrap additions to the ingot melt. Therefore, product analysis for elements not listed in Table 2 shall not be in excess of the intent of this specification.
5.1.2 Elements intentionally added to the melt must be identified, analyzed, and reported in the chemical analysis.
5.2 When agreed upon by producer and purchaser and requested by the purchaser in his written purchase order, chemical analysis shall be completed for specific residual elements not listed in this specification.
5.3 Product Analysis—Product analysis tolerances do not broaden the specified heat analysis requirements but cover variations between laboratories in the measurement of chemical content. The manufacturer shall not ship material that is outside the limits specified in Table 2 for the applicable grade. Product analysis limits shall be specified in Table 3.
TABLE 2 Chemical RequirementsA
|
Element |
Composition, % |
||||||
|
Grade 1 |
Grade 2 |
Grade 3 |
Grade 4 |
Grade 5 |
Grade 6 |
Grade 7 |
|
|
Nitrogen |
0.03 |
0.03 |
0.05 |
0.05 |
0.05 |
0.03 |
0.03 |
|
Carbon, max |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
|
Hydrogen, B.C max |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
|
Iron, max |
0.20 |
0.30 |
0.30 |
0.50 |
0.40 |
0.50 |
0.30 |
|
Oxygen, max |
0.18 |
0.25 |
0.35 |
0.40 |
0.20 |
0.20 |
0.25 |
|
Aluminum |
… |
… |
… |
… |
5.5-6.75 |
4.0-6.0 |
… |
|
Vanadium |
… |
… |
… |
… |
3.5-4.5 |
… |
… |
|
Tin |
… |
… |
… |
… |
… |
2.0-3.0 |
… |
|
Ruthenium |
… |
… |
… |
… |
… |
… |
… |
|
Palladium |
… |
… |
… |
… |
… |
… |
0.12-0.25 |
|
Cobalt |
… |
… |
… |
… |
… |
… |
… |
|
Molybdenum |
… |
… |
… |
… |
… |
… |
… |
|
Chromium |
… |
… |
… |
… |
… |
… |
… |
|
Nickel |
… |
… |
… |
… |
… |
… |
… |
|
Niobium |
… |
… |
… |
… |
… |
… |
… |
|
Zirconium |
… |
… |
… |
… |
… |
… |
… |
|
Silicon |
… |
… |
… |
… |
… |
… |
… |
|
Residuals, D.E.F |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
Max each |
|||||||
|
Residuals, D.E.F |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
0.4 |
|
Max total |
|||||||
|
Titanium G |
balance |
balance |
balance |
balance |
balance |
balance |
balance |
|
Element |
Composition, % |
||||||
|
Grade 9 |
Grade 11 |
Grade 12 |
Grade 13 |
Grade 14 |
Grade 15 |
Grade 16 |
|
|
Nitrogen |
0.03 |
0.03 |
0.03 |
0.03 |
0.03 |
0.05 |
0.03 |
|
Carbon, max |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
0.08 |
|
Hydrogen, B.C max |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
0.015 |
|
Iron, max |
0.25 |
0.20 |
0.30 |
0.20 |
0.30 |
0.30 |
0.30 |
|
Oxygen, max |
0.15 |
0.18 |
0.25 |
0.10 |
0.15 |
0.25 |
0.25 |
|
Aluminum |
2.5-3.5 |
… |
… |
… |
… |
… |
… |
|
Vanadium |
2.0-3.0 |
… |
… |
… |
… |
… |
… |
|
Tin |
… |
… |
… |
… |
… |
… |
… |
|
Ruthenium |
… |
… |
… |
0.04-0.06 |
0.04-0.06 |
0.04-0.06 |
… |
|
Palladium |
… |
0.12-0.25 |
… |
… |
… |
… |
0.04-0.08 |
|
Cobalt |
… |
… |
… |
… |
… |
… |
… |
|
Molybdenum |
… |
… |
0.2-0.4 |
… |
… |
… |
… |
|
Chromium |
… |
… |
… |
… |
… |
… |
… |
|
Nickel |
… |
… |
0.6-0.9 |
0.04-0.06 |
0.04-0.06 |
0.04-0.06 |
… |
|
Niobium |
… |
… |
… |
… |
… |
… |
… |
|
Zirconium |
… |
… |
… |
… |
… |
… |
… |
|
Silicon |
… |
… |
… |
… |
… |
… |
… |
|
Residuals, D.E.F |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
0.1 |
|
Max each |
|||||||
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