TiAl6V4 | 3.7165 Material Datasheet
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Material Number | Material Number (single) | Standard | Range of Application | Standard Status | Country | Successor | Remark | Application temperature [°C] |
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3.7165 (DIN 17862 : 1993-02) | 3.7165 | DIN 17862 : 1993-02 | DIN 17862 : 1993-02 replaced by DIN 17862 : 2012-03 | Replaced | Germany | TiAl6V4 | Chemical composition: DIN 17851 Because of its high quenching distortion during hardening and of the through-hardenability that is limited to approximately 25 mm, the hardenable titanium alloy TiAl6V4 with the material number 3.7165 (see also TiAl6V4, 3.7164, according to the Werkstoff-Leistungsblatt der Deutschen Luftfahrt WL3.7164) is generally used in the annealed condition, except for the manufacturing of small parts, connection components in particular. TiAl6V4 possesses a favourable ratio of strength and weight, a high fracture toughness in the annealed condition and thermal stability in the range from -200 to 400 °C. Corrosion resistance: Good corrosion resistance to strongly oxidizing acids, especially resistant to nitric acid, chromic acid, sulphurous acid, alkali lyes, ammonia, aqueous chlorides, salt brine, sea water, moist chlorine gas, acetic acid, malein acid, liquid hydrogen, limited resistance to sulphuric acid, hydrochloric acid, phosphoric acid, oxalic acid and formic acid. The material is not resistant to fluorine, dry chlorine gas and red fuming nitric acid. There exists resistance to stress cracking corrosion. Processing properties: Formability: limited (cold forming), good (hot forming) Weldability: good (tungsten inert-gas, plasma, electron beam and resistance welding) Application: Fields of application are the engine and airframe construction in the aeroplane industry, measurement devices and valves and fittings, laboratory centrifuges and the automobile sport. | ≤ 300 |
Mechanical Properties
Semi-finished Product | Condition | Condition Number | Strength Abbrevation | Nominal Size [mm] | Temperature [°C] | Specimen Direction | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | Reduction of Area [%] | Hardness HB | HBW | Source |
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Cross Reference
Material Name | Country | Standard |
---|---|---|
T-A6V | France | AIR 9183 |
TA28 | Great Britain | BS TA 28 |
TA56 | Great Britain | BS TA 56 |
TA10 | Great Britain | BS TA10 |
TA11 | Great Britain | BS TA11 |
TA12 | Great Britain | BS TA12 |
TA13 | Great Britain | BS TA13 |
VT6s | Russia | GOST 19807 |
Grade 5 | USA | ASTM B 265 |
Grade 5 | USA | ASTM B 337 |
Grade 5 | USA | ASTM B 338 |
Grade 5 | USA | ASTM B 348 |
Grade 5 | USA | ASTM B 363 |
Grade 5 | USA | ASTM B 381 |
TiAl6V4 (3.7165) | Germany | DIN 17851 |
Producer/Supplier/Trade names
Tradename | Supplier |
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Al6V4 | Chr. Höver & Sohn GmbH & Co KG, Lindlar |
Coralloy Ti-6-4 | Chr. Höver & Sohn GmbH & Co. KG, Lindlar |
ERGITAN 7165 TV | Stahlwerk Ergste Westig GmbH, Schwerte |
LT 31 | VDM Metals GmbH, Werdohl |
RMI G Al-4V | ZAPP AG, Ratingen |
Ti Al6V4 | Enpar Sonderwerkstoffe GmbH, Gummersbach |
TL64 | OTTO FUCHS KG, Meinerzhagen |
Material Compliance
REACh | RoHS |
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Fracture Toughness
Temperature [°C] | Yield Strength [MPa] | Plane-Strain Fracture Toughness KIc [MPa*m^½] | Threshold Stress Intensity Factor at Stress Corrosion Cracking KIscc [MPa*m^½] | Source | Remark |
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TiAl6V4 (3.7165; DIN 17862 : 1993-02)
Strain life
Temperature [°C] | Cyclic fatigue strength coefficient [MPa] | Cyclic fatigue strength exponent | Ductility coefficient [Pa] | Ductility exponent | Cyclic strength coefficient [MPa] | Cyclic strain hardening exponent | Young's modulus [GPa] |
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Linear-elastic
Temperature [°C] | Young's modulus [GPa] | Poisson's ratio |
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Yield strength
Temperature [°C] | 0.2% Proof strength [MPa] |
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Tensile strength
Temperature [°C] | Tensile strength [MPa] |
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Classification
WIAM Material | Source description |
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Designation
Designation | Material number | Source |
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TiAl6V4 (tension/compression; fracture)
Alternating stress
Temperature [°C] | Stress ratio | Alternating stress [MPa] | Cycles |
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Classification
Load type | Failure criteria | Source description |
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blur | blur | blur |
TiAl6V4 (6mm; flaw)
Strain life
Temperature [°C] | Cyclic fatigue strength coefficient [MPa] | Cyclic fatigue strength exponent | Ductility coefficient [Pa] | Ductility exponent | Cyclic strength coefficient [MPa] | Cyclic strain hardening exponent | Young's modulus [GPa] |
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Classification
Dimension [mm] | Failure criteria | Source description |
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TiAl6V4 (precipitation hardened (+P); 6.35mm; fracture)
Strain life
Temperature [°C] | Cyclic fatigue strength coefficient [MPa] | Cyclic fatigue strength exponent | Ductility coefficient [Pa] | Ductility exponent | Cyclic strength coefficient [MPa] | Cyclic strain hardening exponent | Young's modulus [GPa] |
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blur | blur | blur | blur | blur | blur | blur | blur |
Classification
Treatment | Dimension [mm] | Failure criteria | Source description |
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TiAl6V4 (precipitation hardened (+P); load drop)
Strain life
Temperature [°C] | Cyclic fatigue strength coefficient [MPa] | Cyclic fatigue strength exponent | Ductility coefficient [Pa] | Ductility exponent | Cyclic strength coefficient [MPa] | Cyclic strain hardening exponent | Young's modulus [GPa] |
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blur | blur | blur | blur | blur | blur | blur | blur |
Classification
Treatment | Failure criteria | Source description |
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blur | blur | blur |
TiAl6V4 (soft annealed (+A); rod; 6.000-80.000mm)
Yield strength
Temperature [°C] | 0.2% Proof strength [MPa] |
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blur | blur |
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Tensile strength
Temperature [°C] | Tensile strength [MPa] |
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Classification
Treatment | Semi-finished product | Dimension [mm] | Source description |
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TiAl6V4 (soft annealed (+A); rod; 80.000-150.000mm)
Yield strength
Temperature [°C] | 0.2% Proof strength [MPa] |
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Tensile strength
Temperature [°C] | Tensile strength [MPa] |
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Classification
Treatment | Semi-finished product | Dimension [mm] | Source description |
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blur | blur | blur | blur |
TiAl6V4 (artificially aged; rod; 6.000-25.000mm)
Yield strength
Temperature [°C] | 0.2% Proof strength [MPa] |
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blur | blur |
Tensile strength
Temperature [°C] | Tensile strength [MPa] |
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blur | blur |
blur | blur |
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Classification
Treatment | Semi-finished product | Dimension [mm] | Source description |
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TiAl6V4 (soft annealed (+A))
Yield strength
Temperature [°C] | 0.2% Proof strength [MPa] |
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blur | blur |
blur | blur |
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Tensile strength
Temperature [°C] | Tensile strength [MPa] |
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blur | blur |
blur | blur |
blur | blur |
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Classification
Treatment | Source description |
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blur | blur |
TiAl6V4 (artificially aged)
Tensile strength
Temperature [°C] | Tensile strength [MPa] |
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blur | blur |
blur | blur |
blur | blur |
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Classification
Treatment | Source description |
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blur | blur |