TiAl6V6Sn2 | 3.7175 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Application temperature [°C]
3.7175 (DIN 17851 : 1990-11) 3.7175 DIN 17851 : 1990-11 Supersedes DIN 17851 : 1973-12 Withdrawn without replacement Germany ≤ 350 1)
1) Remark: TiAl6V6Sn2 with the material number 3.7175 (see also TiAl6V6Sn2, material number 3.7174, according to the Werkstoff-Leistungsblatt der Deutschen Luftfahrt WL 3.7174) belongs to the hardenable alpha + beta-titanium alloys. It is similar to the 3.7164 or 3.7165 (TiAl6V4), yet the beta-phase is more stable and the material shows higher strength. It possesses good resistance to corrosion, it is well forgeable, and the long-term application temperature is approximately 350 °C. Processing properties: Formability: limited (cold forming), good (hot forming) Weldability: limited (embrittlement of the welding and heat affected zone by transformation hardening, electron-beam welding) (Werkstoff-Leistungsblatt der Deutschen Luftfahrt WL: material specification of the German aviation)

Chemical Composition

Al [%] C [%] Cu [%] Fe [%] H [%] N [%] O [%] Sn [%] V [%]
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Mechanical Properties

Semi-finished Product Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Elongation A50 [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Shear Modulus [GPa] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm]
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Welding and Joining

Procedure Welding and Joining - Evaluation Added Materials Information
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Cross Reference

Material Name Country Standard
Ti P64 Europe AECMA 1)
TiAl6V6Sn2 (3.7175) Germany DIN 17860
TiAl6V6Sn2 (3.7175) Germany DIN 17861
Ti6Al6V2Sn
Titan
Titanium
1) Source: OTTO FUCHS KG, Meinerzhagen

Producer/Supplier/Trade names

Material Compliance

REACh RoHS
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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