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TiAl5Sn2,5 | 3.7115 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor Successor Application temperature [°C] VDA 231-106 classification
3.7115 (DIN 17862 : 2012-03) 3.7115 DIN 17862 : 2012-03 DIN 17862 : 2012-03 replaced by DIN 17862 : 2025-05 Replaced Germany TiAl5Sn2,5 TiAl5Sn2,5 ≤ 500 2.3 1)
1) Remark: As alpha-titanium alloy, TiAl5Sn2.5 with the material number 3.7115 (see also TiAl5Sn2.5, material number 3.7114 according to the Werkstoff-Leistungsblatt der Deutschen Luftfahrt WL 3.7114) shows relatively high high-temperature tensile strength at temperatures of up to about 500 °C. The material is weldable, quenchhardenable and well forgeable. The cold-formability of this alloy is less good than that of unalloyed titanium or of titanium alloys with beta-phase content.

Chemical Composition

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

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

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Poisson's Ratio Mean Coefficient of Thermal Expansion [10^-6*K^-1] 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
T-A5E France AIR 9183
B348 Grade 6 USA ASTM B348
R54520 USA UNS
Titanium Grade 6 USA
TiAl5Sn2,5 Germany DIN 17851
Ti-5Al-2.5Sn
Ti5Al2,5Sn
Titan

Producer/Supplier/Trade names

Tradename Supplier
TL52 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]
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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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