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TiAl6Zr5Mo0,5Si | 3.7155 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
3.7155 (DIN 17864 : 1993-02) TiAl6Zr5Mo0,5Si 3.7155 DIN 17864 : 1993-02 DIN 17864 : 1993-02 replaced by DIN 17864 : 2012-03 Replaced Germany TiAl6Zr5Mo0,5Si 2.3 300 - 450 1)
1) Remark: Chemical composition: DIN 17851 TiAl6Zr5Mo0.5Si with the material number 3.7155 (see also TiAl6Zr5Mo0.5Si, 3.7154, according to Werkstoff - Leistungsblatt der Deutschen Luftfahrt WL 3.7154) is an alpha + beta-alloy. Like 3.7l44 or 3.7145, the material was developed for the application at higher temperatures and possesses good strength and creep behaviour up to about 550 degrees C. The material 3.7155 is more susceptible to stress cracking corrosion in NaCl-solution than the materials TiAl6V4 or TiAl4Mo4Sn2Si. Processing properties: Weldability: good (chiefly tungsten inert-gas and electron beam welding) Application: It is applied particularly in the engine manufacturing for construction components like compressor discs and blades that are highly stressed at elevated temperatures (main application range between 300 and 450 °C).

Chemical Composition

Al [%] C [%] Fe [%] H [%] Mo [%] N [%] O [%] Si [%] Zr [%] Remainder
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Material Compliance

REACh RoHS
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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 [%]
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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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Cross Reference

Material Name Country Standard
TiAl6SnZrNo0,5Si (3.7155) Germany DIN 17851

Producer/Supplier/Trade names

Tradename Supplier
LT 26 VDM Metals GmbH, Werdohl

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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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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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Designation

Designation Material number Source
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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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