EOS Titanium Ti64 Grade 5 Material Data Sheet

MetalPremiumSolutionsEOS Titanium Ti64 Grade 5Material Data Sheet

EOS Titanium Ti64 Grade 5EOS Titanium Ti64 Grade 5 is a Ti6Al4V alloy, which is well-known forhaving excellent mechanical properties: low density with high strengthand excellent corrosion resistance. The alloy has low weight comparedto superalloys and steels and higher fatigue resistance compared toother lightweight alloys.Parts built with EOS Titanium Ti64 Grade 5 powder can be machined,shot-peened and polished in as manufactured and heat treated states.Due to the layerwise building method, the parts have a certainanisotropy. Heat treatment is recommended to reduce internalstresses and increase ductility.EOS Titanium Ti64 Grade 5 powder can be used on the EOS M 290with a 40 µm and 80 µm process and on the EOS M 400-4 with an80 µm process.Main Characteristics:Typical Applications: Low weight combinedwith high strengthExcellent corrosion resistanceHigh fatigue resistance compared to other lightweight alloysThe parts fulfill chemicalrequirements for Grade 5 alloyAerospace componentsAutomotive componentsOther industrial applicationswhere low weight in combination with high strength arerequiredThe EOS Quality temiceEOS uses an approach that is uniquein the AM industry, taking each of thethree central technical elements ofthe production process into account:the system, the material and theprocess – together simply described asthe Quality Triangle. EOS focuses ondelivering reproducible part propertiesfor the customer.SeAll of the data stated in this materialdata sheet is produced according toEOS Quality Management System andinternational standards.rv

Powder PropertiesEOS Titanium Ti64 Grade 5 powder isclassified as Grade 5 titanium alloyaccording to ASTM B348. The chemicalcomposition is in compliance withstandards ISO5832-3, ASTM F1472,ASTM F2924, and ASTM F3302.Powder chemical composition (wt.-%)ElementPowder particle sizeMin.TiMax.Generic particle sizedistribution20 – 80 .015Fe-0.30Y-0.005Other elements, each-0.10Other elements, total-0.40SEM picture ofEOS Titanium Ti64 Grade 5 powder.100 µm

TRL7PremiumEOS Titanium Ti64 Grade 5for EOS M 290 40 µmProcess InformationHeat TreatmentPhysical Part PropertiesMechanical PropertiesAdditional DataV1.0, CR617, 2019-02

EOS Titanium Ti64 Grade 5 for EOS M 290 40 µmHigh Fatigue Strength without HIPThis process product was developed specifically for the production ofparts with high fatigue strength without the need for Hot IsostaticPressing (HIP).Main characteristics: Robust production of parts in small series and series productionImproved fatigue strength compared to previous generation EOSTitanium Ti64 productsPossibility for shortened overall production time by avoiding HIP aspost-process treatment stepProcess InformationSystem set-upEOS ParameterSetEOSPAR nameSoftware requirementsEOS M 290M 290 Ti64 Grade 5 040 V1Ti64Grade5 040 HiPerM291 100EOSPRINT 2.5 or newerEOSYSTEM 2.8 or newerPowder part no.9011-0045Recoater bladeEOS HSS bladeNozzleEOS grid nozzleInert gasArgonSieve90 µmAdditional informationLayer thicknessMin. wall thicknessVolume rate40 µmApprox. 0.4 mm6.2 mm3/s

Chemical and Physical Properties of PartsThe chemical composition of partsis in compliance with standardsISO5832-3, ASTM F1472, ASTM F2924,and ASTM F3302. Composition complies with EOS Titanium Ti64 Grade 5powder.Heat treated microstructure.Etched according toASTM E407 modified recipe #190.The areal defect percentage wasdetermined from cross-cuts of thebuilt parts using optical microscopefitted with a camera and analysissoftware. The analysis was carried outfor a sample area of 15 x 15 mm. Thedefects were detected and analyzedwith an image capture/analysissoftware with an automatic histogram based filtering procedure onmonochrome images. The density ofthe built specimen was measuredaccording to ISO3369.50 µm DefectsResultAverage defect percentage0.01 %Density, ISO3369ResultAverage density 4.4 g/cm3Number of samples30Number of samples10Heat TreatmentAs manufactured microstructure foradditively manufactured Ti64 consistsof fully acicular alpha prime (α )phase. Standard heat treatments fortitanium do not necessarily producedesired microstructures due to thisdifferent starting microstructure.Heat treatment is recommended torelieve stresses and to increase ductility. Use of vacuum furnace is highlyrecommended to avoid the formationof alpha case on the surface of theparts.Heat Treatment Description:120 min ( 30 min) at 800 C ( 10 C)measured from the part in vacuum(1.3 x 10 -3 -1.3 x 10 -5 mbar) followedby cooling under vacuum or argonquenching. Material mechanicalproperties are relatively insensitive tochanges in heating and cooling rates,but longer treatment times may resultin decreased strength and increasedelongation.Parts heat treated according to therecommended heat treatment havea microstructure consisting of finealpha beta (α β) phase.

EOS Titanium Ti64 Grade 5 for EOS M 290 40 µmMechanical Properties in Heat Treated StateMechanical properties ISO6892-1VerticalHorizontalYield strengthRp0.2 [MPa]Tensile strengthRm [MPa]Elongation atbreak A [%]Reduction of areaZ [%]Number ofsamples1,0101,08015 25849701,08014 2572VerticalHorizontalASTM F147220 %1,2001,1501,0801,080151415 %1,0501,0101,00097095010 %10 %930 MPa9005%860 MPa850Yield strength [RpO.2]Tensile strength [Rm]Elongation [A]Elongation [%]Strength [MPa]1,100

Additional DataFatigue StrengthFatigue strength determines a stresslevel where specimen fails at a definednumber of stress cycles [ISO 12107].Fatigue strength was estimated statistically according to ISO 12107. Testingwas done according to ASTM E466.Fatigue results typically show largedeviations due to the nature of thefatigue process [ISO 12107].Fatigue strength at 1 x 107 cycles in heat treated stateFatigue strength, MPa595 MPaSurface RoughnessRa as manufacturedRa shot peened40Surface roughness Ra (µm)35302520151053045607590Manufacturing angle of the specimenCoefficient of Thermal Expansion ASTM E228TemperatureCTE25 – 100 ºC25 – 200 ºC25 – 300 ºC9.0 *10 -6/K9.4 *10 -6/K9.7 *10 -6/KThe surface quality was characterizedby optical measurement method fromdown-facing surfaces according tointernal procedure. The 90 degreeangle corresponds to vertical surface.

TRLCoreEOS Titanium Ti64 Grade 5for EOS M 290 80 µmProcess InformationPhysical Part PropertiesV1.0, preCR09, 2020-043

EOS Titanium Ti64 Grade 5 for EOS M 290 80 µmProcess InformationThis process product is optimized for faster production of parts withproperties according to ASTM F1472. For most demanding applications, Hot Isostatic Pressing (HIP) is recommended to optimize highcycle fatigue propertiesMain Characteristics: Parameter set for fast and cost efficient production of Ti64 parts in smallseries or serial production15 - 30 % faster than EOS Ti64 Speed (60 µm) parameter set50 % faster than EOS Ti64 Grade 5 HiPer (40 µm) parameter setMaterial fulfills ASTM F2924 mechanical requirements in heat treatedstate. For fatigue critical applications, HIP is recommended as post-treatment.System set-upEOS ParameterSetEOSPAR nameSoftware requirementsEOS M 290M 290 Ti64 Grade 5 080 V1Ti64Grade5 080 CoreM291 100EOSPRINT 2.5 or newerEOSYSTEM 2.8 or newerPowder part no.9011-0045Recoater bladeEOS HSS bladeNozzleEOS grid nozzleInert gasArgonSieve90 µmAdditional informationLayer thicknessVolume rate80 µm12.0 mm³/s

Chemical and Physical Properties of PartsThe chemical composition of partsis in compliance with standardsISO5832-3, ASTM F1472, ASTM F2924,and ASTM F3302. Composition complies with EOS Titanium Ti64 Grade 5powder.2 mm DefectsResultAverage defect percentage 0.1 %*Surface roughness RaResultVertical9 µm* Defect% varies with platform position.Typical propertiesYield strengthRp0.2 [MPa]Tensile strengthRm [MPa]Elongation atbreak A [%]Reduction of areaZ [%]Heat treated horizontal1,0001,10015 25Heat treated vertical1,0201,11015** 25**HIP horizontal9001,01016 25HIP vertical9201,02016 25Fatigue strengthN 9-675 MPaHigh cycle fatigue strength was estimated statistically according to ISO 12107.Testing was done according to ASTM E466 with run-out limit 107 cycles.** Mean values above the standard limit, some outliers below the limit.

TRLCoreEOS Titanium Ti64 Grade 5for EOS M 400-4 80 µmProcess InformationPhysical Part PropertiesV1.0, preCR09, 2020-043

EOS Titanium Ti64 Grade 5 for EOS M 400-4 80 µmProcess InformationThis process product is optimized for faster production of parts withproperties according to ASTM F1472. For most demanding applications, Hot Isostatic Pressing (HIP) is recommended to optimize highcycle fatigue propertiesMain Characteristics: Parameter set for fast and cost efficient production of Ti64 parts in smallseries or serial production15 - 30 % faster than EOS Ti64 Speed (60 µm) parameter setMaterial fulfills ASTM F2924 mechanical requirements in heat treatedstate. For fatigue critical applications, HIP is recommended as post-treatment.System set-upEOS ParameterSetEOSPAR nameSoftware requirementsEOS M 400-4M 400-4 Ti64 Grade 5 080 V1Ti64Grade5 040 080 CoreM404 1.XEOSPRINT 2.7 or newerEOSYSTEM 2.11 or newerPowder part no.9011-0045Recoater bladeEOS HSS bladeInert gasArgonSieve90 µmAdditional informationLayer thicknessVolume rate80 µm4 x 12.0 mm³/s

Chemical and Physical Properties of PartsThe chemical composition of partsis in compliance with standardsISO5832-3, ASTM F1472, ASTM F2924,and ASTM F3302. Composition complies with EOS Titanium Ti64 Grade 5powder.2 mm DefectsResultAverage defect percentage 0.1 %*Surface roughness RaResultVertical9 µm* Defect% varies with platform position.Typical propertiesYield strengthRp0.2 [MPa]Tensile strengthRm [MPa]Elongation atbreak A [%]Reduction of areaZ [%]Heat treated horizontal9901,09015 25Heat treated vertical1,0101,09014** 25**HIP horizontal8901,00016 25HIP vertical9101,01016 25Fatigue strengthN 9-563 MPaHigh cycle fatigue strength was estimated statistically according to ISO 12107.Testing was done according to ASTM E466 with run-out limit 107 cycles.** Mean values above the standard limit, some outliers below the limit.

HeadquartersEOS GmbHElectro Optical SystemsRobert-Stirling-Ring 1D-82152 Krailling/MunichGermanyPhone 49 89 893 36-0Fax 49 89 893 36-285www.eos.infoinfo@eos.infoFurther EOS OfficesEOS FrancePhone 33 437 49 76 76EOS Greater ChinaPhone 86 21 602307 00EOS IndiaPhone 91 44 39 64 80 00EOS ItalyPhone 39 02 33 40 16 59EOS JapanPhone 81 45 670 0250EOS KoreaPhone 82 2 6330 5800EOS Nordic & BalticPhone 46 31 760 46 40EOS of North AmericaPhone 1 877 388 7916EOS SingaporePhone 65 6430 0463EOS UKPhone 44 1926 675 110Status 07/2020EOS is certified according to ISO 9001. EOS , DMLS , EOSPRINT and EOSTATE are registered trademarks of EOS GmbH in some countries.For more information visit www.eos.info/trademarks.Cover: This image shows a possible application.The quoted values refer to the use of this material with above specified type of EOS DMLS system, EOSYSTEM and EOSPRINT software version,parameter set and operation in compliance with parameter sheet and operating instructions. Part properties are measured with specifiedmeasurement methods using defined test geometries and procedures. Further details of the test procedures used by EOS are available on request.Any deviation from these standard settings may affect the measured properties. The data correspond to EOS knowledge and experience atthe time of publication and they are subject to change without notice as part of EOS‘ continuous development and improvement processes.EOS does not warrant any properties or fitness for a specific purpose, unless explicitly agreed upon. This also applies regarding any rightsof protection as well as laws and regulations.

EOS Titanium Ti64 Grade 5 powder can be used on the EOS M 290 with a 40 µm and 80 µm process and on the EOS M 400-4 with an 80 µm process. The EOS Quality Triangle EOS uses an approach that is unique in the AM industry, taking each of the three central technical elements of the producti