Ti3Pd | 3.7255 Material Datasheet
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| Material Number | Material Number (single) | Standard | Range of Application | Standard Status | Country | Successor | Remark |
|---|---|---|---|---|---|---|---|
| 3.7255 (DIN 17862 : 1993-02) | 3.7255 | DIN 17862 : 1993-02 | DIN 17862 : 1993-02 replaced by DIN 17862 : 2012-03 | Replaced | Germany | Ti3Pd | Chemical Composition: DIN 17851 Ti3Pd (soft annealed) with the material number 3.7225 is used acc. VdTÜV-Wbl 230-1 : 2001-12 (sheet and strip) and VdTÜV-Wbl 230-2 : 1995-06 (seamless circular tubes) and VdTÜV-Wbl 230-3 : 2001-09 (rods, wire and forgings) for pressure vessels subject to TRB 100 and AD-Merkblatt W 0, part 3.4, from - 10 to 300 °C. Welding: Ti3Pd is weldable under use by argon (min 99.99%) with low humidity content for TIG-welding (with and without addition) and for MIG-welding. With the welding are to be protected the seam upper side as well as the root side with edge zones by suitable weld facilities against the admission of air also during the cooling under about 300 °C. Excessive hardening can occur through admission of pollutions and this can lead to an embrittlement of the weld seam. Hence, is to be paid attention to cleanness of the weld edges and edge zones as well as the addition especially. As addition a proofed blank wire of the same titanium group is to be used. A stress relieving annealing after the welding is only necessary for internal stress after the welding, possible caused by the material thickness or the constructive configuration. Corrosion resistance (acc. DIN 17850): Ti3Pd shows almost the same strength properties as the corresponding unalloyed titanium material (Ti3, material number 3.7055 according to DIN 17805-90). In comparison to the unalloyed material, the material has improved resistance to corrosion in reducing mediums. Ti1Pd possesses high resistance to general corrosion, especially to crevice and stress cracking corrosion, and it is resistant to pitting to a large extent. There exists resistance to nitric acid, chromic acid, sulphurous acid, alkali-lyes, ammonia, aqueous chlorides, moist chlorine gas, acetic acid, liquid hydrogen. The material has proven worthwile particularly in hydrochloric and sulphate solutions at high temperatures, too, and with insufficient of addition of inhibitors and with oxalic acid. Processing properties: Formability: good (especially well cold-formable) Weldability: good (tungsten inert-gas, MIG, plasma, electron beam and resistance welding) Application: Typical fields of application are chemical plants, particularly for the handling of highly aggressive mediums containing chloride. |
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] | Yield Strength (1.0% offset) [MPa] | Elongation A [%] | Reduction of Area [%] | Hardness HB | HBW | Source |
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Physical Properties
| Temperature [°C] | Density [g/cm³] | Young's Modulus [GPa] | Mean Coefficient of Thermal Expansion [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Specific Electrical Resistance [µΩm] | Mean Specific Heat Capacity [kJ/(kg*K)] | Source |
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Young's Modulus [GPa] vs Temperature [°C]
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| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Specimen Shape | Specimen Direction | Notch Impact Energy [J] | Source |
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Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| Ti3Pd (3.7255) | Germany | DIN 17851 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| TIKRUTAN RT 18 Pd | VDM Metals GmbH, Werdohl |
Material Compliance
| REACh | RoHS |
|---|---|
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Ti3Pd (3.7255; DIN 17862 : 1993-02)
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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Electrical resistivity
| Temperature [°C] | Specific electrical resistance [µΩm] |
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Specific heat
| Temperature [°C] | Specific heat [kJ/(kg*K)] |
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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 | Source description |
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Designation
| Designation | Material number | Source |
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Ti3Pd (soft annealed (+A); rod; 6.000-100.000mm)
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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Ti3Pd (soft annealed (+A))
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
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Classification
| Treatment | Source description |
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