IMI 834 Ti Alloy Chemical composition and Mechanical properties
IMI 834 Ti Alloy
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IMI 834 properties and heat treatment forged piece, Including IMI 834 application and specifications, We have all specifications，Including IMI 834 steel plate, IMI 834 sheet, IMI 834 square steel, IMI 834 flat bar,IMI 834 round bar,IMI 834 forgings, we can own production and sales.
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We can produce the IMI 834 has the following specifications:
Round bar steel: 1mm to 3000mm
Square-shape steel: 1mm to 2000mm
Plate steel:0.1mm to 2500mm
Width: 10mm to 2500mm
Lenth: We can supply any lenth based on the customer's requirement.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Tubings: OD: φ6-219 mm, with wall thickness ranging from 1-35 mm.
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
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Chemical composition % of the ladle analysis of grade IMI 834 and Standards
Titanium IMI 834
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy
Material Notes: Heat Treatment: 1015ºC 2 hr; oil quench; 700ºC 2 hr; air cool.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 4.55 g/cc | 0.164 lb/in³ | |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Brinell | 326 | 326 | Estimated from Rockwell C. |
| Hardness, Knoop | 354 | 354 | Estimated from Rockwell C. |
| Hardness, Rockwell C | 35 | 35 | |
| Hardness, Vickers | 350 | 350 | |
| Tensile Strength, Ultimate | 1050 MPa | 152000 psi | |
| Tensile Strength, Yield | 925 MPa | 134000 psi | |
| Elongation at Break | 12.0 % | 12.0 % | |
| Reduction of Area | 15.0 % | 15.0 % | |
| Modulus of Elasticity | 120 GPa | 17400 ksi | |
| Poissons Ratio | 0.310 | 0.310 | Typical for alpha titanium alloy. |
| Charpy Impact | 15.0 J | 11.1 ft-lb | V-notch |
| Fatigue Strength |
340 MPa @# of Cycles 1.00e+7 |
49300 psi @# of Cycles 1.00e+7 |
kt = 2.0, wrought 50 mm diameter bar. |
|
530 MPa @# of Cycles 400000 |
76900 psi @# of Cycles 400000 |
kt = 2.0, heat treated bar, axial stress | |
|
530 MPa @# of Cycles 1.00e+7 |
76900 psi @# of Cycles 1.00e+7 |
Unnotched | |
|
900 MPa @# of Cycles 10000 |
131000 psi @# of Cycles 10000 |
heat treated bar, axial stress, Unnotched | |
| Fracture Toughness | 45.0 MPa-m½ | 41.0 ksi-in½ | |
| Shear Modulus | 45.8 GPa | 6640 ksi | Calculated from typical values. |
| Electrical Properties | Metric | English | Comments |
| Electrical Resistivity | 0.000160 ohm-cm | 0.000160 ohm-cm | Estimated from similar alpha titanium alloys. |
| Thermal Properties | Metric | English | Comments |
| CTE, linear |
10.6 µm/m-°C @Temperature 20.0 - 200 °C |
5.89 µin/in-°F @Temperature 68.0 - 392 °F |
|
|
10.9 µm/m-°C @Temperature 20.0 - 400 °C |
6.06 µin/in-°F @Temperature 68.0 - 752 °F |
average | |
|
11.0 µm/m-°C @Temperature 20.0 - 600 °C |
6.11 µin/in-°F @Temperature 68.0 - 1110 °F |
average | |
|
11.3 µm/m-°C @Temperature 20.0 - 1000 °C |
6.28 µin/in-°F @Temperature 68.0 - 1830 °F |
||
| Specific Heat Capacity | 0.525 J/g-°C | 0.125 BTU/lb-°F | Typical value for titanium alloys. |
| Thermal Conductivity | 7.00 W/m-K | 48.6 BTU-in/hr-ft²-°F | Estimated from similar titanium alloys. |
| Beta Transus | 1045 °C | 1913 °F | |
| Component Elements Properties | Metric | English | Comments |
| Aluminum, Al | 5.80 % | 5.80 % | |
| Molybdenum, Mo | 0.50 % | 0.50 % | |
| Niobium, Nb (Columbium, Cb) | 0.70 % | 0.70 % | |
| Silicon, Si | 0.35 % | 0.35 % | |
| Tin, Sn | 4.0 % | 4.0 % | |
| Titanium, Ti | 85.0 % | 85.0 % | |
| Zirconium, Zr | 3.50 % | 3.50 % | |
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Machining performance
Download IMI 834 the mechanical properties of the report, the report provides detailed performance analysis and application. Download >>
Principal Design Features
One of the most widely used precipitation hardening grades in the business. While soft and ductile in the solution annealed condition, it is capable of high properties with a single precipitation or aging treatment. Characterized by good corrosion resistance, high harness, toughness and strength.
Machinability
Long, gummy chips characterize this alloys machinability. It can be machined in the annealed condition, however condition H1150M will yield best results. Post machining solution treatment of parts will be required prior to final hardening if machining in this condition.
Heat Treatment
CONDITION A--Soak at 1900 F (1038 C) for 30 minutes and cool below 60 F (16 C) for complete martensite transformation. CONDITION H 950- Treat Condition A material at 900 F(482 C) for 1 hour, air cool.. CONDITION H925, H1025, H1075, H1100, H1150- Soak solution treated material for 4 hours at specified temperature, air cool, CONDITION H1150M- Soak solution treated material at 1400 F (760 C) for 2 hours, air cool, then re-heat to 1150 F (620 C) for 4 hours and air cool.
Welding
Successfully welded by common fusion and resistance methods, this alloy should not be joined by oxyacetylene welding. AWS E/ER630 filler metal is recommended if required.
Forging
Soak for 1 hour at 2150 F (1177 C) prior to forging. Do not work below 1850 F (1010 C). Post-work solution treatment is required prior to final hardening.
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