IMI 834 Ti Alloy

IMI 834 Ti Alloy

Our advantages

IMI 834 properties and heat treatment forged piece, Including IMI 834 application and specifications, Including IMI 834 tube plate, IMI 834 Pipe Fitting, IMI 834 flange, IMI 834 Angle Bar,IMI 834 Valve,IMI 834 3d bend.

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Introduction to Our Products:

Specialized high quality steel

We have the advantages of equipment, technologies and price

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IMI 834 has the following specifications:

Valve:
Diameter : 1mm-1300mm

Steel pipe:
Size: OD: 9.5mm - 813mm WT: 0.8mm - 34mm Length: 1 - 13m, also can be customed.

Pipe fitting:
Size: 1/8 inch - 80 inch (DN6 - DN2000) WT: Sch5s - Sch160XXS

Flange:

Length:  Any length based on the customer's requirement.

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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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MTA832 / 14142

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Machining performance

IMI 834 the mechanical properties of the report, the report provides detailed performance analysis and application.

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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.

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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.

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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.

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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.

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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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