Ti-621/0.8 Ti Alloy

Ti-621/0.8 Ti Alloy

Our advantages

Ti-621/0.8 properties and heat treatment forged piece, Including Ti-621/0.8 application and specifications, Including Ti-621/0.8 tube plate, Ti-621/0.8 Pipe Fitting, Ti-621/0.8 flange, Ti-621/0.8 Angle Bar,Ti-621/0.8 Valve,Ti-621/0.8 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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Ti-621/0.8 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 Ti-621/0.8 and Standards

Titanium Ti-6Al-2Nb-1Ta-0.8Mo (Ti-621/0.8), Alpha-Annealed
Categories: Metal; Nonferrous Metal; Titanium Alloy; Alpha/Near Alpha Titanium Alloy

Material Notes: Alpha-annealed at 870ºC. Alpha Alloy.
3 other heat treatments of this alloy are in MatWeb.

Key Words: Ti-621/0.8; UNS R56210; Ti-6211

Physical Properties Metric English Comments
Density 4.48 g/cc 0.162 lb/in³
 
Mechanical Properties Metric English Comments
Hardness, Brinell 290 290 Estimated from Rockwell C.
Hardness, Knoop 315 315 Estimated from Rockwell C.
Hardness, Rockwell C 30 30
Hardness, Vickers 304 304 Estimated from Rockwell C.
Tensile Strength, Ultimate 830 MPa 120000 psi
Tensile Strength, Yield 710 MPa 103000 psi
Elongation at Break 11.0 % 11.0 %
Reduction of Area 30.0 % 30.0 % Average of Longitudinal and Transverse
Modulus of Elasticity 115 GPa 16700 ksi Value for annealed sample in tension.
Compressive Yield Strength 790 MPa 115000 psi
Poissons Ratio 0.310 0.310
Charpy Impact 42.0 J 31.0 ft-lb V-notch
Fatigue Strength 170 MPa
@# of Cycles 1.00e+7 24700 psi
@# of Cycles 1.00e+7 Kt (stress concentration factor) = 3.0
  280 MPa
@# of Cycles 1.00e+7 40600 psi
@# of Cycles 1.00e+7 Unnotched
Fracture Toughness 99.0 MPa-m½ 90.1 ksi-in½ KIC
Shear Modulus 43.9 GPa 6370 ksi Calculated
Shear Strength 580 MPa 84100 psi Ultimate shear strength
 
Electrical Properties Metric English Comments
Electrical Resistivity 0.000160 ohm-cm 0.000160 ohm-cm
 
Thermal Properties Metric English Comments
CTE, linear 9.00 µm/m-°C
@Temperature 20.0 - 615 °C 5.00 µin/in-°F
@Temperature 68.0 - 1140 °F average
  9.20 µm/m-°C
@Temperature 20.0 - 93.0 °C 5.11 µin/in-°F
@Temperature 68.0 - 199 °F
Specific Heat Capacity 0.552 J/g-°C 0.132 BTU/lb-°F
Thermal Conductivity 6.40 W/m-K 44.4 BTU-in/hr-ft²-°F
Melting Point <= 1650 °C <= 3000 °F Liquidus
Liquidus 1650 °C 3000 °F
Beta Transus 1110 °C 2030 °F
 
Component Elements Properties Metric English Comments
Aluminum, Al 6.0 % 6.0 %
Molybdenum, Mo 0.80 % 0.80 %
Niobium, Nb (Columbium, Cb) 2.0 % 2.0 %
Tantalum, Ta 1.0 % 1.0 %
Titanium, Ti 90.0 % 90.0 %

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Titanium Ti-6Al-2Nb-1Ta-1Mo, Annealed
Titanium Ti-6Al-2Nb-1Ta-0.8Mo (Ti-621/0.8), as-rolled
Titanium Ti-6Al-2Nb-1Ta-0.8Mo (Ti-621/0.8), STA-1

MTA182 / 14118

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Machining performance

Ti-621/0.8 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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