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TITANIUM GRADE 3 COMPOSITION

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Titanium CP Grade 3

Related Metals:

Allvac 55(tm)
Titan 993-Ti-grade 3(tm)
Timetal(r) 50A
RMI 55(tm)
Timetal(r) 50A(tm)                                    

Specifications:

AMS 4900
ASTM B337
ASTM B338
ASTM B381
ASTM F67
UNS R50550

Chemistry Data

Carbon

0.1 max

Hydrogen

0.015 max

Iron

0.3 max

Nitrogen

0.05 max

Oxygen

0.35 max

Titanium

Balance

General Information

Principal Design Features

This unalloyed grade offers slightly higher mechanicals when compared with Commercially Pure Grade 2 while displaying similar ductility and formability. Distributor availability of Grade 3 is a fact to be considered here, as it is less widely used than Gr


Applications

Generally used where corrosion resistance is a major design factor in chemical production components, marine and airframe applications.


Machinability

As a family, titanium and its alloys have developed a mystique as a nightmare to machine. This is simply not the case. Experienced operators have compared its characteristics to those found in 316 stainless steel. Recommended practice includes high coolan


Forming

May be hot or cold formed using hydropress, power brake, stretch or drop hammer methods. Similar in characteristics to 300 series stainless steels.


Corrosion Resistance

Highly resistant to a wide variety of oxidizing and mildly reducing environments, including chlorides.


Welding

Beta Transus (F +/- 25) 1900


Heat Treatment

Not hardenable by heat treatment.


Forging

Roughing operations can begin at 907 C (1165 F),while finishing should be performed at 843 C(1550 F).


Hot Working

Hot forming will reduce both the springback and required forming forces, and will increase the overall ductility of the material.


Cold Working

The cold work characteristics of this material is similar to that of a moderately tempered austenitic stainless steel. In multiple cold forming operations, intermediate stress relief is recommended to prevent tearing or other material damage. Post-work an


Annealing

Heat to 704 C (1300 F),hold for 2 hours follow by air cooling. For intermediate stress relieving, heat to 482-538 C(900-1000 f) and hold for 45 minutes.


Other Physical Props

Beta Transus (F +/- 25) 1690


Physical Data

Density (lb / cu. in.)

0.163

Specific Heat (Btu/lb/Deg F - [32-212 Deg F])

0.125

Electrical Resistivity (microhm-cm (at 68 Deg F))

56

Melting Point (Deg F)

3020

Thermal Conductivity

9.5

Modulus of Elasticity Tension

15

Reduction of Area

30

Mechanical Data

Form

Sheet

Condition

Test Specimen Annealed

Temper

70


Form

Sheet

Condition

Test Specimen Annealed

Temper

600

Tensile Strength

32

Yield Strength

20

Elongation

35

Reduction of Area

75


Form

Sheet

Condition

Test Specimen Annealed

Temper

800

Tensile Strength

29

Yield Strength

17

Elongation

18

Reduction of Area

75


Form

Sheet

Condition

Test Specimen Annealed

Temper

1000

Tensile Strength

22

Yield Strength

13

Elongation

33

Reduction of Area

75

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