AN ECONOMICAL METHOD OF PRODUCING SEAMLESS TITANIUM TUBING

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AN ECONOMICAL METHOD OF PRODUCING SEAMLESS
TITANIUM TUBING

• Mitchell Z. Dziekonski
• John T. Cash
• TITANIUM ENGINEERS, INC.
• Stafford, Texas

Low-Cost Titanium Workshop December 10 11,
2003 Baltimore, MD
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TITANIUM ENGINEERS, INC. THE TIMKEN
COMPANY Exclusive and Proprietary Joint Venture
THE TIMKEN COMPANY A Major Steel Supplier to the
U.S. Armament Industry Since World War I
TITANIUM ENGINEERS, INC. Extensive Metallurgical
Titanium Expertise
Joint Venture In Place For Over 10 Years
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TITANIUM SEAMLESS TUBING

• ROTARY PIERCING CAPABILITIES

• Titanium Grades
• Size Ranges
• Process
• Advantages
• Military Projects

FUTURE DEVELOPMENTS

• Heat Treating
• Cold Pilger
• Cold Drawing - Shapes

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TITANIUM TUBING CAPABILITIES
HOT ROLLED SIZE RANGES

• Outer Diameter 1.500 13.000
• Wall Thickness 0.250 3.000

TITANIUM ALLOYS

• Alpha
• Alpha Beta
• Beta

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WE PIERCE OUR OWN TITANIUM
Pierce
Elongate
Reheat
Size
Gage
Hot Bed Cool
Reduce
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ROTARY PIERCING
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ROTARY PIERCING ADVANTAGES

• ECONOMIC
• DIMENSIONAL
• METALLURGICAL
• MACHINING

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ROTARY PIERCING TITANIUM TUBING

• ECONOMIC ADVANTAGES

• Virtually No Input Billet Preparation
• No Tooling Required
• Small Quantities
• Minimum Yield Loss
• High Production Rate

DIMENSIONAL ADVANTAGES

• Minimum Tube Clean-Up
• Guaranteed Tube Size Calculations
• Accurate Dimensional Tolerances
• Size Change Flexibility

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ROTARY PIERCING TITANIUM TUBING

• METALLURGICAL ADVANTAGES

• High Rate of Thermo-Mechanical Work
• Multi-Stage Tube Processing
• Uniform Mechanical Properties
• Rapid Production Rate

MACHINING ADVANTAGES

• Processing Based on Tubes Rotating on
  Centerline
• Each Stage Hot/Warm Processed
• Superior Straightness Characteristics
• No Residual Stresses
• Minimizes Machining Costs

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Guaranteed Tube Size
Part and processing information
Dimensions in Inches
OD ID Length Misc. OD Cleanup Misc. ID
Cleanup
4.995 4.005 7.000 0 0
Condition Hot Rolled OD Cleanup Full ID
Cleanup Full Treatment As Hot Rolled True To OD
Tube Dimensions
Min. OD Nom. OD Max. OD OD Tol.
5.066 5.094 5.122 0.028
OD Cleanup ID Cleanup OD Camber ID Camber
0.054 0.042 0.017 0.017
Min. Wall Nom. Wall Max. Wall Wall Tol.
0.574 0.621 0.667 7.500
Nominal ID 3.853 OD/Wall Ratio 8.203 Theor.
Ft. Wgt. (Lbs/Ft) 29.66
Titanium Tube Size 5.094 OD -0.028 X 0.621
Wall -7.500
4.995 OD
4.005 ID
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MACHINED COMPONENT FROM TITANIUM TUBING
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MILITARY PROJECTS

• XM777 Lightweight Howitzer
• Crusader 155 mm Self-Propelled Howitzer
• Joint Strike Fighter Refueling System
• 81 mm Lightweight Mortar

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XM777 LIGHTWEIGHT HOWITZER TITANIUM SEAMLESS TUBES
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CRUSADER PROTOTYPE TITANIUM RECOIL TUBING
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FUTURE TITANIUMTUBING DEVELOPMENTS

• HEAT TREATING
• COLD PILGER
• COLD DRAW SHAPED TUBING

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FUTURE DEVELOPMENTS
Solution Treat
Quench
Heat Treat
Temper
Cold Pilger
Cold Draw-Shapes
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HEAT TREATING

• Continuous Thermal Treatment
• Individual Tube Processing
• Uniform Mechanical Properties
• Unique Quench and Temper Capabilities

Allow Low Cost Titanium Grades to Achieve High
Strength Capability
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HEAT TREATING
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TYPICAL HEAT TREAT PROPERTIESTITANIUM SEAMLESS
TUBING
Room Temperature
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COLD PILGER TITANIUM TUBES

• Higher Tensile/Yield Strengths
• Superior Surface Conditioning
• Tight Dimensional Tolerances
• High OD/Wall Ratios Thin Wall
• Outer Diameter 4.500 10.500
• Wall Thickness 0.125 2.00

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COLD-PILGER MACHINE
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COLD-PILGER MACHINE
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COLD DRAWN SHAPED TUBING

• Input Round Titanium Tube
• Near Net Shape
• No Machining Required
• Thin Wall Shapes
• Unique Mechanical Properties

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COLD DRAWN SHAPED TUBING
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COLD DRAWN SHAPED TUBING
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SUMMARY

• Successful Joint Venture between Titanium
  Engineers, Inc. and The Timken Company for over
  ten years.
• Rotary Pierced Titanium Tubing is a successful
  merger of steel making processing and titaniums
  unique metallurgical characteristics.
• Advantages have been shown relating to economic
  and technical production of rotary pierced
  titanium seamless tubing.

For Additional Information Contact TITANIUM
ENGINEERS, INC. Phone [phone] Fax
281-265-2818 Email tiengrsjohn_at_cs.com