Industrial Products & Services : Oil & Gas : Alcoa FarReachTM Drill Pipe : Overview of Mechanical Properties

Overview of Mechanical Properties

 
Alcoa aluminum alloy drill pipe is extruded in Alcoa’s Lafayette, Indiana facility, one of the largest and most advanced extrusion mills in the world.
 
The Alcoa method of extrusion provides a variety of benefits:
  • Offers a seamless aluminum alloy tube with integral heavy ends of attachment of the tool joint
  • Body and heavy ends of each tube are extruded in one singular operation. No further upsetting is required
  • Offers very smooth internal and external surfaces, excellent concentricity, precise wall thickness, and near-perfect section shapes
 
Mechanical Properties of 2014 Aluminum Alloy Drill Pipe
Tensile Strength, minimum psi. 64,000 Yield Strength, minimum psi. 58,000 Elongation, minimum % in 2″ 7 Shear Yield Strength, minimum psi. 33,000 Brinnell Hardness, typical 135 Modulus of Elasticity, typical psi. 10.6x 10(3)

Fatigue Performance
 
Steel                                                                           Aluminum Alloy
Percentage Fatigue Life                                                  Percent Fatigue Life 2014
Expended in a 30 Foot Interval                                       Expended in a 30 Foot Interval



Scatter Bands for 2014 4-1/2 in Aluminum Drill Pipe
with 4-1/2IF Tool Joints tested at Room Temperature






Comparison of fatigue performance of Alcoa aluminum and steel drill pipe

Comparison of scatter band testing of Alcoa aluminum and steel drill pipe

Contact Information
Alcoa Oil and Gas
Alcoa Oil & Gas
25025 I-45 North, Suite 575
The Woodlands, TX 77380
United States
1 281 292 6172
1 866 385 2137
Email