CP4 Titanium: AMS 4901

Titanium Grade 4 (CP-70)

The commercially pure grade 4 titanium is a great choice for the marine and aircraft construction industries because of its high strength and resistance to corrosion. At Titanium Processing Center we keep our CP4 titanium (AMS 4901) inventory updated so we can ship your materials to you on the same or the next day, whether you need it in bar, billet, wire, pipe, or other form.

There are no minimum order requirements, so we can work with you to determine your exact needs and ship the right amount for your project. We also have a skilled and experienced manufacturing division that can providing machining and fabrication services on your titanium. Get started today by contacting us and speaking to one of our representatives or by requesting a free instaQuote on your next order.

Chemical Composition (%)
(Max. values unless range is shown)
0.08 C; 0.50 FE*, 0.05 N; 0.40 O; 0.015 H
(sheet; 0.0125H (bar); 0.00100 H (billet)
MILL ANNEALED
TENSILE PROPERTIES
Guar. R.T. Min.Typical Elev. Temp. Prop.
600 F800 F1000 F
Ultimate Strength (psi)80,00044,00034,00027,000
Yield Strength (psi)0.2% offset70,00024,00021,00016,000
Elongation in 2″ (%)
Sheet > 0.025 thick
15182229
Reduction in Area (%) Bar2570/8070/8070/80
MECHANICAL PROPERTIES*Also available with 0.05 max FE for superior corrosion resistance.
Stress Rupture
in Time Shown
Stress (psi)17,000
Time (Hrs.)450
Stress and Time
to Produce Elongation
Shown (Creep)
Stress (psi)8,000
Time (Hrs.)150
Creep (%).15
Charpy V-Notch Impact (ft.-lbs.) at Room Temperature
Bend RadiusUnder 0.070″ thick2.5 X Thickness
0.070″ And Over3.0 X Thickness
Welded Bend Radius3.0 – 5.0 X Thickness
HardnessRΒ100
PHYSICAL PROPERTIES
Beta Transus (F ± 25)1740
Coefficient of Thermal Expansion (10-6in./in./F)32-2124.8
32-6005.1
32-10005.4
32-12005.6
32-15005.6
Density (lbs./cu. in.)0.163
Melting Point, Approx (F)3020
Electrical Resistivity at Room Temp. (Microhms cm)60
Modulus Elasticity – Tension (106 psi)15.1
Modulus Elasticity – Torsion (106 psi)6.5
Thermal Conductivity
(Btu/hr/sq. ft./F/ft.)
9.8 at Room Temperature
Specific Heat (Btu/lb./F) at Room Temp.0.129
WeldabilityGood
Annealing Temp. (F)Full1300°/30 Min. – 2 Hrs,; Air Cool
Stress Relief1000-1100°/30 Min.; Air Cool
Forging* Temp. (F)Blocking1600-1700°
Finishing1500-1600°
Available Mill ProductsBar, Billet, Extrusions, Plate Sheet, Strip, Wire, Pipe, Tubing
Typical ApplicationFor corrosion resistance in the chemical and marine industries;for aircraft construction.
Industry SpecificationsASTM

  • B265 Grade 4
  • B348 Grade 4
  • F67 Grade 4
  • F467 Grade 4
  • F468 Grade 4