6AL-4V GR5钛合金的性能

6AL-4V GR5钛合金大多数行业中最常用的合金。6AL-4V GR5钛合金强度比商业纯钛高,但仍具有相同的刚度和大部分相同的热性能。6AL-4V GR5钛合金的最重要特征之一是它可以热处理,甚至可以焊接。无论您是在航空航天,汽车还是其他行业,这种合金都可以用于广泛的应用中。图显示了这种6AL-4V GR5钛合金的机械拉伸和物理性能。我们的一些可用的产品包括6AL-4V / 5级钛合金材以及定制产品。如果您想了解更多有关选择的信息,请立即联系我们以了解更多信息。

化学成分(%)
(最大值,除非显示范围)
0.08 C; 0.25 FE*, 0.05 N; 0.20 O;
5.50/6.75 AL; 3.5/4.5V 0.015 H (sheet);
0.0125H (bar); 0.0100 H (billet)
轧后退火
拉伸性能
Guar. R.T. Min. Typical Elev. Temp. Prop.
600 F 800 F 1000 F
极限强度 (psi) 130,000 100,000 90,000 70,000
屈服强度 (psi)0.2% offset 120,000 90,000 75,000 60,000
Elongation in 2″ (%)
Sheet > 0.025 thick
10 17 18 30
Reduction in Area (%) Bar 25 52 53 68
机械性能
Stress Rupture
in Time Shown
Stress (psi) 98,00 75,000
Time (Hrs.) 1,000 1,000
Stress and Time
to Produce Elongation
Shown (Creep)
Stress (psi) 70,000 32,000
Time (Hrs.) 1,000 1,000
Creep (%) 0.1 0.1
Charpy V-Notch Impact (ft.-lbs.) at Room Temperature 10 – 14
Bend Radius Under 0.070″ thick 4.5 X Thickness
0.070″ And Over 5.0 X Thickness
Welded Bend Radius 6.0 – 10.0 X Thickness
Hardness Rc36
合金物理性能
Beta Transus (F ± 25) 1830
Coefficient of Thermal Expansion (10-6in./in./F) 32-212 5.0
32-600 5.3
32-1000 5.6
32-1200 5.9
32-1500 6.1
Density (lbs./cu. in.) 0.160
Melting Point, Approx (F) 3200
Electrical Resistivity at Room Temp. (Microhms cm) 171
Modulus Elasticity – Tension (106 psi) 16.5
Modulus Elasticity – Torsion (106 psi) 6.1
Thermal Conductivity
(Btu/hr/sq. ft./F/ft.)
3.9 at Room Temperature
Specific Heat (Btu/lb./F) at Room Temp. 0.135
Weldability Fair
Annealing Temp. (F) Full 1300 – 1525°/15 Min. – 2 Hrs,; Air Cool
Stress Relief 900 – 1200°/1 -4 Hrs.; Air Cool
Forging* Temp. (F) Blocking 1750 – 1800°
Finishing 1650 – 1750°
Available Mill Products Bar, Billet, Extrusions, Plate Sheet, Strip, Wire
Typical Application Compressor blades, discs, rings for jet engines, aircraft components, pressure vessels, rocket engine cases;
the most versatile titanium alloy.
Industry Specifications ASTM
  • AMS 4911
  • AMS 4928
  • B265 Grade 5
  • B348 Grade 5
  • F467 Grade 5
  • F468 Grade 5

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