TC4 titanium alloy 
 TC4 material solid solution strengthening treatment, the small increase in intensity, also to 1100MPa, the general strength in the annealed condition 900MPa 
 ● TC4 thermal expansion coefficient: 
 TC4 titanium alloy with excellent corrosion resistance, small density, high specific strength and good toughness and weldability and a series of advantages in the aerospace, petrochemical, shipbuilding, automotive, pharmaceutical and other sectors have been successfully applied . 
 ● TC4 titanium alloy mechanical properties: 
 Tensile strength σb / MPa ≥ 895, the provisions of the residual elongation stress σr0.2/MPa ≥ 825, elongation δ5 (%) ≥ 10, Reduction of ψ (%) ≥ 25 
 ● TC4 titanium alloy density: 
 4.5 (g/cm3) Operating temperature -100 ~ 550 (℃) 
 ● TC4 titanium alloy chemical composition: 
 TC4 titanium (Ti) margin, iron (Fe) ≤ 0.30, carbon (C) ≤ 0.10, nitrogen (N) ≤ 0.05, hydrogen (H) ≤ 0.015, oxygen (O) ≤ 0.20, aluminum (Al) 5.5 ~ 6.8, vanadium (V) 3.5 ~ 4.5 [1] [2] [3] [4] 
 ● TC4 thermal expansion coefficient: 
 TC4 titanium alloy with excellent corrosion resistance, small density, high specific strength and good toughness and weldability and a series of advantages in the aerospace, petrochemical, shipbuilding, automotive, pharmaceutical and other sectors have been successfully applied . 
 ● TC4 titanium alloy mechanical properties: 
 Tensile strength σb / MPa ≥ 895, the provisions of the residual elongation stress σr0.2/MPa ≥ 825, elongation δ5 (%) ≥ 10, Reduction of ψ (%) ≥ 25 
 ● TC4 titanium alloy density: 
 4.5 (g/cm3) Operating temperature -100 ~ 550 (℃) 
 ● TC4 titanium alloy chemical composition: 
 TC4 titanium (Ti) margin, iron (Fe) ≤ 0.30, carbon (C) ≤ 0.10, nitrogen (N) ≤ 0.05, hydrogen (H) ≤ 0.015, oxygen (O) ≤ 0.20, aluminum (Al) 5.5 ~ 6.8, vanadium (V) 3.5 ~ 4.5