TC25

Titanium

TC25

Most common two-phase titanium alloy. (GB/T 3620; equiv GB TC4 / ASTM Gr5 / AMS 4911 / DIN 3.7165). Nominal values—confirm mill certificate.

Chemical Composition (%)

AL5.5
V3.5
FE0.3

Mechanical Properties

Tensile:≥895 MPa;Yield:≥828 MPa;Elong:≥10%

Chinese Standard

T 3620 TC25

Equivalent Standards

GB TC4 / ASTM Gr5 / AMS 4911

Equivalent Grades

Use sharp, high-rake tooling and appropriate coolants; galling/adhesive wear can occur. Titanium reacts with hydrogen and chlorine — keep out of pickling/HCl environments.

Applications

最常用两相钛合金。,"Bar

Available Forms

Plate

Uses

Forging"

Heat Treatment

Titanium alloy with outstanding strength-to-weight ratio and corrosion resistance, especially in chloride environments. Used in aerospace airframes, jet engines, medical implants, marine and chemical plant.

Precautions

Solution treated 900–980 °C and aged 480–600 °C (α+β grades); anneal 700–800 °C; β-annealed for creep resistance. Keep below β-transus to avoid grain growth.

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