TA2 (ELI) GR2鈦合金

Industrial Pure Titanium TA2

Industrial pure titanium is classified into three grades based on impurity content: TA1, TA2, and TA3. The interstitial impurity elements in these grades increase progressively, leading to a corresponding increase in mechanical strength and hardness, while plasticity and toughness decrease.

  • TA1: Best suited for applications requiring good forming performance.
  • TA2: Most commonly used in industry due to its moderate corrosion resistance and balanced mechanical properties.
  • TA3: Chosen for applications requiring higher wear resistance and strength.

Correspondence to UNS Grades

  • TA1: Corresponds to UNS Grade 1 (GR1)
  • TA2: Corresponds to UNS Grade 2 (GR2)
  • TA3: Corresponds to UNS Grade 3 (GR3)

Low-Temperature Performance

TA1 and TA2 with the following impurity levels exhibit excellent low-temperature toughness and high low-temperature strength, making them suitable for use as low-temperature structural materials at temperatures below -253°C:

  • Iron (鐵): 0.095%
  • Oxygen (氧): 0.08%
  • Hydrogen (H): 0.0009%
  • Nitrogen (n): 0.0062%

化學組成

元素TA2 Content (%)
的平衡
鐵≤0.30
C≤0.10
n≤0.05
H≤0.015
氧≤0.25

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