What is Gr12 Titanium Alloy and How Can It Benefit Your Applications?

If you're looking for a corrosion-resistant alloy that offers excellent performance in challenging environments, Gr12 titanium alloy (Ti-0.3Mo-0.8Ni) might be the ideal material for your needs. Developed to improve the crevice corrosion resistance of pure titanium, Gr12 combines molybdenum (Mo) and nickel (Ni) to deliver superior performance in harsh conditions.

Gr12 titanium alloy contains 0.3% molybdenum and 0.8% nickel. This combination enhances the alloy's strength while significantly improving its resistance to crevice corrosion, especially in high-temperature, low-pH chloride solutions or weak reducing acids. Compared to pure titanium, Gr12 shows remarkably better corrosion resistance and performs similarly to Gr7 titanium in many applications.

What makes Gr12 even more appealing is its excellent process plasticity and welding performance, making it a versatile choice for various industries, particularly the chemical industry. It can be used in the annealed state, and its main products include plates, bars, tubes, forgings and wires.

The chemical composition of Gr12 is specified as follows:

Density: 4.54 g/cm³

Elastic Modulus (Room Temperature): 103-107 GPa

Hardness: HB180-215

Phase Transition Point: 890°C ± 15°C

In terms of corrosion resistance, the addition of nickel improves Gr12's performance in hydrochloric acid solutions. However, when exposed to reducing acids, the corrosion resistance of Ti-Ni alloys tends to be lower than that of pure titanium. To counteract this, molybdenum is added to Gr12 to boost its resistance in reducing environments.

Gr12 titanium alloy is mainly developed to improve corrosion resistance in various media.Its outstanding corrosion resistance, combined with its cost-effective material properties, makes it an ideal choice for industries that require durable materials capable of withstanding harsh conditions, such as the chemical industry.

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