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What Is the Difference Between Gr1 and Gr2 Titanium?

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suraj
What Is the Difference Between Gr1 and Gr2 Titanium?

The two most commonly used grades for titanium bars are Grade 1 and Grade 2 titanium. Even though both are commercially pure titanium, the differences in certain properties make them suitable for application. Below, let's find out what might suit your needs better, comparing the difference between Grade 1 vs. Grade 2 titanium bars.

Composition

Grade 1 titanium bars are high purity with about 99.5% of titanium and minimal amounts of other elements. This gives a product that boasts excellent ductility, superior corrosion resistance, and, therefore, is very ideal for applications where such properties must be present.


While not yet purity pure, compared to Grade 1, Grade 2 Titanium Bars have a higher content of oxygen and other alloying elements. This makes Grade 2 titanium stronger and somewhat more suitable for structural work than Grade 1.


Mechanical Properties

The greatest variations in the two titanium bars in this regard are their mechanical properties:

Grade 1 Titanium Bars:

Yield Strength: About 240 MPa (35,000 psi)

Ultimate Tensile Strength: Between 350 MPa and 50,000 psi

Elongation: Approximately 25%, with excellent ductility

Because of these reasons, Ti gr 1 bars are more often used in those applications where substantial forming and welding is expected to be done.

Grade 2 Titanium Bars:

Yield Strength: Between 275 MPa, or 40,000 psi

Ultimate Tensile Strength: Between 450 MPa or 65,000 psi

Elongation: About 20 per cent, with good ductility, but less than Grade 1.

The higher strength of Grade 2 makes it particularly suitable for applications such as aerospace components and industrial piping systems.

Corrosion Resistance

Ti 6-4 bars in both grades 1 and 2 have an excellent corrosion resistance; however, grade 1 has high performance in highly corrosive conditions. Therefore, the grade 1 bars are in high demand from chemical processing and marine industries where harsh environmental exposure is anticipated.

Conclusion

Selection of the Grade 1 and the Grade 2 titanium bars needs to be differentiated. Though titanium gr 1 bars are very high in ductility, corrosion resistance, and unmatched, the strength of the titanium gr 2 bars is enhanced for use in demanding applications.


As you source these materials, look for trusted titanium gr 1 bar stockists that can supply you with high-quality products that suit your exact specifications. Whether it is the aerospace, medical, or chemical industry, your chosen grade of titanium bar will be a defining point in the success of your application.

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