What is the type and standard specification of titanium flange?

Titanium flanges are available in various types and standard specifications to suit different application requirements. Some common types of titanium flanges include weld neck flanges, slip-on flanges, blind flanges, socket weld flanges, and threaded flanges. These flanges come in different pressure ratings, facing types, and sizes to accommodate diverse piping systems.

The standard specifications for titanium flanges are typically governed by industry organizations such as ASTM International (American Society for Testing and Materials) and ASME (American Society of Mechanical Engineers). The most commonly used standard for titanium flanges is ASTM B381, which covers forged titanium and titanium alloy flanges for high-temperature and high-pressure applications.

Within ASTM B381, specific grades and classes of titanium flanges are defined, such as Grade 2, Grade 5 (Ti-6Al-4V), Grade 7, and Grade 12. These grades have different chemical compositions and mechanical properties, making them suitable for various environments and operating conditions.

Other relevant standards for titanium flanges may include ASTM B363 (titanium and titanium alloy fittings) and ASME B16.5 (pipe flanges and flanged fittings), which provide additional guidance on dimensions, tolerances, testing, and marking requirements.

When selecting titanium flanges, it's essential to consider factors such as the material grade, flange type, pressure rating, temperature range, and compatibility with the piping system. Consulting the appropriate standards and working with experienced suppliers can ensure the proper selection and performance of titanium flanges for specific applications.

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