Titanium has very good stability in organic compounds except five organic acids (formic acid, acetic acid, oxalic acid, trichloroacetic acid, and trifluoroacetic acid) at higher temperatures. Therefore, titanium is an excellent structural material in petroleum refining and petrochemical industry, and can be used to make various reactors, pressure vessels, heat exchangers, separator piping, and distillation column top condenser linings.
In oil and gas drilling and production, Britain used titanium drilling and production equipment at a depth of 600 m and 262 ° C containing 5% H2S and 25% NaCl. The former Soviet Union used titanium pumps, valves and titanium flushing equipment. In order to solve the corrosion of high temperature H2S, C02 and water vapor at 600-700atm in natural gas wellheads in China, Ti-6Al-4V valve plates, valve seats and valve stems have been used. The long-term effect is very good.
Offshore oil and gas production must withstand seawater corrosion and stress corrosion for a long time. Ti-6Al-4V is widely used in foreign countries as pillars of oil platforms, rope supports, high-pressure pumps for seawater circulation pressurization systems, risers and couplings. Because Ti-6A1-4V is not only resistant to seawater corrosion, but also has high toughness, high yield strength and high fatigue limit. Recently, titanium prestressed oil production pipe joints have been selected abroad. This joint is simple and quick to assemble, light in weight, and maintains elastic sealing. Titanium is the best material. China's offshore oil industry is entering a large-scale development stage. At present, the structural components, key components and equipment of the platform are imported from abroad, and domestic materials are rarely used. But it can be expected that titanium alloys will find a broad market here.
6al4v titanium alloy bar grade 12 titanium tube grade 5 titanium sheet titanium block
In oil and gas drilling and production, Britain used titanium drilling and production equipment at a depth of 600 m and 262 ° C containing 5% H2S and 25% NaCl. The former Soviet Union used titanium pumps, valves and titanium flushing equipment. In order to solve the corrosion of high temperature H2S, C02 and water vapor at 600-700atm in natural gas wellheads in China, Ti-6Al-4V valve plates, valve seats and valve stems have been used. The long-term effect is very good.
Offshore oil and gas production must withstand seawater corrosion and stress corrosion for a long time. Ti-6Al-4V is widely used in foreign countries as pillars of oil platforms, rope supports, high-pressure pumps for seawater circulation pressurization systems, risers and couplings. Because Ti-6A1-4V is not only resistant to seawater corrosion, but also has high toughness, high yield strength and high fatigue limit. Recently, titanium prestressed oil production pipe joints have been selected abroad. This joint is simple and quick to assemble, light in weight, and maintains elastic sealing. Titanium is the best material. China's offshore oil industry is entering a large-scale development stage. At present, the structural components, key components and equipment of the platform are imported from abroad, and domestic materials are rarely used. But it can be expected that titanium alloys will find a broad market here.
6al4v titanium alloy bar grade 12 titanium tube grade 5 titanium sheet titanium block
没有评论:
发表评论