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The application of various piping materials: oil & gas industry, power plant, offshore and marine, chemical and petrochemical, pharmaceutical industry, pulp and paper industry, food processing, solar energy, utilities (water supply, sewage treatment, natural gas transportation, heat supply, fire extinguishing system), etc.

SS 304/304L Cast Valves | Petroleum Corrosion Data

Petroleum Corrosion Resistance Data Stainless steel 304/304L cast valves denote valves with body and bonnet made of ASTM A351 Gr. CF8 or Gr. CF3 high-alloy austenitic castings. Both CF8 (304) and CF3 (304L) have the same nominal composition 18Cr-8Ni but different UNS designation, J92600 and J92500, respectively. The main difference is that CF3 has much lower carbon content. Another conventional …

Postweld Heat Treatment for ASTM A335 P11 pipes

Construction Codes & Significance Seamless pipes made of low-alloy steel ASTM A335 Grade P11 can be used for power piping (ASME B31.1) or process piping (ASME B31.3) at elevated temperatures. After joining the two ASTM A335 P11 pipes together by a welding process, postweld heat treatment (PWHT) is required. The PWHT is used to avert or relieve the detrimental effects …

ASTM A335 P11 Used for ASME B31.3 Process Piping

Allowable Stresses for ASTM A335 Gr. P11 The ASTM A335 Gr. P11 seamless pipes, with nominal chemical composition of “1.25Cr-0.5Mo” or “1.25Cr-0.5Mo-Si”, can be used for ASME B31.3 process piping. The ASME B31.3 Code has designated ASTM A335 Gr. P11 as a listed material and provided the basic allowable stresses in tension at various temperatures. Allowable stresses in shear shall …

ASTM A335 P11 Used for ASME B31.1 Power Piping

ASME B31.1 is the Code for power piping, which is typically piping typically found in electric power generating stations, in industrial and institutional plants, geothermal heating systems, and central and district heating and cooling systems. It has designated ASTM A335 Gr. P11 seamless pipes as the listed material in Table A-2. The ASTM A335 P11 has the nominal chemical composition …

ASTM A192 Tubes Used for Sugar Cane Bagasse Boilers

The cane sugar is usually extracted from sugar cane in a process that generates huge amount of bagasse. The bagasse is the dry pulpy fibrous residue that remains after sugarcane is crushed to extract their juice. So in a word, it is bio-waste. Fortunately, it can be used as a biofuel for the production of heat, energy, and electricity, and …

ASTM A179 Tubes Used for Amine Heat Exchangers & Coolers

Amine solutions are widely used in desulphurization and decarbonization process in fossil-fueled thermal plant, natural gas purification plant, coal chemical industry, and ammonia industry. The most common facilities are lean/rich amine heat exchangers and lean amine coolers, the tube pass of which is usually constructed by ASTM A179 seamless tubes. These tubes are made from ASTM A179 low carbon steel …

ASTM A178 ERW Tubes Used for HRSG

The HRSG (heat recovery steam generator) is an essential device/ system in the construction of thermal power plant. Shijiazhuang Metalsin has supplied ERW boiler tubes made of ASTM A178 Grade C to a power plant in Indonesia. The tubes are used for construction of a superheater of the HRSG system.

LPG Tanks Made from ASTM A537 Plates

ASTM A537 carbon steel pressure vessel plates are widely used in the construction of liquefied petroleum gas (LPG) storage tanks. The plates can be furnished in three classes (Class 1, Class 2, Class 3) according to different heat treatment conditions and minimum yield strength requirements. The main constituents of LPG are propane and butane, which are usually stored at the …

Supply SS316L WN Flanges to An Oil Refinery

Shijiazhuang Metalsin is proud to announce that we have supplied a batch of stainless steel 316L Class 900 welding neck flanges to Anning Oil Refinery, which is a joint venture between CNPC and Saudi Aramco. The oil refinery is located in Anning district, Kunming city, Yunnan province. The annual refining capacity is 13 million metric tons of petroleum.

The Welding of Heating Supply Pipeline

The welding of district heating pipeline. The seamless pipes are manufactured in accordance with ASTM A106 Grade B, 8″ SCH40, with polyurethane pre-insulated coating and HDPE outer protective sleeve.

The Refurbishment of Slip Expansion Joints in Line

In October, 2019, we supplied several sets of slip type expansion joints to a refurbishment project in Taiyuan city, Shanxi province. The refurbishment job was conducted on a local heating supply line, which had been in use for more than 6 years. Regular maintenance found that 2 sets of the slip expansion joints should be replaced and the other 6 …

Pipe Racks of A Brazilian Chemical Plant

The photo above provides a glance of the pipe racks of a chemical plant in Brazil. The pipe rack refers to the layout of a plurality of various pipes in confined space. A pipe rack not only include pipes and pipe fittings but also may include pipe supports, pipe anchors, and pipe guides, etc.

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