304 stainless steel pipes with elbows

Little or no attack occurs at room and elevated temperatures in dry gases, such as chlorine or hydrogen chloride. At temperatures up to 550C in these media, this alloy has been shown to be one of the most resistant of the common alloys.

For service requiring optimum creep and rupture properties, Incoloy 800H or 800 HT are used. The high contents of nickel and chromium in the alloys also give good corrosion resistance.

Customized Prefabrication Pipe Spools

Pipe welded with Flanges

Pipe welded with Fittings

Flanges welded with Fittings

Alloy B-2 has poor corrosion resistance to oxidizing environments, therefore, it is not recommended for use in oxidizing media or in the presence of iron or copper salts, which may cause rapid premature corrosion failure.

Hastelloy C-276 also has excellent resistance to pitting corrosion, stress corrosion cracking and oxidizing atmospheres, as well as excellent resistance to many different chemical environments.

The socket welded tees also make a perpendicular angle between the connected lines. They used for high-pressure applications. In opposition to the butt welded tees, the socket welded tees are utilized in applications where the radius of the pipes are generally smaller. The socket welded tees do not require the beveling process before welding. Therefore, these types of tees are favorable in some applications where branch ends must be kept in the same form before and after the welding.

Alloy 400 is low in strength in the annealed condition so, a variety of tempers may be used to increase the strength.

This nickel alloy is used from cryogenic temperatures up to long term service at 1200¡ã F.

Pipe spools are pre-fabricated to reduce field installation costs and provide higher quality in the products. They are generally flanged to obtain the connection to other spools. The spool fabrication is normally performed by special companies having the required infrastructure.

Production of caustic alkalis particularly in the presence of sulfur compounds.

A nickel alloy of this type also has great resistance to hydrochloric acid at different concentrations and temperatures.

Monel 400 is used in process vessels, heat exchanger piping, and gasoline and potable water storage tanks in the marine sector. The non-sparking properties of this alloy make it suitable for high-risk situations in the explosives industry, rockets and pulp and paper industries.

Hastelloy C-276 is the most common corrosion resistant material currently available, but it is not foolproof. Metals should not be exposed to high temperature, strong acid environment. Also, it is easier to work with cold working practices; hot working makes it easier to harden. If hot working, the temperature should be maintained between 1600¡ãF and 2250¡ãF.

Steel Pipe Spools are also referred as prefabricated components of a piping system such as pipes, flanges and pipe fittings, and they are mounted during the development before sending them to the manufacture.

The surface edges of the components must be even and the surface impurities must be removed. A beveling process is implemented for the edges of the parts. A grinding machine is employed for the beveling process. The type of grinding machines for beveling differs for stainless steel components and carbon steel components.

?The low carbon content of Alloy 317L enables it to be welded without intergranular corrosion resulting from chromium carbide precipitation enabling it to be used in the as-welded condition.

Hastelloy c-22 and c-276 are the only materials resistant to corrosion in wet chlorine, hypochlorite, and chlorine dioxide solutions, with significant resistance to high chloride solutions such as ferric and cupric chlorides. Corrosion resistance.

The pipe spools are usually applied in concrete structures to make sure the necessary fittings are in place before pouring concrete into the construction.

The specification of the flange types is done via the ASME B16.5 standards. Thus flanges are classified as; weld neck, slip-on, socket weld, lap-joint, threaded blind. The weld necked flanges are easy to recognize. A cylindrical bulge with a gradually increasing radius is connected to the main hollow part.

When selecting stainless steels that must withstand corrosive environments, austenitic stainless steels are often used.

It cannot be hardened by heat treatment;?however?the material will harden due to cold working.

Pipe spools are pre-shaped to make easier assemble using hoists, gauges and other tools for joining the parts. Pipe spools unite long pipes with flanges from the end of the long pipes so they can be bolted with each other with matching flanges.

A fit-up and welding process must be applied after the edge finish of the parts. Therefore, for stainless steel and carbon steel pipe spools, parts can be located onto steel bases or wooden bases. Furthermore, any contact possibility between carbon steel and stainless steel must be minimized.

With the addition of nitrogen as a strengthening agent, the alloy can be dual certified as Alloy 317 (UNS S31700).

Inconel 625 material has excellent strength and hardness. They have a minimum tensile strength of 120Ksi and a minimum yield strength of 60ksi. In addition to that, they can easily be stretched up to 30% and still have excellent workability.

Alloy C-276 also has excellent resistance to pitting, stress-corrosion cracking and oxidizing atmospheres up to 1900¡ãF. Alloy C-276 has exceptional resistance to a wide variety of chemical environments.

The versatility of INCONEL 600 alloy allows it to be used in a variety of applications involving temperatures ranging from cryogenic temperatures to over 2000¡ãF (1095¡ãC).

This alloy is widely used in the chemical industry for its strength and corrosion resistance. Applications include heaters, stills, bubble columns, and condensers for fatty acid processing; evaporator tubes, tube sheets, and sheeting trays for the manufacture of sodium sulfide; and equipment for processing abietic acid in pulp production.

They have good creep and oxidation resistance. Strengthening of super alloys is performed by solid-solution hardening, work hardening, and precipitation hardening methods.

Under alternating oxidizing and reducing conditions the alloy may suffer from selectiveo xidation.

Alloy K500 is refined by Electroslag Refining (ESR), ensuring the cleanest and highest quality material. This increased alloy purity limits the potential for hard non-metallic inclusions that can increase machining difficulty, machining time and ultimately lead to part failure. It also has low permeability and is non-magnetic at temperatures as low as -150¡ãF (-101¡ãC).