Stainless Steel ASTM A213 TP904L Seamless Tubes Dealer ASTM A312 TP904L Seamless Pipes

AL6XN is a superaustenitic stainless steel with outstanding resistance to chloride pitting, crevice corrosion and stress corrosion cracking. AL6XN is a 6 moly alloy that was developed for and is used in highly aggressive environments. It has high nickel (24%), molybdenum (6.3%), nitrogen and chromium contents that give it excellent resistance to chloride stress corrosion cracking, chloride pitting, and exceptional general corrosion resistance. AL6XN is primarily used for its improved pitting and crevice corrosion resistance in chlorides. It is a formable and weldable stainless steel.

316L 1.4401 S31603 Stainless Steel Pipe is a highly versatile and durable pipe option commonly used in a wide range of industrial and commercial applications. This SS UNS S31603 pipe is made from high quality 316L stainless steel with excellent resistance to corrosion, oxidation and staining, making it ideal for harsh environments or high stress applications.

The 316 stainless steel pipe has become an indispensable material for the industrial sector. This alloy of iron and chrome is recognized for its high resistance to corrosion, as well as its durability. 316 stainless steel tubing can be produced in both seamless and welded tubes to meet specific customer needs.

UNS N08367 also commonly referred to as alloy AL6XN is a low carbon, high purity, nitrogen-bearing “super-austenitic” nickel-molybdenum alloy with excellent resistance to chloride pitting and crevice corrosion.

SMO 254 Pipes can withstand high mechanical stress and Alloy 254 SMO Pipe high pressure work in high temperatures and corrosive environments.

S31803 is the Unified Numbering System (UNS) designation for the original duplex stainless steel. The UNS system was created by multiple trade groups in the 1970s to reduce confusion when the same alloy was called different things, and vice versa. Each metal is represented by a letter followed by five numbers, where the letter represents the metal series, i.e. S for stainless steel.

For paper mill applications requiring lower alloy grades that do not have sufficient corrosion resistance. Based on a 22% chromium content, they have a combined austenitic:ferritic microstructure that provides greater strength, corrosion resistance and cost-effectiveness.

The UNS S31803 (ASTM F51) specification has been largely superseded by UNS S32205 (1.4462, ASTM F60). This reflects their desire to maximize the alloy’s corrosion properties, thanks to the development of the AOD steelmaking process, which allows for tighter control of composition. In addition, it allows to influence the nitrogen addition level rather than just being present as a background element. Therefore, the highest performing duplex grades seek to maximize the content of chromium (Cr), molybdenum (Mo) and nitrogen (N).

Stainless steel flanges are often used for the installation of various pipelines, especially large and long distance metal transmission pipelines. Flanges are used for long-term pipelines.

Cold working operations will increase the strength and hardness of these stainless steel 316L eyeglass blind flanges and may make them slightly magnetic. Flanges are usually welded or threaded. Flange joints are made by bolting two flanges together with a gasket between them to provide a seal.

The A403 WP304 Elbow could be easily connected, welded and fitted to air tight qualities.Our A403 WP304 material are High Resistance to Atmospheric Corrosion And Keep From Contamination To The Internal Fluids.

Nickel makes the stainless steel easy to form and weld. They are ductile at low temperature and also can be used for high temperature. Addition of nickel makes the ordinary steel which has a ferrite-body centred cubic structure to austenitic steel which has face centred cubic structure.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

The flange is second most used joining method after selding. Flanges are used when joints need dismantling. It provides flexibility for maintenance. Flange connects the pipe with various equipment and valves. Breakup flanges are added in the pipeline system if regular maintenance in required during plant operation.
A flanged joint is composed of three separate and independent although interrdlated components; the flanges, the gaskets, and the bolting; which are assembled by yet another influence, the fitter. Special controls are required in the selection and application of all there elements to attain a joint, which has acceptable leak tightness.
A flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength (as the flange of an iron beam such as an I-beam or a T-beam); for easy attachment/transfer of contact force with another object (as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera); or for stabilizing and guiding the movements of a machine or its parts (as the inside flange of a rail car or tram wheel, which keep the wheels from running off the rails). The term “flange” is also used for a kind of tool used to form flanges.

When the chromium content of the alloy is below a minimum of 12%, for example in the aerospace industry, the term “corrosion resistant steel” is used. Stainless steel comes in different grades and surface finishes, depending on where it is used.

These added resistances also help take the guesswork out of cleaning, allowing you to use stronger cleaners and cleaners to clean stainless steel more frequently without worrying about damaging or changing the appearance of your stainless steel.
This makes the 316 an ideal upgrade for environments with stringent hygiene and cleanliness standards.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.63

To make the structure and composition of stainless steel castings uniform, which is especially important for raw materials, because the casting temperature and cooling rate are not the same, resulting in inconsistent microstructure. With high temperatures, the atomic activity intensifies and the ¦Ò phase dissolves, and its chemical composition tends to be uniform. A uniform single-phase structure is obtained after cooling quickly .

309 stainless steel is a type of austenitic stainless steel that is often used in high-temperature applications due to its excellent heat resistance. SA240 309 plate contains a high percentage of chromium and nickel, which gives it good corrosion resistance, as well as a high degree of strength and durability. SS 309 Strip (UNS S30900) is an austenitic stainless steel developed for use in high temperature corrosion resistance applications. The SA240 309 plate resists oxidation up to 1900°F (1038°C) under non-cyclic conditions. Frequent thermal cycling reduces oxidation resistance to approximately 1850°F (1010°C).

Alloy 310 can be used in moderately caburizing, moderately oxidizing, nitriding, cementing and thermal cycling applications when not used at the maximum service temperature.

A critique of seamless piping is that the rolling and stretching process produces an inconsistent wall thickness compared to the more precise thickness of steel sheets destined for welding.
Type “Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size “OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”

304/304L stainless steel has good cold and hot working properties, and can use a variety of cold and hot working processes to produce metallurgical products such as forgings, bars, wires, plates, strips and wires. The hot working temperature range is 900-1180 ¡æ. Cold working is relatively easy and not particularly difficult, because these two steels are easy to cold harden, and when the cold deformation is too large, intermediate annealing is required to facilitate further processing.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.22

Stainless steel has been in use for more than one hundred years.

?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.

Because stainless steel 304 pipe is an alloy with a minimum of 18% to a maximum of 20% chromium, the metal forms a self-healing, passivating oxide layer on the surface of the pipe.

There are also different standards that govern the nominal bore sizes of the flanges. The ANSI B16.5 SS 309S Blind Flange is a blind flange that is used to close a connection.

304 Stainless Steel SO Flanges are important components used in piping systems to connect two pipes, valves, or fittings together.

A flange is a ring of steel (forged, cut from plate, or rolled) designed to connect sections of pipe, or to join pipe to a pressure vessel, valve, pump or other integral flanged assembly. Flanges are joined to each other by bolts, and to the piping system by welding or threading (or loose when stub ends are used). Stainless steel flange simplified as SS flange, it refers to the flanges that made of stainless steel. Common material standards and Grades are ASTM A182 Grade F304/L and F316/L, with pressure ratings from Class 150, 300, 600 etc and to 2500. It used in more industries than carbon steel as stainless steel has better resistant performances on corrosion environment and always provides with a good appearance.

A welded ASTM A403 Stainless Steel Weld Fittings is made up of pieces of steel plates. Stainless Pipe Fittings are made up of 10% nickel and high chromium content.

SS 304, SS 304L, SS 316 and SS 316L stainless steel sheets are the most popular and economical stainless steel grades. Stainless steel 304/304L plate and stainless steel 316/316L plate as well as duplex stainless steel plate have good corrosion resistance to many chemical environments as well as marine and industrial exposures.

It has long-term resistance to most chemicals, salts and acids, and challenging environments such as marine environments.

A typical AL-6XN weld has non-uniform freeze lines and oxide islands in the weld bead. These oxide islands appear as a thin film, having a varying color with tints from gray to dark brown that adhere to the surface.

AISI 304H is readily formed and fabricated through a full range of cold working operations.

316 stainless steel is another popular stainless steel for applications requiring hardness, durability, and corrosion resistance, but it tends to have more specialized and limited uses than 304 stainless steel. The most notable property of 316 stainless steel is its extreme resistance to corrosion, especially from chloride sources such as seawater and many industrial chemicals.
Type Seamless Pipe
Seamless Tube
Welded Pipe
Welded Tube
SAW LSAW ERW EFW
Beveled End, Plain End”
Size OD: 1/2″” ~48″”
Thickness: SCH5~SCHXXS
Length :As per your requirement.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.64

254 SMo UNS S31254 super austenitic steel combines moderate tensile strength with high ductility for excellent corrosion resistance in seawater and various industrial environments. SMO 254 washer is effective against pitting, crevice corrosion and chloride stress corrosion cracking. 254 SMO washer is known for high ductility and good impact strength.

316 is a member of the 18/8 chromium nickel family of austenitic stainless steels, with an addition of 2% molybdenum for improved corrosion resistance, particularly to localised corrosion in chloride containing environments.

Stainless steel 304 pipe fittings contain both chromium 18% – 20% and nickel 8% – 10.5%. It is an austenitic stainless steel and is less electrically and thermally conductive than carbon steel. It is a component that helps in change the direction of the flow such as tees and pipe bends.

The flange is second most used joining method after selding. Flanges are used when joints need dismantling. It provides flexibility for maintenance. Flange connects the pipe with various equipment and valves. Breakup flanges are added in the pipeline system if regular maintenance in required during plant operation.
A flanged joint is composed of three separate and independent although interrdlated components; the flanges, the gaskets, and the bolting; which are assembled by yet another influence, the fitter. Special controls are required in the selection and application of all there elements to attain a joint, which has acceptable leak tightness.
A flange is a protruded ridge, lip or rim, either external or internal, that serves to increase strength (as the flange of an iron beam such as an I-beam or a T-beam); for easy attachment/transfer of contact force with another object (as the flange on the end of a pipe, steam cylinder, etc., or on the lens mount of a camera); or for stabilizing and guiding the movements of a machine or its parts (as the inside flange of a rail car or tram wheel, which keep the wheels from running off the rails). The term “flange” is also used for a kind of tool used to form flanges.

To recover the inherent corrosion resistance of stainless steel castings. The corrosion resistance of stainless steel decreases after investment casting. The corrosion resistance of stainless steel castings recovered to the optimum state after solution treatment.