Stainless Steel 304 flanges

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.

ASME B36.19M is the standard specification for stainless steel pipes, which specifies the dimensions, tolerance, and manufacturing requirements for both welded and 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.

304 Piping Spools are made of 304 Stainless Steel, a common and popular material in many industrial applications that require resistance to corrosion and oxidation. These S30400 Piping Spools are prefabricated using specialized machinery and processes, which ensure that they are highly accurate and reliable.

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

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.

ASTM A312 TP316 is a standard specification for seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipes used in high-temperature and general corrosive service applications. The 316 Seamless Industrial Steel Pipe is made from a combination of chromium, nickel, and molybdenum, which gives SS 316 Seamless Tube excellent resistance to corrosion and rust.

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.

254 SMO (1.4547) fasteners are made from a high-end stainless steel alloy developed for resistance to salt water and chloride corrosion. This 6-Moly (6% molybdenum) alloy has good localized corrosion resistance, and 254 SMO provides much higher strength than other austenitic stainless steels.

We supply ASTM A182 F11 long butt weld flanges with niobium and titanium added to the mining, construction, rail and aerospace industries for sensitization resistance and maximum strength. We closely monitor market trends and needs to invent new, sustainable and economical products that can be customized. Our products are fully certified and 100% durable.

ASTM A403 WP 347 fittings are available in a variety of sizes and configurations. Our product range includes pipe connectors, adapters, reducers, tees, elbows, and they are also available in a variety of thread types. It is designed to provide leak-free connections suitable for a variety of applications supporting today’s major industrial markets.

316 stainless steel is versatile; it not only has strong forming and welding properties, but also has the ability to fold or crimp, so it can be easily converted into a variety of applications.

SAE 304 stainless steel is the most common stainless steel. The steel contains both chromium (between 18% and 20%) and nickel (between 8% and 10.5%)[1] metals as the main non-iron constituents. It is an austenitic stainless steel. It is less electrically and thermally conductive than carbon steel. It is magnetic, but less magnetic than steel. It has a higher corrosion resistance than regular steel and is widely used because of the ease in which it is formed into various shapes.[1]

304 has good oxidation resistance in intermittent duty up to 870¡ãC and continuous duty up to 925¡ãC. However, continuous use at 425-860¡ãC is not recommended. In this case, 304L is recommended because of its resistance to carbide precipitation.

UNS NO8904, commonly known as 904L, is a low carbon high alloy austenitic stainless steel which is widely used in applications where the corrosion properties of AISI 316L and AISI 317L are not adequate.

ASTM A403 WP304 pipe fittings mean the pipe fittings which material is Wrought Austenitic Stainless grade A403 WP304,they are used for the pressure piping systems of moderate and high temperature services.

Stainless seamless tubing is the preference when critical applications call for higher working internal pressures and enhanced corrosion resistance in extreme environments.
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 B36.20

Stainless steel pipe is a hollow and longitude steel, economical steel section is circular. Stainless steel pipes have been widely used in petroleum, chemical, medical, food, light industry, equipment and structural parts, etc. Also, when torsional and torsional strength are equal, stainless steel is lighter, so it is used for equipment parts and project structures. It is also used to produce barrels and shells for various conventional weapons. This kind of pipe is divided into: stainless steel seamless pipe and stainless steel welded pipe.

Our stainless steel 309 anchor bolts offer optimum performance and robust usage, which are in compliance with the national and international standards. The dimensional accuracy of our products are highly appreciated by our clients which makes it easy to install and maintain over long periods of time.

While 300 series stainless steels are very popular, they are not universally suitable for all process piping applications. For example, even though they are corrosion resistant, 300 series formulations do not perform well in the presence of chlorides. In these cases, steels with much higher alloy contents such as molybdenum, chromium and nickel are preferred.

Components constructed under specification ASTM A182 such as 317L Stainless Steel Flanges are intended to be used for elevated temperatures. This specification takes into account various requirements that these flanges need to conform to. Usually, similar to most ASTM specifications, the ASTM A182 have to conform to both mechanical and chemistry as well as test methods

Chromium is the principal agent for conferring corrosion resistance in neutral or oxidizing environments.

Stainless steel bar offers a range of unique advantages for numerous industries and applications around the world. The advantages of stainless steel bar include long material life, corrosion resistance, attractive appearance, ease of manufacture, impact resistance and long-term value. Stainless steel is one of the most widely used metals in modern construction.

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.

HT PIPE’s 304/304L stainless steel pipe meets industry standards and specifications. Our ASTM A312 and ASME SA312 stainless steel pipe products are high quality, durable and suitable for a wide range of applications.
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 B36.29

The seamless pipe is made of stainless steel billet punching, resulting in a lot of tearing in the wall formed by extrusion. The vortex test shows that the defective rate of the sewn stainless steel pipe is usually lower than that of the seamless stainless steel tube.
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.”

316 and 316L steel plates and tubes have common properties and are often double certified, which confirms that both have properties and compositions consistent with both steel types. The Model 316H was excluded from this because, unlike the 316 and 316L, the 316H was designed to operate at higher operating temperatures.

Compared to 302, stainless steel 309 studs have a low carbon, high chromium stainless steel for cold heading, typically for hot heading of large diameter or long bolts. One of the best properties of Grade 309 is its resistance to high or elevated temperatures. Similar to grade 310, the high chromium content in stainless steel 309 gives it this heat resistance.

La tuberia 254 SMO a menudo se usa como reemplazo de componentes criticos de estructuras grandes donde el tipo 316L o 317L falla debido a picaduras o agrietamiento por corrosion bajo tension de cloruro, la tuberia 254 SMO puede soportar los mismos entornos corrosivos.

316 stainless steel has a similar chemical composition to 304, but also contains molybdenum. This addition makes it more resistant to corrosion. Like 304, the 316 formulation does not require post weld annealing. 316L stainless steel is almost the same as 316. The only difference is the carbon content. The low carbon content of 316L imparts better corrosion resistance than 316. 316L does not require post weld annealing.
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 B36.74

This is what makes 316 ss pipe an ideal grade for applications such as pumps, valves, textile and chemical equipment, pulp and paper, and marine applications.
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 B36.61

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.

Type 304L is a low carbon version of 304, it is used in heavy duty components for improved weldability. Certain products, such as plates and tubes, are available as “two-factor certified” materials to 304 and 304L standards. 304H is a high carbon content variant that can also be used at elevated temperatures.
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 B36.39

ASTM A276 Type 316Ti is a material grade specification for 316Ti stainless steel cold-worked or hot-worked bar in round, square, hexagonal, and other hot-rolled extruded shapes. Alloy 316Ti studs do show surface corrosion, usually as a brown staining, which is particularly relevant for cracks and rough surface finish. The low thermal conductivity of austenitic alloys such as 316Ti studs causes heat to concentrate on the cutting edge, which means that coolants and lubricants are required and must be used in large quantities.

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).

The Stainless Steel 304 Fittings one of the most commonly used types of pipe fittings all over the world.

Stainless steel is one of the most popular and versatile materials. Seamless stainless steel pipe is used in applications where high temperature strength and superior corrosion resistance are critical.
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 B36.20

In order to suppress the welding of carbide precipitation, 304/304L stainless steel pipes can be welded by common welding methods. Manual arc welding, the thin section size of 304 stainless steel with 0.04%-0.06% carbon can be used with Austrian 002 electrode, which will not cause intergranular corrosion after welding. For thick section rulers, keep the resistance after intergranular corrosion resistance. , should be changed to 304L stainless steel or stabilized austenitic stainless steel.
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 B36.24