A403 WP304-S 6SCH40S TEE AISI304 0Cr18Ni9 X5Cr-Ni18

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.

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.

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.

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.

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

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.

Steel flanges provide an easy access for cleaning, inspection or modification. They usually come in round shapes but they can also come in square and rectangular forms. The flanges are joined to each other by bolting and joined to the piping system by welding or threading and are designed to the specific pressure ratings; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb and 2500lb.

A flange can be a plate for covering or closing the end of a pipe. This is called a blind flange. Thus, flanges are considered to be internal components which are used to support mechanical parts.

Alloy 317L has excellent corrosion resistance in a wide range of chemicals. It resists attack in sulfuric acid, acidic chlorine and phosphoric acid.

We stock an extensive inventory of high-quality standard and special grade of seamless stainless steel tube and welded stainless steel tubing.

316 stainless steel bolts are made of corrosion-resistant and strong austenitic stainless steel. The material is composed of chromium, nickel, molybdenum and other elements. This provides a high yield strength of 205MPa and a minimum tensile strength of up to 515MPa for 316 stainless steel bolts and nuts.

SMO 254 tube is highly alloyed and has corrosion resistance comparable to high performance austenitic steels. SMO 254 seamless pipe does not corrode, rust or get wet like regular steel.

Alloy 254 SMO or the Astm A182 F44 Material is a very high end, molybdenum and nitrogen alloyed super austenitic stainless steel. This alloy has a very low content of carbon.

Applications for ASTM a276 Grade 304l round bars must be limited to those applications that require these bars to be joined by welding and do not require excellent tensile strength properties.

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 difference between 304 and 304L stainless steel is that 304L has a .03 max carbon and is good for welding whereas 304 has a mid range level of carbon.

Stainless Steel 347 Flanges
Featuring 347 stainless steel for very good corrosion resistance, this GRAINGER APPROVED weld neck flange can be attached to a system via a circumferential weld at the neck. The welded area can be easily examined by radiography. Matched pipe and flange bore reduces turbulence and erosion inside the pipeline. Flange is excellent for use in your critical applications and is ideal for use with air, water, oil, natural gas, and steam.

The solution treatment temperature of 304/304L stainless steel pipe is 1080-1100¡æ, water cooling or air cooling. The intermediate annealing temperature of cold working is 850-970 ¡ã C, and water cooling after a certain period of time. The steel structure is austenite after solution treatment, and sometimes there is a small amount of ferrite.
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 B36.23

Stainless steel also contains varying amounts of carbon, silicon and manganese. Other elements, such as nickel and molybdenum, can be added to impart other useful properties such as enhanced formability and enhanced corrosion resistance.

Steel flanges provide an easy access for cleaning, inspection or modification. They usually come in round shapes but they can also come in square and rectangular forms. The flanges are joined to each other by bolting and joined to the piping system by welding or threading and are designed to the specific pressure ratings; 150lb, 300lb, 400lb, 600lb, 900lb, 1500lb and 2500lb.

A flange can be a plate for covering or closing the end of a pipe. This is called a blind flange. Thus, flanges are considered to be internal components which are used to support mechanical parts.

This material is widely used in large gauge welded components and weld annealing is only required when the material is used in high stress environments. Due to the material’s high corrosion resistance, 316L has a wide range of uses, especially in marine applications.

The higher nickel content than Incoloy 800, gives it improved protection against chloride-ion stress corrosion cracking. The added molybdenum and copper provides resistance to reducing chemicals.

904L washers are made of a non-stabilized low carbon high alloy austenitic stainless steel. The addition of copper to this grade gives it greatly improved resistance to strong reducing acids, particularly sulphuric acid. It is also highly resistant to chloride attack ¨C both pitting / crevice corrosion and stress corrosion cracking. This grade is non-magnetic in all conditions and has excellent weldability and formability. The austenitic structure also gives this grade excellent toughness, even down to cryogenic temperatures. Due to its intrinsic anti-corrosive properties, 904L can be made into bolts, nuts, washers, studs, socket head cap screws, as well as a wide variety of other fasteners.

The carbon content of 254SMO is very low, which means that there is very little danger of carbide precipitation caused by heating. It can pass the Strauss intergranular corrosion test (Strauss Test ASTMA262 order E) even after one hour of sensitization at 600-1000¡ãC. However, due to the high alloy steel content.

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.

304 and 316 steels are specified for applications where corrosion resistance and product purity are still important but lack the stringent requirements in pharmaceutical, semiconductor or aerospace manufacturing. Cosmetics and food and beverage processing are examples.

Stainless steel and copper are generally both ideal for indoor and outdoor applications and both hold up well over time. Stainless steel, comprises of a variety of alloys with chromium content ranging from 12 to 30 per cent, which protects it as long as the localised concentration is in excess of 12 per cent.
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.”

Stainless Steel 304 Spectacle Blind Flange, also known as a SS 304 Figure-8 Blind Flange or a paddle blind, is a special type of flange used in piping systems. SS 304 Spectacle Blind Flange is primarily used for isolating sections of a pipeline or for temporary closure during maintenance or inspection activities.

Stainless Steel Duplex 2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. It finds applications due to both excellent corrosion resistance and high strength. Duplex 2205 is a nitrogen enhanced stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steels.

One of the advantages of stainless steel over 316 stainless steel is that it is biocleaner than aluminum and copper, with biocleanability comparable to glass. The cleanability, strength and corrosion resistance of stainless steel have prompted the use of stainless steel in pharmaceutical and food processing plants.
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 B36.48

Stainless Steel 316 has excellent forming and welding characteristics.

316 stainless steel is more resistant to corrosion than 304 stainless steel, especially chlorides. This makes it a common choice for applications where marine equipment and other materials are exposed to extremely high concentrations of chlorides or other oxidizing agents. However, 304 stainless steel still has excellent corrosion resistance, so this is usually only a factor in marine environments and other high corrosion locations.
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 B36.66

It also has a high resistance to pitting in chloride solutions, a high resistance to both crevice and stress corrosion cracking. Alloy 904L performs better than other austenitic stainless steels due to the higher alloying of nickel and molybdenum.

Type 304 stainless steel is a T 300 Series Stainless Steel austenitic. It has a minimum of 18% chromium and 8% nickel, combined with a maximum of 0.08% carbon. It is defined as a Chromium-Nickel austenitic alloy.304 stainless steel is used for a variety of household and industrial applications such as food handling and processing equipment, screws,[3] machinery parts, utensils, and exhaust manifolds. 304 stainless steel is also used in the architectural field for exterior accents such as water and fire features. It is also a common coil material for vaporizers.

SS 310 Plate is a highly versatile material used in various industries. It is often utilized in high-temperature services due to its ability to resist oxidation and corrosion at extreme temperatures.

SMO 254 Flanges have great connectivity to pipes and have a long life in the refining industry for low to high-pressure applications.

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