ASTM A312 UNS S31254 Welded and ERW Tube manufacturer in China

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.

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.

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.

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.

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.

Incoloy 925 flange is often used for marine and pump shafts or high-strength piping systems.

We consider providing the same to them in different specifications, standards, sizes, dimensions, pressures, classes. It is also fabricated and offered to the clients at custom-cut and made specifications so any special application demands can be very well satisfied.

Stainless Steel 310 Flanges are made up of a stainless steel grade that has high amounts of nickel and chromium. It is a chromium nickel alloy with 24% chromium and 19% nickel in the composition.

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.

It is common for 316 and 316L to be stocked in “Dual Certified” form – mainly in plate and pipe. These items have chemical and mechanical properties complying with both 316 and 316L specifications. Such dual certified product does not meet 316H specification and may be unacceptable for high temperature 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.”

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.

Seamless Butt Weld Fittings: 1/2¡å ¨C 10¡å, Welded Butt Weld Fittings: 1/2¡å ¨C 48¡å

The SMO 254 Spectacle Blind Flange Also- Resists Crushing In High Machine Fittings. Additionally, The 6mo Flanges Properties Includes Corrosion Resistance, Which Is Useful For Services In Corrosive Media Containing Environments.

316 stainless steel pipe bend can be used with seawater, provided precautions are taken to avoid crevice corrosion developing under sediments, precipitation and biofouling, and at designed-in crevices.

Though 310 is ideal for high temperature use, it should not be exposed to the severe thermal shock of repeated liquid quenching or where aqueous corrosive contaminants are present.

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.

Sustained or prolonged exposure of Type 316L to 800-1500¡ãF (427-816¡ãC) may be harmful. In addition, stress relief between 100-1500¡ãF (593-816¡ãC) may cause this Type of slight embrittlement.

304l stainless steel is easy to work harden. Manufacturing methods involving cold working may require an intermediate annealing stage to mitigate work hardening and avoid tearing or cracking. When fabrication is complete, a full annealing operation should be employed to reduce internal stress and optimize corrosion resistance.
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 stainless steel flange is austenitic chromium nickel stainless steel, which has good oxidation resistance and corrosion resistance. Due to the high content of chromium and nickel, it has better creep strength, can work continuously at high temperatures, and has excellent high temperature resistance.

Stainless steel pipe fittings resist corrosion from aggressive chemicals, corrosive fluids, oils and gases, and withstand pressure and high temperatures in plumbing applications and food and dairy processing. Threaded fittings have threads on both ends of the connection. The female thread is on the inside of the fitting.

Grade 310S Stainless Steel Butt Weld Pipe Fitting contains low Carbon, with higher Nickel and Chromium content curbing Hydrogen sulphide attack, which used in various industries like heat exchangers, furnace parts, shipbuilding, heat treatment baskets, condensers, offshore etc.
The fittings are shaped up and then heated to a high temperature following a rapid cooling closer to the cooling in still air. This rapid cooling adds to the strength of the Stainless Steel 310 Pipe Fittings and makes them much stronger. The SS 310S Fitting is used in industries like the sea water processing, thermal energy generation plants and much domestic piping as well. 310S SS Weld Fittings is used in different pressure classes to cope up with the pressure containment requirement of the application as well.

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 key elements in 304 are chromium and nickel, which give it excellent corrosion resistance. It has good corrosion resistance, is ductile and ductile, and has good weldability. The austenitic structure allows deep drawing without intermediate 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 B36.41

The material is high temperature resistant and used in most marine environment applications. Molybdenum content makes 316 stainless steel hex bolts resistant to chloride ion corrosion cracking.

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 Stainless Steel is the standard ¡°18/8¡± stainless steel; it is the most versatile and most widely used stainless steel, available in a wider range of products, forms and finishes than any other.
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.”

317 stainless steel, also known as UNS S31700 and grades 317, consists primarily of 18 to 20 percent chromium and 11 to 15 percent nickel, with traces of carbon, phosphorus, sulfur, silicon, and iron. ASTM A276 317 Materials It can be clearly stated that rebar is one of the core components of any manufacturing industry or any industry that relies on machinery.

Grade 304 is the standard “18/8″ stainless steel; it is the most versatile and widely used stainless steel available in a wider range of products, forms and finishes than any other. It has excellent forming and welding characteristics.
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 B36.49

304L is a variant of 304 stainless steel with a lower carbon content and is used where welding is required. The lower carbon content minimizes carbide precipitation in the heat-affected zone near the weld, which can lead to intergranular corrosion (welding corrosion) of stainless steel in some 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 B36.23

ASTM A 312 standard covers seamless steel pipe and straight-seam welded steel pipe manufactured for high-temperature and general corrosive service, it belongs to austenitic stainless steel family.
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.”

Although both of these steels are considered low carbon steel alloys, they are quite different. For example, “L” stands for “low” in 316l stainless steel, meaning the alloy has a very low carbon content. The 316l variant is also more resistant to solder corrosion and can withstand higher temperatures than the 316. This is why 316l is often used in marine and architectural projects.

Stainless Steel Pipe Bends are widely used in high-temperature applications.

UNS We offer different kinds of 304 SS flanges such as SS 304 Reducer Flange, SS 304 Slip Flange, SS 304 Orifice Flange, SS 304 Nipo-Flange, SS 304 Lose Flange, SS 304 Lap-Joint Flange and SS 304 Blind flange. We conduct thorough quality checks on our products to ensure their durability and reliability.

ASTM A269 Alloy 254 Seamless Pipe Material is a very high end austenitic stainless steel.

Stainless Steel 304 Sheet is thin layer of 304 material often up to 6mm in thickness. The sheets come in different widths and lengths. There are different standards to govern the different properties. Roopam Steel is a manufacturer of these sheets in all scales.