The exhibition of Zhengzhou Huitong pipes

Nickel based 800 Incoloy Hexagonal Pipe is known to have a good resistance to corrosion. Specifically speaking, the Incoloy 800 Pipe offers sufficient resistance against both carburization as well as oxidation corrosion.

It demonstrates good resistance to neutral and reducing environments. This alloy creates a tenacious oxide, protective film that does not spall off, but it retains superior oxidation resistance at soaring temperatures.

Nickel-copper-based alloy 400 Monel 2.4360 cold drawn rod is virtually immune to chloride stress-related corrosion cracking when exposed to corrosive media in typical environments. Monel 400 is a copper and nickel based alloy that is popular today due to its high performance. The alloy has excellent acid and alkali resistance. In addition, it has good tensile strength, ductility, excellent thermal conductivity, and can be hardened by cold work. Additionally, it can be used in applications with temperatures ranging from minus to 538 degrees Celsius.

Common Trade Names: Nickel Alloy 36, Invar 36®, Nilo 6®, Pernifer 6®
Invar 36® is a nickel-iron, low expansion alloy that contains 36% nickel, Invar 36 has a low coefficient of expansion from cryogenic temperatures to about +500°F (260°C).
Invar 36 Tube OD:0.2-6mm, WT: 0.02-2mm

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.

Inconel 600 round bar is a nickel-based alloy with benign carburization and excellent corrosion resistance at high temperatures. Inconel 600 round bars are effective against drying Cl2 and many other different gases at mild and high temperatures. Alloy 600 bar is a nickel-chromium alloy with good oxidation resistance and resistance to chloride pressure decomposition cracking, high cleanliness water corrosion and acid oxidation at elevated temperatures.

Nilo / Alloy K W.Nr.: 1.3981
UNS: K94610 ASTM F15
Fixed-expansion glass-encapsulated iron-nickel-cobalt alloys, Kovar alloys, have a linear thermal expansion coefficient similar to that of hard glass within a certain temperature range
For mating sealing with hard glass

Alloy 800 is a nickel-iron-chromium alloy with high strength and excellent resistance to oxidation and corrosion at high temperatures. ASTM B407 UNS N08800 Incoloy 800 W. Nr. 1.4876 Welded Pipe is widely used for construction of equipment requiring corrosion resistance, heat resistance, strength, and stability for service up to 1500°F (816°C).

Titanium’s density is about 60% that of stainless steel and nickel alloys, this weight saving makes it a popular choice in applications where this is critical such as aerospace.

Nilo Alloy 36, W.Nr 1.3912, Invar 36® is a nickel-iron, low controlled expansion alloy that contains 36% nickel and possesses a rate of thermal expansion approximately one-tenth that of carbon steel.
Invar 36 Specifications: UNS K93600, W.Nr 1.3912

Higher chromium, molybdenum and nitrogen content results in a Pitting Resistance Equivalent Number (PREN) > 40, providing superior pitting and crevice corrosion capabilities to austenitic and duplex stainless steels in virtually all corrosive media, and critical pitting temperature Above 50¡ãC .

It is able to withstand a wide range of oxidizing and non-oxidizing chemicals, and exhibits outstanding resistance to pitting and crevice attack in the presence of chlorides and other halides.

Nickel 200 flanges The Nickel 200 Flanges are durable, dimensionally stable, and have a fine finish. Moreover, the ASTM B564 UNS N02200 Blind Flanges are resistant to corrosion in neutral and oxidizing environments, making them perfect for use in food handling equipment.

This provides greatly enhanced resistance to sulfuric acid. It also has a high chromium content, to maximize its resistance to oxidizing chemicals and process streams contaminated with ferric ions and dissolved oxygen.

SCH40 Monel 400 Pipe is designated as Werkstoff Number 2.4360 and UNS N04400. Alloy 400 Pipe also known as Monel Alloy 400 Pipe, Monel 400 Pipe & Nickel Alloy 400 Pipe.

It is widely used in offshore oil and gas exploration/production and in heat exchangers in petrochemical/chemical processing.

Alloy 800 Weld Neck Flanges We have a strong reputation in the industry for producing high-quality flanges of different types that would suit the requirements of our clients. We manufacture Incoloy 800 Flanges which are reliable and high in quality. We use premium resources and advanced machinery for producing ASTM B564 UNS N08800 Incoloy 800 Flanges.

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.

Nickel Alloy 400 and Monel 400, also known as UNS N04400, is a ductile nickel-copper-based alloy consisting primarily of two-thirds nickel and one-third copper. Nickel Alloy 400 is known for its resistance to a variety of corrosive conditions, including alkalis (or acids), salt water, hydrofluoric acid, and sulfuric acid. Since Monel 400 or Alloy 400 is a cold worked metal, this alloy has high hardness, stiffness and strength. By cold working ASTM B164 UNS N04400 bar stock, the alloy is subjected to higher levels of mechanical stress, which in turn causes changes in the alloy’s microstructure.

Hastelloy C2000 Tubes are used in a broad range of industries including petrochemical processing, chemical processing equipment manufacturing, oil refineries and power plants.

Hastelloy Alloys Directory
The Corrosion Resistant HASTELLOY alloys are widely used by the chemical processing industries. The need for reliable performance leads to their acceptance and growth in the areas of energy, health and environmental, oil and gas, pharmaceutical and flue gas desulfurization industries.

Inconel 600 seamless tubes of standard UNS N06600 and ASTM B167 are the ones manufactured to sustain excessively high pressure and come with great warranty.

Incoloy 800H Flange We have a strong reputation in the industry for producing high-quality flanges of different types that would suit the requirements of our clients. We manufacture Incoloy 800 Flanges which are reliable and high in quality. We use premium resources and advanced machinery for producing ASTM B564 UNS N08800 Incoloy 800 Flanges.

The pipes of seamless configurations have higher load-bearing capacity and strength over other grades.

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.

Hastelloy C2000 is available in a variety of sizes and thicknesses, this type of nickel-chromium-molybdenum alloy is renowned for its superior strength and corrosion resistance.

Inconel 625 Coil is characterized by its excellent resistance to oxidation, high-temperature corrosion and fatigue. ASTM B443 UNS N06625 Inconel Plate is widely used in the aerospace, chemical processing and oil and gas industries due to its superior strength, toughness and durability even in extreme environments.

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

These salts may develop when hydrochloric acid comes in contact with iron and copper. Therefore, if this alloy is used in conjunction with iron or copper piping in a system containing hydrochloric acid, the presence of these salts could cause the alloy to fail prematurely.

Incoloy 800, 800H, and 800HT are nickel-iron-chromium alloys with good strength and excellent resistance to oxidation and carburization in high-temperature exposure.

Alloy 400 Pipe Flanges the Monel 400 Flanges shows evidence of excellent temperature. On the other hand, properties such as Strength and hardness of the Monel 400 Lap Joint Flange is only slightly diminished with regards to the other properties like ductility or impact resistance. Besides its the alloy is renowned for its toughness or impact strength properties. And therefore is very appropriately used in applications like chemical and hydro-carbon processing, heat exchangers, valves and pumps.

Alloy 317L (UNS S31703) is a low carbon corrosion resistant austenitic chromium nickel molybdenum stainless steel. High levels of these elements ensure that the alloy has chloride pitting and general corrosion resistance superior to traditional 304/304L and 316/316L grades. This alloy provides increased resistance relative to 316L in highly corrosive environments with sulfur-containing media, chlorides and other halides.

Stainless steel contains chromium which provides the properties of corrosion resistance at high temperatures. Stainless steel can withstand corrosive or chemical environments due to its smooth surface. Stainless steel products are safe for long-term use with excellent resistance of corrosion fatigue.
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.”

Nickel Alloy 718 fasteners show good resistance in acidic, alkaline and neutral salt solutions, but severe corrosion occurs in oxidizing salt solutions.

It is important that the material used for any project has the correct mechanical properties for the specific application. Heat treatment processes are often used to alter the mechanical properties of metals, and one of the more common heat treatment processes is normalizing.

Stainless Steel 904l Round Bars is the lower carbon version of Stainless Steel which has numerous beneficial properties like durability, resistance, and flexibility.

A182 F9 flanges also contain carbon, manganese, silicon, phosphorus, sulfur, molybdenum and 8% chromium in their composition. This combination provides the joint with a minimum tensile strength of 585MPa and a minimum yield strength of 380MPa.

The low carbon content of 304/304L stainless steel limits the formation of harmful carbides such that this grade is safe for most operations in welded structures, and the service temperature is limited to 800¡ãF. Both hardness and tensile strength can be increased by cold work, which can lead to slight magnetism.
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 B36.40

A320 Gr L7 studs are subject to certain mandatory mechanical tests, namely: tensile test, impact test and hardness test.

The Super Duplex 2507 Pipe is made with 25% of chromium, 4% of molybdenum, and 7% of nickel in their composition. As a result, these pipes possess superior corrosion and erosion resistance in various stress-induced environments.

Inconel is a superalloy made with high concentrations of nickel, chromium, and molybdenum.

The flange connection type usually comes with double units, with a gasket and some bolts & nuts to connect each other. (Firstly pipes are welded on the flanges, then valves and other equipment could be installed on flanges.)

When connecting these parts, put gasket in the middle of two flanges, then tightening the flange screws, so the two will be connected together tightly.

We offer a complete range of 2205 Duplex Steel Fasteners such as Bolts, Nuts, Washers, Screws, Connecting Rods and Duplex Steel Screws. We also offer super duplex fasteners in different sizes, shapes, features and thicknesses according to customer requirements.

Hastelloy C276 low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance of welded structures. This nickel alloy resists the formation of grain boundary deposits in the weld heat-affected zone, making it suitable for most chemical process applications in the as-welded state.
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

There are components of duplex 2205 fasteners available such as studs, set screws, bolts, washers and nuts. Whenever you specifically consider duplex stainless steel 2205 gaskets, it can be of great benefit for different types of critical industrial applications often found in harsh environments. Almost all types of 2205 stainless steel gaskets will provide a never-ending supply and excellent range of service for different applications such as valves or nuclear, seawater, offshore buoyancy and petrochemical, pumps, etc.

Duplex2205 washers are dual phase austentic-ferritic duplex fasteners manufactured from alloy containing chromium, nickel alloy and molybdenum with restricted carbon content and minimum PREN35, SAF2205 fasteners have excellent corrosion resistance and high strength.

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

The corrosion resistance properties of Duplex 2205 Pipe is much better as compared to alloy grade 316.

It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 ¨C 1500¡ãF (427 ¨C 816¡ãC).?

Incoloy 825 is a nickel-chromium austenitic alloy. Incoloy 825 round bars have a round cross section and are embedded with an excellent chemical composition. Alloy 825 round bars can be alloyed with copper, molybdenum, and titanium to increase resistance to corrosive and oxidizing media.

Seamless steel pipe (SMLS) is formed by drawing a solid billet over a piercing rod to create the hollow shell, without welding or seam. It is suitable for bending and flanging. The most advantage is increasing the ability of withstanding higher pressure. So it is widely used for boiler and pressure vessel, automotive area, oil well, and equipment components.
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.”

ASTM A335 P11 is part of ASTM A335, Pipe shall be suitable for bending, flanging, and similar forming operations, as well as fusion welding. The steel shall meet the requirements of chemical composition, tensile properties and hardness. Each pipe shall be hydrostatically tested. In addition, each pipe shall be inspected in accordance with the practice required for non-destructive testing.
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 B36.45

Forging is one of the oldest methods used to form metal parts, improving their mechanical properties such as fatigue, impact resistance and corrosion.

Titanium is a dimorphic element with a hexagonal form that slowly converts into a body-centered cube at an elevated temperature of 880 ?C.

Inconel 718 tubing and other nickel-based alloys are ideal for the cost-effective manufacture of pumps, valves and process control equipment in oil and gas extraction.

ASTM A182 F309H Stainless Steel Flanges products are designed and developed in accordance with international quality standards and national quality standards.

ASTM B564 UNS N04400 Pipe Flang Monel 400 is a nickel-copper alloy (about 67% Ni ¨C 23% Cu) that is resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Alloy 400 is a solid solution alloy that can only be hardened by cold working. This nickel alloy exhibits characteristics like good corrosion resistance, good weldability and high strength. A low corrosion rate in rapidly flowing brackish or seawater combined with excellent resistance to stress-corrosion cracking in most freshwaters, and its resistance to a variety of corrosive conditions led to its wide use in marine applications and other non-oxidizing chloride solutions.

Inconel 600 is a unique nickel-chromium alloy that is known for its oxidation resistance at higher temperatures. It is highly versatile and can be used in everything from cryogenics to applications that present elevated temperatures up to 2000¡ãF (1093¡ãC).