The exhibition of Zhengzhou Huitong forged flange 316l flange

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.

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.

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.

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.

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.

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

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.

Greater strength and corrosion resistance still mandate the use of seamless stainless steel and nickel alloy tubing for high pressure applications within the oil and gas, petrochemical, chemical, energy, and pulp and paper industries.
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

1.4529 German numeral code. Is a super duplex stainless steel, the main components: 20Cr-25Ni-6Mo-1Cu-0.2N corresponding to the United States: N08926, 254SMo…
1.4529 (UNS N08926) has very high resistance to pitting and crevice corrosion in halide media and in acidic environments containing sulfur and hydrogen
It can effectively resist chloride ion stress corrosion, and also has good corrosion resistance and good stability in oxidizing and reducing media.
The mechanical properties are slightly better than 904L, and it can be used in the manufacture of pressure vessels from -196 to 400 ¡ãC.

Incoloy 925 flange provides excellent resistance to pitting and crevice corrosion.

Stainless steel 316Ti hex head bolts are typically used in areas that can withstand higher temperatures than Type 304, and their low carbon makes them resistant to carbon precipitation. However, like many stainless steels, stainless steel 316Ti hex head bolts are susceptible to warm chlorine environments and can develop pits and cracks.

ASTM A182 F321 is a forging material specification for 321 grade stainless steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service.

Neither the 316 nor the 316L are the cheapest options. The 304 and 304L are similar but less expensive. Neither are as durable as 317 and 317L, they have higher molybdenum content and better overall 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.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.54

We are experts in all kinds of stainless steel fasteners, all kinds of bolts and nuts, if you are looking for stainless steel bolts or screws or just stainless steel washers, you are in the right place. We manufacture various types of hex bolts and socket head cap screws which are ideal stainless steel bolts for motorcycles.

ASTM A 403 WP 316L is very durable across acidic and chemical toxicants. The grade has a specific thermal capacity of 500 at 20/kg K. The robust A403 WP316L module has a minimum tensile strength of 485mpa with a minimum yield strength of 170mpa and can be elongated by 40% in the system.

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.

A 254 SMO Plate Flange is a device, which is flat or circular in shape. This enables them to be connected to subsequent pipes. The surrounding area of this system has bolt holes that allow for the easy formation of tees, joints, and junctions. The SMO DIN 2.4819 Weld Neck Flange is a preferred choice in high-pressure systems. These flanges have a protruding hub, which provides support to pipes during vigorous motion.

Stainless steel 304 is a type of stainless steel that is resistant to corrosion and rusting. Stainless Steel 304 Forged Fittings are used for connecting two pipes or tubes together and can be made from a variety of metals, including copper, brass, aluminum, or stainless steel.

Incoloy 926 (N08926) nickel-based alloy contains 14.0-18.0% Cr and 24.0-26.0% Ni. It is a nickel-based alloy containing titanium and aluminum, with enough chromium to form and maintain a sufficient scale of chromium oxide to protect it under high temperature conditions.

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.

Due to its thin chemical composition, RA 253 MA is very economical compared to most heat resistant alloys. Stainless steel 253 MA fasteners have equivalent grades such as UNS S30815, standard SS 253 MA and its WERKSTOFF NR. is 1.4835. The mechanical properties in the specified limit minimum are its 2″ elongation of 40%, its ultimate tensile strength of 87,000 psi, its area reduction of 50%, and its offset yield strength of 45,000 psi.

Stainless steel 201 belongs to an austenitic grade of steel. The 201 Stainless Steel Pipe is designed with a superior composition of chromium, iron, manganese, nickel, silicon, nitrogen, and carbon. This gives the non-magnetic grade superior resistance to corrosion across stress-induced systems. 201 SS Pipe has a density of 7.86 g/cm3 and works well in low and high temperature setups.
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

Because it is easily cleaned and sanitized, stainless steel pipe is also desired for applications involving food, beverages, and pharmaceutical 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.”

With this high melting point, the flange can withstand temperatures up to 870 degrees Celsius. There are different types of flanges according to the face type. 304 stainless steel flanges are available with flat, raised and ring joints.

253 MA achieves its heat resistance properties through tightly controlled microalloy additions. Cerium combines with silicon to provide excellent oxidation resistance at temperatures up to 2000¡ãF (1093¡ãC). The combination of nitrogen, carbon and cerium provides twice the creep rupture strength of 310 and 309 stainless steels at 1600¡ãF (871¡ãC). Its 0.2% offset yield strength is characteristic within a typical range of hardness Rockwell B is Rb 90 and 0.2% offset yield strength is 45000 to 69000 psi, its 2″ elongation is 42% to 70%, ultimate Tensile strength is 90,000 to 114,000 psi.

Steel Pipe Pipe Bends can work under constant pressure due to excellent dexterity and high load-bearing capacity.

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

It is applicable in various applications like car headers, machinery parts, screws and also food handling equipment. Hot / Cold / Fabricate / Seamless / Welded / Induction

316L stainless steel possesses less carbon and molybdenum than typical 316 steel, which gives the two alloys different characteristics.

ASTM A213 TP304 Stainless Steel Seamless Pipes are manufactured in a seamless process for use in high pressure environments, stainless steel TP304 grade is the most commonly used material due to its high strength and excellent 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.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.30

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]

Steel pipes can be disintegrated on the basis of its application. Typical applications of steel pipes are in the area of water pipelines, industrial water lines, oil pipe lines, cross country pipe line, agriculture and irrigation pipes, tube lines for natural gas, chemical industries, automobile industry, construction industries and other purposes.

ASTM A453 Grade 660 is a material specification for studs, bolts, nuts and other fasteners, intended for use in high temperature bolting applications. ASTM A453 Grade 660 is classified into 4 property class namely A, B, C & D, each designated with different tensile and stress rupture properties. Grade 660 fasteners are used in bolting boilers, pressure vessels, pipeline flanges and valves, intended for high temperature service. ASTM A453 grade 660 material is chemically equivalent to ASTM B638 grade 660 stainless steel alloy, also known by alloy A286 and UNS S66286, heat treated to achieve properties defined in ASTM A453 specification.

The 304, 316 and 316L stainless steel formulations are austenitic, a term used to classify the crystal structure of the steel. The structure is achieved by heat treating at very high temperatures followed by quenching ¨C a rapid cooling process that locks the structural features in place. Austenitic formulations are stronger than martensitic or ferritic steels. Ferritic steels are magnetic, have low carbon content, and have poor 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.”
Manufacturing technique Hot rolling /Hot work ,Cold rolling
Producing Standard ASME B36.10 ASME B36.73

904L (N08904, 14539) super austenitic stainless steel contains 14.0-18.0% chromium, 24.0-26.0% nickel, 4.5% molybdenum. 904L super austenitic stainless steel is a low-carbon, high-nickel, molybdenum austenitic stainless acid-resistant steel, which is a proprietary material imported from French H¡¤S Company. It has good activation-passivation transformation ability, excellent corrosion resistance, good corrosion resistance in non-oxidizing acids such as sulfuric acid, acetic acid, formic acid, phosphoric acid, and good corrosion resistance in neutral chloride-containing media Excellent pitting corrosion resistance, as well as good crevice corrosion resistance and stress corrosion resistance. It is suitable for various concentrations of sulfuric acid below 70 ¡ãC, and has good corrosion resistance in acetic acid of any concentration and temperature under normal pressure, as well as in the mixed acid of formic acid and acetic acid.

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).

In conclusion, when looking at 304 vs 316 stainless steel, for applications that require superior corrosion resistance or water resistance, use 316 stainless steel. For other applications, 304 stainless steel will work just as well.
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 B36.71