2205 S31803 duplex pipe high strength and excellent impact toughness

A789 UNS S31803 and UNS S32205 are two grades of duplex stainless steel that are widely used in various industrial applications. These Duplex S31803 Seamless Pipes are known for their excellent corrosion resistance, high strength, and good weldability. A789 is a specification that covers seamless and welded tubes made from duplex stainless steel.

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

ASTM A240 Type 2205 Plate is a duplex stainless steel plate that is used extensively in various industries such as chemical processing, oil and gas exploration, and marine engineering. SA 240 GR 2205 Sheet is made from grade 2205 stainless steel, which is a combination of ferritic and austenitic steel.

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 .

Super Duplex 2507 is designed to handle highly corrosive conditions and where high strength is required. The high molybdenum, chromium and nitrogen content in Super Duplex 2507 helps the material withstand pitting and crevice corrosion.

The composition of UNS S32750 super duplex steel strip contains chromium, nickel and molybdenum.

Super Duplex is used in gas and oil industry, on offshore platforms, chemical processing equipment pressure vessels and boilers, in heat exchangers.

Duplex stainless steels have a mixed microstructure of austenite and ferrite, the aim being to produce a 50/50 mix, although, in commercial alloys, the mix may be 40/60 respectively.
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.”

Seamless pipe is not as strong as Duplex SS 2205 welded pipe, but is very dimensionally accurate. Dimensional accuracy is useful in highly sensitive applications where measurement and calculation accuracy is required.
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

Duplex 2507 possesses excellent mechanical properties. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy.

Seamless Pipes also execute properties like high strength and resistance to corrosion from organic acids. Also, these Pipes can withstand inorganic acids and chloride 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.”

La tuberia soldada ASTM A790 UNS S32205 se fabrica para obtener una resistencia adicional. Los tubos soldados se laminan en caliente, mientras que los tubos sin costura se estiran en frio.Ambos pueden reforzarse aun mas mediante el trabajo en frio, pero hasta cierto punto.

Alloy 2205 Pipe has a melting point of 1350 degrees C. These pipes have a wall thickness between 0.3mm to 50mm.

Another advantage of grade 304 stainless steel bar over grade 303 is that it is slightly harder and has better corrosion resistance. Because of this, grade 304 stainless steel bar is used in large quantities in the manufacture of fasteners and fixtures such as nuts, bolts, washers, clips, fittings and clamps. Products made from grade 304 stainless steel in the fastener industry are often referred to as “A2”.

Duplex 2205 flanges combine the qualities of stress corrosion cracking resistance and high strength derived from being a ferritic alloy along with its austenitic fabrication capabilities.

Duplex 2205 is a nitrogen enhanced duplex stainless steelthat was developed to combat common corrosion problems encountered with the 300 series stainless steels. ¡°Duplex¡± describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. The structure of 2205 duplex stainless steel consists of austenite pools surrounded by a continuous ferrite phase. In the annealed condition, 2205 contains approximately 40-50% ferrite. Often referred to as the work horse grade, 2205 is the most widely used grade in the duplex family of stainless steels.
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.”

From corrosion resistance to strength, businesses around the world appreciate these properties of 2507 Super Duplex Seamless. Due to the dual microstructure phase, the weldability of this alloy is classified as good, which is why a relatively robust and durable super duplex welded pipe can be achieved.
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

A ferrous metal is one that contains iron. Therefore, stainless steels are ferrous metals as their main constituent is iron, even in the very highly alloyed grades, such as super duplex stainless steels, or super austenitic stainless steels.
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 combination of high strength, corrosion resistance and moderate weldability has many benefits but also bring disadvantages and limitations. High strength is a disadvantage when forming and machining. The higher strength also means that the metal is less ductile than austenitic grades. This means that these steels are not good when the goods being produce require any degree of complex forming. It is also worth bering in mind that evemn if the item can be formed in duplex steel greater forces are required. The metallurgy of duplex stainless steels is much more complex than for austenitic or ferritic steels whith the result that they are more complex and therefore expensive to produce. Howver the lower quantity of nickel in them as compared to austenitic grades does help to keep the cost down and reduce price volatility.
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.”

Zeron 100?contains 25% chromium and 7% nickel and 3.6% molybdenum along with copper and tungsten additions. Zeron 100 has a 50¨C50 austenitic¨Cferritic structure. It also has greater resistance to chloride pitting, crevice corrosion and stress corrosion cracking than exhibited by the standard 300 series stainless steels.

The formation of ASTM A479 duplex steel UNS S32205 tie rod consists of a pool of austenite surrounded by continuous ferrite phases. ASME SA 479 Duplex Steel UNS S31803 Tie Rods are hot worked in the temperature range of 1750¡ãF to 2100¡ãF. This is designed to reduce the depth used in fabrication, thereby reducing the weight of precise significance for items such as pressure vessels, structural functions, etc. As ASTM A479 dual phase steel for bridges, storage tanks, etc. UNS S32205 rebar has approximately twice the superior performance of SS 304 .

2205 has excellent corrosion properties, and it is well-suited to environments containing chlorides and hydrogen sulphide, for use in oil and gas extraction from sour wells, in refineries and in process solutions contaminated with chlorides.

Pipes that are used in the conveyance of such media need to be durable on account of the stress caused by the flow. Hence, many suppliers recommend using the Duplex Stainless Steel Pipe for the qualities they offer.
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.”

Duplex Steel Pipe is a metal alloy pipes that is made out of steel with different alloying elements. The name comes from the dual nature of the material.
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.”

Duplex 2205 stainless steel (ferritic and austenitic) is widely used in applications requiring good corrosion resistance and strength.

“Duplex” describes a family of stainless steels that are neither fully austenitic (like 304 stainless steel) nor pure ferritic (like 430 stainless steel). The structure of the S31803 duplex stainless steel consists of a pool of austenite surrounded by a continuous ferrite phase.
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 B36.63

2205 duplex stainless steel is more than double that of ordinary austenitic stainless steel. This characteristic allows designers to reduce weight when designing products, giving this alloy a price advantage over 316,317L.

The material is also resistant to chloride stress corrosion cracking, to erosion corrosion, to corrosion fatigue, to general corrosion in acids. This alloy has good weldability and very high mechanical strength.

Application fields of duplex stainless steel:
¡¤ Pressure vessels, high-pressure storage tanks, high-pressure pipelines, heat exchangers (chemical processing industry).
¡¤ Oil and gas pipelines, heat exchanger fittings.
¡¤ Sewage treatment system.

Combining many of the beneficial properties of ferritic and austenitic steels, 2205 is the most widely used duplex grade. Its high chromium and molybdenum conutenut gives stainless steel excellenut corrosion resistance.

Applications for duplex 1.4462 coated studs are the oil and gas industry, marine industry, chemical industry, paper and pulp industry, etc. We offer Lean Duplex and Standard Duplex in a wide selection of duplex grades. Duplex 2205 studs have specific properties for different environments. The chemical composition of the duplex 2205 material has chromium, nickel and molybdenum in the composition. Duplex 2205 studs are cost-effective and lower than other duplex grades and are in high demand.

ASTM A479 UNS S32750 / A182 F53 Stud Bolts, which is a threaded rod with two heavy hexagon nuts. In the petroleum and chemical industry, these Super Duplex ASTM A479 UNS S32750 Stud Bolts is the most common bolt used for flanged connections.

ASTM A182 UNS S32750 Flanges is the most common super duplex grade that has an enhanced pitting and crevice corrosion resistance compared with the ordinary austenitic or duplex types.

Although when the 2205 duplex stainless tubing material has been exposed to temperatures above 572¡ãF, even when the exposure is for a short period of time, the duplex 2205 seamless tube is subject to embrittlement.
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.”