Duplex Stainless Steel Corrosion-manufacture,factory,supplier from China

2507 (UNS S32750) duplex stainless steel has strong strength and corrosion resistance, which is mainly used in chemical processing, petrochemical industry and subsea equipment. It has strong chloride corrosion resistance, high thermal conductivity and low coefficient of thermal expansion. The high content of chromium, molybdenum and nitrogen makes it highly resistant to patchy, crevice and general corrosion.

1. Compared with 316L and 317L austenitic stainless steel,2205 alloy has better performance in corrosion resistance and crack corrosion, it has high corrosion resistance, compared with austenite, its thermal expansion coefficient is lower, higher thermal conductivity.2. Compared with austenitic stainless steel, the compressive strength of duplex stainless steel 2205 alloy is twice that of austenitic stainless steel. Compared with 316L and 317L, the designer can reduce its weight.

Duplex stainless steel tube has good welding performance, compared with ferritic stainless steel and austenitic stainless steel, it is not like the welding heat affected zone of ferritic stainless steel, because of the severe coarsing grain and the plastic toughness is greatly reduced, nor like austenitic stainless steel, is more sensitive to welding hot crack.Because of its special advantages, duplex stainless steel is widely used in petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, papermaking machinery and other industrial fields.

The main feature is that the yield strength can reach 400-550mpa, which is 2 times of ordinary stainless steel, so it can save material and reduce the cost of equipment manufacturing.

2304 duplex stainless steel bar:Stainless steel is a production which not easy rust, acid resistance and corrosion resistance, so it is widely used in light industry, heavy industry, daily necessities and the decoration industry.

2304 Duplex Stainless Steel PlateDuplex 2304 is a 23% chromium, 4% nickel, molybdenum-free duplex stainless metal whose shape is a stability of ferritic and austenitic. It has common corrosion resistance comparable or higher than Alloys 304L and 316L however with yield energy almost double that of austenitic stainless steels.

2205 Duplex Stainless Steel BarDuplex 2205 Stainless Steel is a nitrogen-enhanced duplex used in purposes requiring excessive electricity and magnificent corrosion resistance. It is designed to mix accelerated resistance to stress corrosion cracking, pitting and crevice corrosion.

Duplex 2507 Stainless Steel PlateAlloy 2507 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity and a low coefficient of thermal expansion.

duplex 2205 flangesDuplex 2205 flanges are made from an austenitic-ferritic stainless steel, which was once designed to supply greater power and corrosion resistance than 300 sequence stainless steels. It helps customers to keep away from stress corrosion cracking that is normally viewed with 316 and 317.

Ha alloy, duplex stainless-steel 316 304 and different stainless steel substances, the sort of its commercial enterprise is steel plate, steel pipe, round steel, and so on., may be custom designed in keeping with patron name for processing.316 stainless steel, 18CR-12Ni-2.5Mo due to the addition of Mo, so its corrosion resistance, atmospheric corrosion resistance and high temperature strength is particularly good, can be used under harsh conditions; Excellent work hardening (no magnetic).

LDX 2101* is a duplex (austenitic-ferritic) stainless steel with relatively low contents of alloying elements. The grade has high mechanical strength, similar to that of other duplex grades. Its good corrosion resistance is on par with that of most standard stainless steel grades.

Super Duplex Steel UNS S32760 Welded Pipes are multi-purpose and possess good weldability, used widely in the offshore and marine industry for their acid corrosion resistance.S32760 Super Duplex Stainless Steel Pipes are highly alloyed with different metals and have a greater mechanical strength.

We make use of hundred percent pure raw materials for manufacturing Duplex S31803 Coils that results in the production of high quality of goods. Duplex 31803 Coils has a huge number of applications in various industries. These coils are used in the manufacturing of the piping and tubing in the oils and gas exploration industries and are also used in the manufacturing of food processing equipment.

17-4 ph Stainless Steel is a precipitation hardening martensitic stainless steel. Typical 17-4 ph usage is seen in applications requiring high strength and a modest level of corrosion resistance. Strength and toughness desired can be manipulated by temperate range in the heat treatment process.

s31803 Duplex stainless steel is a kind of  Medium alloy stainless steel,it's PREN value is 32-33, and its corrosion resistance is between AISI 316L and 6%Mo+N austenitic stainless steel.Duplex stainless steel has the characteristics of both austenitic stainless steel and ferritic stainless steel because it has austenite + ferrite dual-phase structure, and the content of the two phase structures is basically the same. The yield strength can reach 400Mpa ~ 550MPa, which is twice that of ordinary austenitic stainless steel.

The Duplex 2205 Stainless Steel Plate is 3% molybdenum, 22% chromium, 5-6% nickel alloyed stainless steel plate, with high-stress resistance characteristics, high strength, and excellent resistance to impact.Product ShowProducts DescriptionProduct Namestainless steel plateThickness0.1~150mmWidth600mm,1000mm,1219mm,1500mm,1800mm,2000mm,2500mm, 3000mm, 3500mm,etcLength2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etcStandardASTM GB/T JIS4 ASME BS DIN ENMaterial 200 series: 201/202  300 series: 301/304/304L/305/309S/310S/316/316L/316LN/316Ti/317/317L/347/347H 400 series: 405/40

2507 Super Duplex Stainless Steel BarsAlloy 2507 is a duplex stainless steel, a super duplex stainless steel composed of 25% chromium, 4% molybdenum and 7% nickel.Main components: 25Cr-7Ni-4Mo-0.27N2507 is a ferritic-austenitic (duplex) stainless steel, also called duplex stainless steel, which has excellent resistance to pitting, crevice corrosion and uniform corrosion.Application areas: pulp and paper industry, seawater desalination, flue gas purification, heat exchangers, chemical tanker piping systems, seawater systems, etc.Product Parameter：Equivalent MaterialsSAF2507, EN 1.4410, UNS S327

Super Duplex 2507 PipeSuper Duplex 2507 Pipe is a exquisite duplex cloth made steel pipe. The high-quality duplex is an alloy of chromium, molybdenum and nickel. The fabric has very excessive corrosion resistance houses and is resistant to pitting corrosion, crevice corrosion and uniform corrosion as well. The Alloy 2507 Seamless Pipes are produced via a technique referred to as the cold drawing. Cold drawn pipes are seamless or have clean surfaces. They are proper to be used in aesthetic searching and unique applications.

Duplex Steel S31803 Round Bars have high-stress corrosion cracking resistance in halide containing environments and outstanding resistance to erosion corrosion and corrosion fatigue.

Through integrated production control, stainless steel foil that is excellent in etching properties and press formability, in addition to ultimately high thickness accuracy, strength, and spring characteristics. Stainless Steel FoilStainless steel foil is produced through the highly accurate rolling of stainless steel to be as thin as 100 mm, thus it has excellent flexibility, lightweight characteristics, and corrosion resistance.

S31803 Plate S31803 Plate  is a standard duplex grade duplex stainless steel alloy. It has the microstructure of equal austenite to ferrite ratio. SA 240 UNS S31803 Sheet is a combination of reliable mechanical stability, ductility and good corrosion resistance properties.

Astm A790 Super Duplex 2507 Stainless Steel PipesProduct DescriptionThe chemical composition is :carbon C≤0.15manganese Mn≤1.25silicon Si≤1.00chromium Cr12.0~14.0nickel Ni≤0.60%phosphorus P≤0.06sulfur S≤0.15Molybdenum≤0.60%Product DescriptionProductAstm A790 Super Duplex 2507 Stainless Steel PipesSurface FinishBA, 2B, 2D, 4K, 6K, 8K, NO.4, HL, EmbossedTechniqueHot Rolled / Cold RolledStandardGB JIS ASTM ASME ENSteel Grade200 series: 201 202300 series: 301 304 304L 309 310 310s 316 316L 321400 series: 409 410 410S 420 430ColorStandard RAL color:red,bule,white,grey,brick,etc.Stock Dimension0.5mm

AISI 329 Duplex Stainless Steel Plate belongs to a specification of duplex steel grades.

Super Duplex Stainless Steel S32750 Round bars contain chromium, molybdenum and nitrogen additions that are resistant to localised corrosion, such as pitting and crevice attack. Product Parameter：Stainless Steel barMaterial200 series: 201,202,202Cu,204Cu,300 series: 301, 303/Cu, 304/L/H, 304Cu, 305, 309/S, 310/S, 316/L/H/Ti, 321/H, 347/H, 330,400 series: 409/L, 410, 416/F, 420/F, 430, 431, 440C, 441, 444, 446,600 series: 13-8ph, 15-5ph, 17-4ph, 17-7ph(630,631), 660A/B/C/D,Duplex: 2205(UNSS31803/S32205), 2507(UNSS32750), UNSS32760, 2304, LDX2101.