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Super Ferritic Stainless Steel Seamless Tube--The Condenser Solution

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Super Ferritic Stainless Steel Seamless Tube--The Condenser Solution

Super Ferritic Stainless Steel Seamless Tube--The Condenser Solution
Super Ferritic Stainless Steel Seamless Tube--The Condenser Solution Super Ferritic Stainless Steel Seamless Tube--The Condenser Solution

Large Image :  Super Ferritic Stainless Steel Seamless Tube--The Condenser Solution

Product Details:
Place of Origin: Jiangsu, China
Brand Name: HAXY
Certification: BV, TUV, ISO
Model Number: UNS S44660
Wall thickness: 0.4-2.5mm
Out diameter: 12.7-38.1mm
Payment & Shipping Terms:
Minimum Order Quantity: 1 Metric Ton
Price: USD 15000~25000 per ton
Packaging Details: Wooden crate
Delivery Time: 60 days
Payment Terms: T/T, L/C
Supply Ability: 100 Metric Ton per month
Detailed Product Description

 

UNS44660 Super Ferritic  Stainless Steel Tube

The Condenser Solution

 

CORROSION RESISTANCE
Resistance to a number of strong acids was evaluated using the Materials Technology Institute of  the Chemical Process Industries procedures.

 

DESCRIPTION

The ferritic structure of S44660 stainless steel provides a high strength/low work hardening material with good ductility. These properties allow high design stress limits with good fabrication characteristics. Because of the nickel addition, S44660 has a lower ductile-to-brittle transition temperature than similar ferritic steels without nickel additions.


In Power Station Equipments, The choice ofcondenser tubes is vital to the investment and maintenance costs of the whole equipments. We are going to forecast the direction of the market of application of superferritic stainless steel tubes in condensers and analysis the advantages ofsuper ferritic stainless steel tubes compared with normal austenitic stainlesssteel tubes and titanium tubes from the aspects of chemicalcompositions,anti-corrosion capabilities, physical properties and mechanicalproperties of super ferritic stainless steel tubes.

 

Characteristics of material:

1.Super ferritic stainless steel is a kind ofalloy be used for anti-pitting corrosion,crevise corrosion and stress corrosionunder the environment of chloride.
2.It has good heat conductivities,highanti-chloridion corrosion and marine life corrosion, extremely high modulus ofelasticity,high fatigue strength and hardness impact attack resistance,coefficient of linear expansion will be the same as carbon steel and unit pricewill be equal or economic than titanium tubes.  
3.Weldability to other stainless steels
4.Compared with Titanium, No easier to havehydrogen brittleness phenomenon. 
uns s44660 chemical composition.jpg

SEAWATER CORROSION RESISTANCE

S44660 stainless steel was developed specifically to resist localized pitting and crevice corrosion in aggressive chloride
solutions, such as seawater. In comparative accelerated laboratory and crevice corrosion testing, S44660 ranks far superior to the common austenitic stainless steels such as Types 304 & 316.
TESTING RESULTS
In natural seawater at ambient temperature, several tests have shown no attack in over 10 years. Today, numerous power plant
condensers have over 25 years of exposure.  Under the same conditions, Type 316 experienced a .039 inch crevice corrosion
attack. In areas where organic pollution is present (which can decay to produce hydrogen sulfide),S44660 stainless steel resulted in significantly higher corrosion resistance than the copper alloys,such as copper-nickel.

 

Dimension of tube we provide:

OD: 12.7-38.1mm

Wall thickness: 0.4-2.5mm

Max. Length: 20 Meters

 

Standards: ASME SA268,ASME SA688,ASMESA803,ASTM A268.

This alloy is specifically designed forapplications where chloride induced pitting, crevice and stress corrosioncracking may be encountered and is used in:

1. Electric Power Plant Condensers and FeedwaterHeaters

2. BOP Exchangers 

3. Various Heat Exchangers in Chemical,Petrochemical and Refining Applications

4. Desalination Heat Exchangers 

5. Flue Gas Handling Systems

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