Super Duplex Stainless Steel Pipe 2205 2507 UNS S32205 S331803 S332750 S32760

Brand Name:TOBO
Certification:ISO/PED/TUV/SGS/LR/BV
Minimum Order Quantity:1pcs
Delivery Time:25-30 days depending on quantity
Payment Terms:L/C, T/T, Western Union,
Place of Origin:China
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Location: Shanghai Shanghai China
Address: No.208,Lvdi Road,Baihe Town,Qingpu District,Shanghai,China
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Product Details

Super Duplex Stainless Steel Pipe 2205 2507 UNS S32205 S331803 S332750 S32760

Proudct information

The duplex stainless steels have a microstructure, when heat treated properly, of nearly equal proportions of austenite and ferrite. This microstructure ensures that the duplexes are much more resistant to stress corrosion cracking (SCC) than austenitic stainless steels. The specification 0.2% Proof Stress of the duplexes is more than double that of austenitic stainless steels such as the 304 types andu316L types. This often allows down gauging in the design, depending on Young’s Modulus and buckling limitations.

The microstructures inside duplex stainless steels are approximately 50 per cent austenite and 50 per cent ferrite, and consequently duplex products share the physical properties of both ferritic and austenitic grades. Duplex stainless steels are resistant to the cracking caused by chloride stress corrosion in austenitic grades, and have improved resistance to localised corrosion. This family of stainless steels has roughly twice the yield strength of their counterpart austenitic grades which means we can use it to design thinner gauge tubing. Higher hardness values provide better wear resistance for high precision tubes.
Duplex steels are easily welded and formed, similar to austenitic grades. Depending on chromium, nickel and molybdenum content, duplex stainless steels are divided into four main categories: lean duplex, duplex, super duplex and hyper duplex. This family of alloys has great advantages in both material and engineered fabrication costs.

Typical applications for this alloy group include heat exchanger tubes, umbilicals, structural tanks, pulp and paper making equipment, pipes and fittings, and seawater handling systems.


Chemical Composition :

The chemical composition of stainless steel grade Super Duplex 2205 is outlined in the following table.


ElementContent (%)
Chromium, Cr24 – 26
Nickel, Ni6 – 8
Molybdenum, Mo3 – 5
Manganese, Mn1.20 max
Silicon, Si0.80 max
Copper, Cu0.50 max
Nitrogen, N0.24 – 0.32
Phosphorous, P0.035 max
Carbon, C0.030 max
Sulfur, S0.020 max
Iron, FeBalance

Phusical Properties:

The physical properties of stainless steel grade Super Duplex 2205 are tabulated below:

PropertiesMetricImperial
Density7.8 g/cm30.281 lb/in3
Melting point1350°C2460°F

Applications:


Super Duplex 2205 is widely used in the following sectors:


Power,Marine,Chemical,Pulp and paper,Petrochemical,Water desalinization,Oil and gas production


Products made using Super Duplex 2205 include:


Fans,Wire,Fittings,Cargo tanks,Water heaters,Storage vessels,Hydraulic piping,Heat exchangers


Hot water tanks,Spiral wound gaskets,Lifting and pulley equipment,Propellers, rotors, and shafts.


Factory information

1) Company NameHunan Green & Innovative Materials Co., LTD.,
2) Business TypeManufacturer
3) Number of Employees100-150people
4)Factory Size17,400 square meters
5) Trade & MarketNorth America ,South America ,Eastern Europe ,Southeast Asia ,Eastern Europe ,Western Europe
6) Export Percentage50% - 60%
7)Application

Industrial air conditioning,heater,evaporator, condenser

car exhaust pipes,underfloor heating pipe,water pipe,oil pipe,gas pipe

8) Attentionproducts all with high quality and competitive price

Hunan Green & Innovative Materials Co., LTD., located in Gaoxi Industrial park ,louxing district ,Loudi ,Hunan Province .The main products are stainless steel straight seam welded steel pipe, corrugated pipe and efficient pitted surface pipe.

China Super Duplex Stainless Steel Pipe 2205 2507 UNS S32205 S331803 S332750 S32760 supplier

Super Duplex Stainless Steel Pipe 2205 2507 UNS S32205 S331803 S332750 S32760

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