ASTM A790 UNS S31803 Duplex 2205 Seamless Pipe

The 2205 grade steel is one of the most widely used ferritic and austenitic duplex stainless steel. The standard of this grade of steel has been refined over the years creating a versatile and strong product. It is has an excellent corrosion resistance (including in seawater), it is weldable by all standard methods, and has a high heat resistance.

Duplex 2205 Pipe is part of the duplex family of steel components. The duplex is a stainless steel with a dual nature combining good features of the ferritic steel phase and the austenitic steel phase present in the metallurgic microstructure of the material. The material is categorized into three major groups; the duplex, super duplex and the lean duplex grades. There are different grades, standards and schedules of these pipes which govern the dimensions and pressure classes. The Alloy 2205 Seamless Pipes are cold drawn and has less absolute roughness. Therefore the dimensions are more precise than the Duplex SS 2205 Welded Pipes. The Duplex 2205 Seamless Pipes belongs to the duplex group of the pipes and this is the most used group. Due to the milder and balanced mechanical properties and the low cost of these pipes, they are used more than the other types. The Duplex 2205 Pipes could be used in high temperatures and pressures with mild corrosion resistance. The grading of duplex is mainly based on the addition of the alloying materials such as the chromium, molybdenum and nickel.

The Duplex 2205 Seamless Pipes are also highly resistant to chloride ion corrosion stress cracking. This property makes it a good choice for sea water and marine applications. The strength of the ASTM A790 Duplex 2205 Welded Pipes could be applied in pulp and paper industry. The applications of the 2205 Duplex Pipes vary and could be seen in the food processing equipment, chemical processing vessels and oil and gas industries as well. There are different sizes and shapes of the pipes used such as the SA 789 Alloy 2205 4 inch Pipes. Depending on the need of the application, there are different pressure classes and schedules available. The Duplex SS 2205 Schedule 40 Pipes for example has a medium range pressure containment capacity.

Duplex Steel 2205 Seamless Pipe Specifications

Chemical Formula
Iron <0.03%, Chromium 4.5-6.5%, Nickel 2.5-3.5%, Molybdenum trioxide
0.8-2.0%, Manganese <1%, Silicon <0.03%, Phosphorus <0.02%

Inventory
2205 Stainless Steel Sheet, 2205 Stainless Steel Round Bar, 2205 SS Pipe Tube & Fittings

Common Trade names
2205 Stainless, 2205 Stainless Steel

Features

• Corrosion Resistance: 2205 stainless stands-up excellently in a range of atmospheric environments even when exposed to corrosive elements, specifically to sea water.
• Heat Resistance: Generally, 2205 is not suitable for use at temperatures above 300°C as it suffers from precipitation of brittle micro-constituents.
• Avoid temperatures below -50°C because of its ductile-to-brittle-transition.
• Easy to weld with excellent weldability.
• The high strength of 2205 also makes bending and forming more difficult.

Applications
Applications can be used in chemical processing, transport, and storage for a variety of industries due to both its excellent corrosion resistance and high strength.

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Material Grade

Product Specification

Chemical Composition

We wrap the stainless steel products with anti-rust paper and steel rings to prevent damage.

 Identification labels are tagged accordingto standard specification or customer’s instructions. 

Special packing is available as per customer’s requirement.

Stainless Steel Coil Package

Stainless Steel Sheet / Stainless Steel Plate Package

Stainless Steel Strip Package

Shipment Package

Our company is based in Wuxi,  gathering city of industrial stainless steel in China.

We specialized in stainless coils, sheets and plate, stainless steel pipe and fittings, stainless steel tubes, and also aluminum products and copper products.

Our products have been highly praised by our clients from Europe, America, the Middle East, African and Southeast Asia. We will offer competitive products and comprehensive service to customers. 

Stainless Steel Grade: 201, 202, 202cu, 204, 204cu, 303, 304, 304L, 308, 308L, 309, 309s, 310, 310s, 316, 316L, 321, 347, 410, 416, 420, 430, 430F, 440, 440c,

Alloy Grade :Monel, Inconel, Hastolley, Duplex, Super Duplex, Titanium, Tantalum, High Speed Steel, Mild Steel, Aluminium, Alloy Steel, Carbon Steel, Special Nickel Alloys

In form of : Round Bars, Square Bars, Hexagonal Bars, Flat Bars, Angles, Channels, Profiles, Wires, Wire Rods, Sheets, Plates, Seamless Pipes, ERW Pipes, Flanges, Fittings,etc.

Q1: What is stainless?

A: Stainless means no marks on the steel surface, or a kind of steel that is not damaged by air or water and that does not change color, spotless, resistant to staining, rusting, the corrosive effect of chemicals.

Q2: Does stainless mean no rusting?

A: No, stainless means not easy to get stained or rusty, it has speical ability to reisist staining, rusting and corrosion.

Q3: Do you supply stainless steel sheets?

A: Yes, we supply different types of stainless steel sheets, with thickness ranges from 0.3-3.0mm. and in different finishes.

Q4: Do you accept cut to length service?

A: Of course, customer’s satisfaction is our top priority.

Q5: If i have a small order, do you accept small order?

A: Not a problem, your concern is our concern, small quantities are accepted.

Q6: How can you guarantee your product quality?

A: First, from the very start, we have already implemented a spirit to their mind, that is quality is life, our professional workers and staffs will follow up every step till the goods packed well and shipped out.

Q7: Will you pack the products?

A: Professional people do professional packing, we have different types of packing optional to customers, economic one or better one.

Q8: What do you need to know from customer before accurate quotation?

A: For an accurate quotation, we need to know grade, thickness, size, surface finish, color and quantity of your order, and also the destination of the goods. Customized product information will be needed more, like drawing, layout and plan. Then we will offer competitive quotation with the above information.

Q9: What kind of payment term you accpet?

A: We accept T/T, West union, L/C.

Q10: If this is a small order, will you delivery the goods to our agent?

A: Yes, we are born to solve problems of our customers, we will get the goods safely to your agent’s warehouse and send you the pictures.

Q11: Do you just make flat sheet? I want to make a fabrication for my new project.

A:  No, we mainly produce stainless steel flat sheet surface treatment, at the same time, we manufacture customized metal finished product as per customer’s drawing and plan, our technician will take care of the rest.

Q12: How many coutries you already exported ?
A: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Iran,
      Turkey, Jordan, etc.
Q13: How can I get some samples?
A: Small samples in store and can provide the samples for free. Catalgue is available, most
      patterns we have ready samples in stock. Customized samples will take about 5-7days.
Q14: What is the delivery ?
A: Sample order’s delivery time is 5- 7 days. Container orders are about 15-20 days.

Q15: What is the application about your Products?
A:  1.elevator door/cabin or and escalator’s side-wall.
      2.Wall cladding inside or outside meeting room/ restaurant.
      3.Facade when cladding over something, like columns in the lobby.
      4.Ceiling in the supermarket. 5.Decorative draws in some entertainment places.
Q16: How long Can You Guarantee for This Product/Finish?
A: Color guarantee for more than 10 years. Original materials quality certificate can
       be provided.