China Gold Supplier For Duplex Steel Bar – S32205/ S31803 Tube, Plate, Bar – Guojin

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We stick to our enterprise spirit of Quality, Efficiency, Innovation and Integrity. We aim to create more value for our customers with our rich resources, advanced machinery, experienced workers and excellent services for Inconel 625 Tubes, Alloy 800HT Bar, UNS N08904 Plate, Seeing believes! We sincerely welcome the new clients abroad to build organization associations and also hope to consolidate the associations while using the long-established prospects.
China Gold Supplier For Duplex Steel Bar – S32205/ S31803 Tube, Plate, Bar – Guojin Detail:

Available Products

Seamless tube, Plate, Rod, Forgings, Fasteners, Pipe Fittings.

Production Standards

Product ASTM
Bars, strips and profiles A 276, A 484
Plate, Sheet and Strip A 240, A 480
Seamless and Welded Pipes A 790, A 999
Seamless and Welded Pipe Fittings A 789, A 1016
Fittings A 815, A 960
Forged or rolled pipe flanges and forged fittings A 182, A 961
Forging billets and billets A 314, A 484

Chemical Composition

%

Fe

Cr

Ni

Mo

C

Mn

Si

P

S

N

Min

Balance

22.0

4.5

3.0

0.14

Max

23.0

6.5

3.5

0.030

2.00

1.00

0.030

0.020

0.20

Physical Properties

Density 7.69 g/cm3
Melting 1385-1443℃

S32205 Material Properties

ASTM A240/A240M–01 Duplex stainless steel 2205 alloy is a duplex stainless steel composed of 22% chromium, 2.5% molybdenum and 4.5% nickel-nitrogen alloy. It has high strength, good impact toughness and good overall and local stress corrosion resistance. The yield strength of 2205 duplex stainless steel is more than double that of ordinary austenitic stainless steel. This feature allows designers to reduce weight when designing products, making this alloy more affordable than 316 and 317L. This alloy is particularly suitable for use in the -50°F/+600°F temperature range. For applications outside this temperature range, this alloy can also be considered, but there are some limitations, especially when applied to welded structures.

Advantages of S32205 Duplex Steel

1.The yield strength is more than double that of ordinary austenitic stainless steel, and it has the necessary forming requirements.
Sufficient plasticity. The wall thickness of storage tanks or pressure vessels made of duplex stainless steel is 30-50% lower than that of commonly used austenite, which is conducive to reducing costs.
2.It has excellent resistance to stress corrosion cracking. Even the duplex stainless steel with the lowest alloy content has a higher resistance to stress corrosion cracking than austenitic stainless steel, especially in the environment containing chloride ions. Stress corrosion is a prominent problem that ordinary austenitic stainless steel is difficult to solve.
3.The corrosion resistance of the most commonly used 2205 duplex stainless steel in many media is better than that of ordinary 316L austenitic stainless steel, while the super duplex stainless steel has extremely high corrosion resistance, and in some media, such as acetic acid, formic acid It can even replace high-alloy austenitic stainless steel, and even corrosion-resistant alloys.
4. It has good local corrosion resistance. Compared with austenitic stainless steel with equivalent alloy content, its wear corrosion resistance and fatigue corrosion resistance are better than austenitic stainless steel.
5. The coefficient of linear expansion is lower than that of austenitic stainless steel, which is close to that of carbon steel. It is suitable for connecting with carbon steel and has important engineering significance, such as the production of composite plates or linings.
6. Whether under dynamic load or static load conditions, it has higher energy absorption capacity than austenitic stainless steel, which has obvious advantages for structural parts to cope with sudden accidents such as collision, explosion, etc., and has practical application value.

S32205 Material Application Areas

Pressure vessels, high-pressure storage tanks, high-pressure pipes, heat exchangers (chemical processing industry).
1.Oil and gas pipelines, heat exchanger fittings.
2.Sewage treatment system.
3.Pulp and paper industry classifiers, bleaching plants, storage and treatment systems.
4.Rotary shafts, press rolls, blades, impellers, etc. in high-strength and corrosion-resistant environments.
5.Cargo boxes for ships or trucks
6.Food processing equipment


Product detail pictures:

China Gold Supplier For Duplex Steel Bar – S32205/ S31803 Tube, Plate, Bar – Guojin detail pictures

China Gold Supplier For Duplex Steel Bar – S32205/ S31803 Tube, Plate, Bar – Guojin detail pictures

China Gold Supplier For Duplex Steel Bar – S32205/ S31803 Tube, Plate, Bar – Guojin detail pictures


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To regularly increase the management program by virtue from the rule of sincerely, good religion and high quality are the base of enterprise development, we greatly absorb the essence of linked products internationally, and constantly produce new goods to satisfy the calls for of shoppers for China Gold Supplier For Duplex Steel Bar – S32205/ S31803 Tube, Plate, Bar – Guojin , The product will supply to all over the world, such as: Seychelles, Ethiopia, Pakistan, So far our products have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have 13years professional sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to offer our customers with high quality products and excellent service.
  • Hope that the company could stick to the enterprise spirit of Quality, Efficiency, Innovation and Integrity, it will be better and better in the future.
    5 Stars By Elma from Plymouth - 2017.09.26 12:12
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Joyce from Washington - 2017.11.29 11:09