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2205 Stainless Steel Bar S32205 1.4462

2205 stainless steel bar, also known as UNS S31803 or UNS S32205, is a duplex stainless steel that is highly regarded for its excellent combination of strength, corrosion resistance, and durability. The duplex structure of 2205 stainless steel, which consists of approximately equal parts austenite and ferrite, provides it with twice the yield strength of standard austenitic stainless steels like 304 and 316.

GB/T ISO ASTM TOCT DIN JIS

Composition and Characteristics

The outstanding performance of 2205 stainless steel is due to its carefully balanced chemical composition, which typically includes:

Chromium (Cr):22-23%

Nickel (Ni):4.5-6.5%

Molybdenum (Mo):3-3.5%

Manganese (Mn):2% max

Silicon (Si):1% max

Nitrogen (N):0.14-0.20%

Carbon (C):0.03% max

Phosphorus (P):0.03% max

Sulfur (S):0.02% max

This balanced composition enhances the alloy’s resistance to various forms of corrosion, particularly in chloride-rich environments. The addition of molybdenum further improves its resistance to pitting and crevice corrosion, making 2205 stainless steel bar a reliable material for use in harsh and aggressive conditions.

Key Properties

2205 stainless steel bar is known for its unique combination of properties that make it an exceptional material for demanding applications:

High Strength and Toughness:The duplex microstructure of 2205 stainless steel provides significantly higher tensile and yield strength than standard austenitic stainless steels, allowing for the use of thinner, lighter sections without sacrificing performance.

Excellent Corrosion Resistance:2205 stainless steel offers outstanding resistance to a wide range of corrosive environments, especially those rich in chlorides. It is highly resistant to stress corrosion cracking, pitting, and crevice corrosion, making it ideal for use in marine and chemical processing environments.

Good Weldability:2205 stainless steel can be readily welded using most standard welding techniques. However, careful control of heat input and interpass temperature is necessary to maintain the duplex structure and avoid embrittlement.

Long-Term Durability:The high strength and excellent corrosion resistance of 2205 stainless steel ensure long-lasting performance in harsh environments, reducing the need for frequent maintenance and repairs.

Non-Magnetic in Annealed Condition:The duplex structure results in a material that is non-magnetic when annealed, which can be advantageous in certain applications where magnetism is undesirable.

Applications of 2205 Stainless Steel Bar

2205 stainless steel bar is widely used in industries that demand materials with high strength, corrosion resistance, and durability. Common applications include:

Oil and Gas Industry:2205 stainless steel is extensively used in the oil and gas industry for components such as pipelines, pressure vessels, and heat exchangers, where its high strength and resistance to stress corrosion cracking are critical.

Chemical Processing:The material is ideal for chemical processing equipment, including reactors, tanks, and piping systems, where exposure to corrosive chemicals and chloride-containing environments is common.

Marine and Coastal Applications:2205 stainless steel bar is used in marine applications such as seawater cooling systems, desalination plants, and shipbuilding due to its excellent resistance to seawater corrosion.

Pulp and Paper Industry:The alloy’s resistance to corrosion, especially in acidic and chloride-rich environments, makes it suitable for use in the pulp and paper industry for equipment like digesters and bleaching towers.

Construction and Architecture:2205 stainless steel is also used in construction and architectural applications where both strength and corrosion resistance are required, such as in bridges, facades, and structural components.

Advantages of Choosing 2205 Stainless Steel Bar

When selecting a material for applications requiring high strength and corrosion resistance, 2205 stainless steel bar offers several significant advantages:

Superior Mechanical Properties:The duplex structure of 2205 stainless steel provides twice the yield strength of conventional austenitic stainless steels, allowing for lighter, stronger components without compromising performance.

Excellent Resistance to Corrosion:2205 stainless steel is specifically designed to withstand harsh environments, offering resistance to stress corrosion cracking, pitting, and crevice corrosion, even in chloride-rich conditions.

Long-Term Durability:The combination of high strength, toughness, and corrosion resistance ensures that components made from 2205 stainless steel have a long service life, reducing maintenance costs and downtime.

Versatility Across Applications:From oil and gas to marine environments, 2205 stainless steel bar is suitable for a wide range of demanding applications where performance and reliability are paramount.

Conclusion

2205 stainless steel bar is a high-performance material that offers an exceptional balance of strength, corrosion resistance, and durability. Whether you are working in the oil and gas industry, chemical processing, or marine applications, 2205 stainless steel bar provides the reliability and performance you need for the most challenging environments. Explore our range of 2205 stainless steel bars today and discover the ideal solution for your high-strength, corrosion-resistant needs.

Common Surfaces

Stainless Steel Standards Comparison Table

STS	USA	UNS	CHINA	EURONORM		RUSSIA	SWEDISH	JAPANESE
GRADE	AISI/ASTM	NO	GB	NO	NAME	GOST	SS	JIS
201	201	S20100	12Cr17Mn6Ni5N	1.4372	-	-	-	SUS 201
301	301	S30100	12Cr17Ni7	1.4310	X 12 CrNi 17 7	-	2331	SUS 301
303	303	S30300	1Cr18Ni9MoZr	1.4305	X 10 CrNiS 18 9	-	2346	SUS 303
304	304	S30400	06Cr18Ni9	1.4301	X 6 CrNi 18 10	08KH18N10 06KH18N11	2332	SUS 304
304L	304L	S30403	022Cr19Ni10	1.4307	X 3 CrNi 18 10	03KH18N11	2352	SUS 304L
316	316	S31600	0Cr17Ni12Mo2	1.4401	X 6 CrNiMo 17 12 2	-	2347	SUS 316
316L	316L	S31603	022Cr17Ni12Mo2	1.4404	X 3 CrNiMo 17 12 2	-	2348	SUS 316L
316Ti	316Ti	S31635	0Cr18Ni12Mo2Ti	1.4571	X 6 CrNiMoTi 17 12 2	08KH17N13M2T 10KH17N13M2T	2350	-
321	321	S32100	0Cr18Ni11Ti	1.4541/1.4878	X 6 CrNiTi 18 10	12KH18N10T	2337	SUS 321
347	347	S34709	0Cr18Ni11Nb	1.4550	X 6 CrNiNb 18 10	-	2338	SUS 347
309S	309S	S30908	0Cr23N13	1.4833	X 6 CrNi 22 13	20KH23N18	-	SUS 309S
310S	310S	S31008	06Cr25Ni20	1.4842	X 6 CrNi 25 20	20KH25N20S2	2361	SUS 310S
416	416	S41600	Y1Cr13	1.4005	X12CrS13	-	2380	SUS 416
2205	2205	S32205/S31803	00Cr22Ni5Mo3N	1.4462	X2CrNiMoN22-5-3	02Ch22N5AM2	2377	SUS 329J3L
2507	2507	S32750	00Cr25Ni7Mo4N	1.4410	X 2 CrNiMoN 25-7-4	-	-	-
904L	904L	N08904	-	1.4539	-	-	-	-
254SMO	254SMO	S31254	-	1.4547	X1CrNiMoCuN20-18-7	-	2378	-
253MA	253MA	S30815	-	1.4835	X9CrNiSiNCe21-11-2	-	2368	-
17-4PH/630	17-4PH/630	S17400	0Cr17Ni4Cu4Nb	1.4542	X5CrNiCuNb16-4	05Ch16N4D2B	-	SUS630

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