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S31803 Stainless Steel Coil F51 SUS329J3L 1.4462

s31803 stainless steel coil, also known as UNS S31803, is a duplex stainless steel grade renowned for its excellent combination of strength, corrosion resistance, and durability. As a duplex stainless steel, 31803 features a mixed microstructure of austenite and ferrite, which provides it with superior mechanical properties and resistance to various forms of corrosion, particularly stress corrosion cracking.

GB/T ISO ASTM TOCT DIN JIS

s31803 stainless steel coil is prized for several key properties that make it an exceptional material for challenging environments:

High Strength and Toughness: The duplex structure of s31803 stainless steel gives it superior tensile and yield strength compared to traditional austenitic grades, allowing for thinner, lighter components without sacrificing performance.

Excellent Corrosion Resistance: s31803 stainless steel provides outstanding resistance to a wide range of corrosive environments, particularly in chloride-rich settings. It is highly resistant to stress corrosion cracking, pitting, and crevice corrosion.

Good Weldability: s31803 stainless steel can be readily welded using most common welding techniques. However, it requires careful control of heat input and interpass temperature to maintain the duplex structure and avoid embrittlement.

Enhanced Durability: The combination of high strength and corrosion resistance ensures long-term durability, making 31803 stainless steel coil an ideal choice for components exposed to harsh conditions.

Non-Magnetic in Annealed Condition: The duplex structure of 31803 stainless steel results in a material that is non-magnetic when annealed, which can be advantageous in certain applications.

Applications of s31803 Stainless Steel Coil

Due to its exceptional strength, corrosion resistance, and durability, 31803 stainless steel coil is widely used in various demanding applications across multiple industries:

Oil and Gas Industry: s31803 stainless steel is extensively used in the oil and gas industry for components such as pipelines, pressure vessels, and heat exchangers, where resistance to stress corrosion cracking and high strength are critical.

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

Marine and Coastal Applications: 31803 stainless steel coil 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: s31803 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 s31803 Stainless Steel Coil

When selecting a material for applications requiring high strength and corrosion resistance, 31803 stainless steel coil offers several significant advantages:

Superior Mechanical Properties: The duplex structure provides twice the yield strength of conventional austenitic stainless steels, allowing for lighter, more cost-effective designs without compromising performance.

Excellent Resistance to Corrosion: s31803 stainless steel is 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 31803 stainless steel have a long service life, reducing maintenance costs and downtime.

Versatility Across Applications: From oil and gas to marine environments, 31803 stainless steel coil is suitable for a wide range of demanding applications where performance and reliability are paramount.

Conclusion

s31803 stainless steel coil 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, 31803 stainless steel coil provides the reliability and performance you need for the most challenging environments. Explore our range of 31803 stainless steel coils 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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