1.4417 Duplex Stainless Steel Pipe

• Type: Stainless Steel Pipes
• Standard: ASTM, AISI, GB, JIS, DIN, EN
• Grade: 300 Series
• Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
• Shape: Round
• Technique: Seamless/Welded
• Surface Treatment: Bright, Pickling ,Polishing,Annealing,etc.
• Place of Origin: Zhejiang China
• Alloy or Not: Is Alloy
• Delivery Time: 8-14 Days
• Model Number: 304, 304L, 201, 316, 316L, 321, 317L, 309S, 310S,
• Application: Construction, Decorative, etc.
• Welding Line Type: ERW
• Processing Service: Bending, Welding, Punching, Decoiling, Moulding, C
• Item: 304 Inox Steel Tubing Steel Pipe
• Keyword: Stainless Steel Pipe
• Length: 5.8m, 6m, 8m, 11.8m or as Required.
• Used: Production Equipment and Lines for Food, Beverages
• Transport Package: According to Customer Requirements
• Specification: OD 6mm-5000mm
• Trademark: FLK
• Origin: Wenzhou, Zhejiang, China
• HS Code: 7304419000
• Production Capacity: 5000000pieces/Year

Product Description

Product Description

The "1.4417 duplex stainless steel pipe" is a specialized type of stainless steel known for its duplex microstructure, which combines the properties of austenitic and ferritic stainless steels. Here's a detailed analysis of its characteristics and uses:

1. Material Specification - 1.4417 Duplex Stainless Steel:

   • Duplex Structure: The term "duplex" refers to the microstructure of the steel, which contains an almost equal mix of austenite and ferrite phases. This structure provides a balance of excellent mechanical properties and corrosion resistance.
   • 1.4417 Grade: This specific grade, also known as X2CrNiMoN22-5-3, includes high levels of chromium (22%), nickel (5.3%), and molybdenum (3%), which contribute to its enhanced corrosion resistance, particularly against chloride and sulfuric acid environments.

2. Properties and Advantages:

   • Corrosion Resistance: 1.4417 duplex stainless steel offers superior resistance to various forms of corrosion including pitting, crevice corrosion, and stress corrosion cracking, making it highly suitable for harsh environments.
   • Strength and Durability: Duplex stainless steels are known for their high strength, which exceeds that of most standard austenitic and ferritic grades. This high strength allows for thinner wall thicknesses in pipes, which can lead to cost savings without compromising integrity.
   • Good Weldability: Despite its high alloy content, 1.4417 maintains good weldability under proper processing conditions, which is essential for creating robust and leak-proof piping systems.

3. Applications:

   • Chemical Processing Industry: Used in systems that handle aggressive chemicals such as sulfuric acid, where both corrosion resistance and strength are critical.
   • Oil and Gas Industry: Suitable for applications in offshore technology, processing equipment, and pipelines that require high strength and corrosion resistance to withstand aggressive environments.
   • Desalination Plants: Ideal for reverse osmosis plants and other saltwater handling applications where chloride-induced corrosion is a concern.
   • Pollution Control Equipment: Used in scrubbers and other systems designed to manage and treat environmental contaminants.

4. Maintenance and Care:

   • Regular Inspection: Due to its use in aggressive environments, regular inspection for signs of wear and corrosion is recommended to maintain the integrity of the piping system.
   • Cleaning Practices: Proper cleaning and maintenance practices are crucial to avoid the buildup of corrosive substances that can degrade the material over time.

In summary, the "1.4417 duplex stainless steel pipe" is an advanced engineering material that offers a combination of toughness, high strength, and exceptional corrosion resistance. Its robust properties make it an excellent choice for demanding applications across various industries, particularly where exposure to corrosive elements is a significant concern.

 

 

Product Parameters

1.	Item	Duplex Stainless steel pipe/Duplex Stainless steel tube 1.4417 duplex stainless steel pipe
2.	Material	S31500,S31803,S32900,S31260,S32750,S32550,W-Nr 1.4462, W-Nr 1.4417,W-Nr 1.4507,W-Nr 1.4501,W-Nr 1.4362,W-Nr 1.4410, W-Nr 1.4460, 2205,2507, 2304,etc.
3.	Specifications	Wall thickness	1.0-150mm(SCH10S-XXS)
		Outside diameter	3.0-2500mm(1/8"-100")
		Length	6m,5.8m,8m,11.8m,12m or as required.
4.	Surface	Pickling, annealing, polishing, bright, sand blast, hair line, etc.
5.	Price Term	Ex-work, FOB, CFR, CIF, or as required.
6.	Payment Term	T/T, L/C, Western Union.
7.	MOQ	500kg
8.	Delivery Time	Prompt delivery or according to order's quantity.
9.	Package	Export standard package: bundled wooden box, suit for all kinds of transport, or be required.

Chemical Composition

 

Steel Grade	C≤	Mn≤	Si≤	S≤	P≤	Cr	Ni	Mo	Cu≤	N
S32750((2507) 00Cr22Ni7Mo4N	0.03	1.20	0.80	0.020	0.035	24.0/ 26.0	6.0/ 8.0	3.0/ 5.0	0.50	0.24/ 0.32
S31803(2205) 00Cr22Ni5Mo3N	0.03	2.00	1.0	0.02	0.030	21.0/ 23.0	4.50/ 6.50	2.50/ 3.50		0.08/ 0.20
S31500(3RE60) 00Cr18Ni5Mo3Si2	0.03	1.2/ 2.00	1. 4/ 2.00	0.030	0.030	18.0/ 19.0	4.25/ 5.25	2.50/ 2.00		0.05/ 0.10

Steel Grade	Heat TreatmentºC	Ab(MPa)≥	As(MPa)≥	EL≥	HB	HRC
S32750(2507) 00Cr22Ni5Mo3N	1025-1125	800	550	15	310	32
S31803(2205) 00Cr22Ni5Mo3N	1020-1100	620	450	25	290	30.5
S31500(3RE60) 00Cr18Ni5Mo3Si2	980-1040	630	440	30	290	30.5

 

 

Product & Application

 

 

   Application of welded steel pipe,seamless steel pipe, cold hot rolled round pipe, and stainless steel pipe: construction material, buidlings, bridges, building decoration, chemical industry, car mainfold, water supply, petroleum pipeline, water pipe,boiler pipe, automobile pipe,hydraulic, building and equipment, pipeline