Wuxi Xuanyi Stainless Steel Co., Ltd. is one of the leading manufacturers and suppliers of seamless duplex stainless steel tubing for general service in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale bulk seamless duplex stainless steel tubing for general service made in China here from our factory.
General duplex stainless steel seamless tubes manufactured by Wuxi Xuanyi Stainless Steel are stainless steel pipes with dual microstructure of austenite and ferrite. Produced via seamless forming process, they combine high mechanical strength and superior corrosion resistance.
Compared with ordinary stainless steel tubes, they deliver far better resistance to pitting corrosion, crevice corrosion and stress corrosion cracking. Suitable for harsh service conditions including marine engineering, oil & gas, chemical industry, power generation and fluid transportation, they offer safe, stable and long-lasting piping solutions for all kinds of industrial projects.
Parameters
|
Product Name |
Executive Standard |
Dimension |
Steel Grade |
| Seamless Duplex Stainless Steel Tubing for General Service | ASTM A789/ A789M | OD: 19.0-60.5mm WT: 1.2-5.0mm |
S31500, S31803, S32205, S32707, S32750, S32760, S32906 |
|
Type |
Steel Grade |
|
Super Austenitic Stainless Steel |
N08904,N08367,S31254 |
|
Nickel Alloy |
N02200,N02201,N04400,N05500,N06600,N06601,N06625,N06617,N07718,N08800,N08810,N08811,N08028,N08825,N10276,N06455, N06022,N06200,N10665,N10675,N06002,N06030,N07750,N08020,N08925,N08904,S31254,N08367,N08926,N08366,316Lmod,S31500, S31050,S31803,S32750,S17700,S15500,S17400 |
|
API Corrosion Resistant Alloy |
LC30-1812,LC65-2205,LC65-2506,LC80-2507,LC30-2242 |
|
Standard Types |
Standard |
|
ASTM |
ASTM A312,ASTM A213,ASTM A269,ASTM A376,ASTM A551,ASTM A789,ASTM A790,ASTM B163,ASTM B167,ASTM B407,ASTM B423,ASM B444,ASTM B677 |
|
ASME |
ASME SA312,ASME SA789,ASME SA790,ASME SA376,ASME SA213,ASME SB163,ASME SB167,ASME SB407,ASME SB423,ASME SB444,ASME SB677 |
|
API |
API 5LC |
|
JIS |
JIS G3459,JIS G3463 |
|
EN |
EN 10216-5,EN 10216-2 |
|
GOST |
GOST 5632-72,GOST 9941-81 |
|
DIN |
DIN 17456,DIN 17458 |
|
Industrial Certificates |
ABS,CCS,DNV-GL,LR,RINA,BV,KR |
- MOQ:5 Tons
- Deliver Time:About 15-20 Workdays
- Payment Tems:T/T or L/C at sight
Application Of Pipe/ Tube
Petrochemical Industry
Suitable for conveying corrosive media and chemical raw materials, and applied to various process pipelines to meet harsh working conditions.
Energy & Power Sector
Widely used in boilers, heat exchangers, steam pipelines and new energy equipment, perfectly adapted to high-temperature and high-pressure working environments.
Construction & Municipal Engineering
Applied in water supply and drainage systems, decorative projects and public facility pipelines, integrating durability and attractive appearance.
Why Choose Us
Wuxi Xuanyi Stainless Steel Co., Ltd. was founded in 2011. Located in Wuxi, China, we are a professional stainless steel supplier and processing service provider. Supported by stable resources from major steel mills, a stringent quality management system and extensive export experience, we offer a full range of stainless steel products and customized solutions to clients worldwide. We always prioritize quality, efficiency and customer satisfaction. With reliable products, competitive pricing and on-time delivery, we strive to create long-term value for global partners.
Tube Markings Matched with Heat Numbers and MTCs
For orders involving several sizes or heat numbers, we check the tube markings against the corresponding heat numbers and MTCs. This keeps the physical material and its documents clearly linked through delivery and record filing.
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