Wuxi Xuanyi Stainless Steel Co., Ltd. is one of the leading manufacturers and suppliers of seamless duplex stainless steel pipes 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 pipes made in China here from our factory.
Seamless Duplex Stainless Steel Pipes manufactured by Wuxi Xuanyi Stainless Steel are high-performance tubular products fabricated from duplex stainless steel through seamless forming processes. Featuring a dual-phase microstructure consisting of austenite and ferrite, they combine high strength, favorable toughness and superior corrosion resistance.
Compared with conventional stainless steel tubes, they deliver stronger resistance to chloride ion corrosion, stress corrosion and erosion from harsh media, maintaining stable and reliable service performance under high-pressure, high-temperature and complex working environments.
Parameters
|
Product Name |
Executive Standard |
Dimension |
Steel Grade |
| Seamless Duplex Stainless Steel Tubing for General | ServiceASTM A789/A789M |
OD: 19.0-60.5mm WT:1.2-5.0mm |
S31500, S1803,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
Applied for transporting corrosive media and chemical raw materials, as well as various process pipelines to satisfy demanding service conditions.
Energy & Power Sector
Widely adopted in boilers, heat exchangers, steam pipelines and new energy equipment, well suited for high-temperature and high-pressure environments.
Construction & Municipal Engineering
Used in water supply and drainage systems, decorative projects and pipelines for public facilities, combining 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.
Keeping Similar Specifications Separate During Packing
When one project contains several similar pipe diameters, wall thicknesses or lengths, clear identification becomes important before shipment. We separate different order items through packing labels and specification information, so the customer can check and store the material against the original purchase list after arrival.
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