Home > Products > Industrial Pipeline Series > En 1.4462 Duplex 2205 Seamless ASTM A790 Duplex Steel S31803 Tubes for Automotive Industry
En 1.4462 Duplex 2205 Seamless ASTM A790 Duplex Steel S31803 Tubes for Automotive Industry
≥1 Ton
- 100000 Ton / Tons per Month
- NINGBO SHANGHAI WENZHOU
- T/T L/C
- 30 days
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Product Details
Brand Name | ASTM A790/A789 | Place of Origin | China | |
Model Number | Duplex steel | Certification | ISO | |
Thickness | 6-65mm | Type | Seamless | |
Application | Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Water | Standard | ASTM, AISI, DIN, EN, GB, JIS | |
Outer Diameter | 1-1016mm | Welding Line Type | ERW | |
Steel Grade | 200 Series |
Product Description
Stainless steel welded pipe
Stainless steel seamless tubing is available in specifications:
ASTM A21
ASTM A269
ASTM A790
ASTMB444
ASTM A312
ASTM B622
ASTMA789...
Seamless tubing grades available:304/304/L, 316/316/L, 309/S, 310/S, 317/L, 321/H, 347/H, Alloy 20, Duplex 2205, Duplex 2507 Ask us about Nickel alloy grades including; Alloy 200, 201, 400, 600, 625, 800HT, 254 SMU, AL6XN and C276
Seamless tubing sizes:1/8" to 42" Diameters
Tck: 6-65mm
Industries served:
Marine applications
Food & Beverage processing
Pharmaceuticals
Power generation
Chemical and petrochemical
Mechanical and plant engineering
Oil and gas
Company Profile

Zhongzheng Stainless Steel Co., Ltd. is a China-based manufacturer specializing in R&D, production, and distribution of stainless steel products. Established in the early 2000s, it serves industries including construction, machinery, food/medical equipment, and energy with precision tubes, sheets, profiles, and custom components.
Contact Us
- Zhongzheng Stainless Steel Co., Ltd.
- Contact nameLaijing Bu Chat Now
- AddressRoom 104-07, Building 5, Jinghu Technology Park Huanajinghu Garden, Donglihu Subdistrict Dongli District,
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