1. Uniform corrosion

Due to the chromium content (22%), molybdenum (3%) and nitrogen content (0.18%), the corrosion resistance of 2205 is better than 316L and 317L in most environments.

2. Local anti-corrosion

The content of chromium, molybdenum and nitrogen in the dual phase steel 2205 has strong resistance to the corrosion and corrosion of the surface in the oxidizing and acidic solution.

3. Anti-stress corrosion

The dual phase microstructure of stainless steel helps to improve the corrosion resistance of stainless steel. At a certain temperature, tension, oxygen and chloride in the presence of the case, the austenitic stainless steel will occur chloride stress corrosion. Since these conditions are not easily controlled, the use of 304L, 316L and 317L is limited in this respect.

4. Anti-corrosion fatigue

Dual-phase steel 2205 high strength and corrosion resistance to make it a high anti-corrosion fatigue strength. The processing equipment is susceptible to corrosive environments and the effects of loading cycles, and the 2205 features are well suited for such applications.

Escription & Name:  2205 Duplex Stainless Steel Welded Tube

Standard: ASTM A790,A789,A928,A312,  A249 ,A269, A270,A554,A358,A409 ,A778,EN 10217, EN 10296,DIN 17455, DIN 17458, JISG3459, JIS G3463, JIS G3467, JIS G3448,JIS G3468  

Material: 2205

Size range for tube:OD 1/4" to 80" (6mm to 2000mm),WT:0.02" to 2" (0.5mm to 50mm)

Length:22 m(Max) or as your requirement

Finish: Annealed & pickled, bright annealing, polished

Ends: Beveled or plain end, square cut, burr free ,Plastic Cap at Both end 

Packing: Bare packing/bundle packing with woven bag/wooden or steel frame crate packing/plastic cap protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.

Skype: Amiee Peng