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ASTM A790 S32205 Stainless Steel Seamless Pipe with Flange

Customized Prefabrication Pipe Spools

Pipe welded with Flanges

Pipe welded with Fittings

Flanges welded with Fittings

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ASTM A790 S32205 stainless steel seamless pipe with flange is welded S32205 stainless steel seamless pipe and flange. Duplex 2205 stainless steel is a duplex stainless steel grade containing a combination of austenite and ferrite phases in its microstructure, UNS S31803 material is added with chromium, molybdenum and nitrogen, it has high corrosion resistance and excellent mechanical properties . Seamless pipe is a pipe manufactured by piercing a solid billet without any welding or joints, and has a high pressure bearing capacity.

 

Duplex 2205 stainless steel (UNS S32205) is the most widely used duplex alloy. Compared to all austenitic stainless steels such as type 316, UNS S32205 seamless pipe has a higher chromium content, lower nickel content, and contains nitrogen, which has higher strength, good impact toughness and good general and local stress corrosion resistance. It has a low coefficient of thermal expansion and a high thermal conductivity.

ASTM A790 S32205 stainless steel seamless pipe with flange

For welding 1.4462 seamless pipe with flange, we use filler metals with similar composition to the parent metal to ensure compatibility and minimize the risk of cracking. Commonly used filler metals include ER2209, ER2594 and ER385. Final inspection of welds to ensure duplex 2205 pipe welded with flange meets specified quality requirements, including visual inspection, dye penetrant testing, radiographic testing or other methods. It is also important to follow any applicable codes and standards for welding stainless steel pipe with flanges, such as ASME B31.3.

 

Pre-fabrication pipe spools ASTM A790 S32205 stainless steel seamless pipe with flange can be installed directly on the pipe without additional processing and adjustment, saving installation time and labor costs. Our ASTM A790 S32205 stainless steel seamless pipe with flange features high strength, durability and corrosion resistance. Duplex 2205 pre-fabrication pipe spools are typically used in high pressure applications such as pipelines, heat exchangers and boilers and are also used in the construction of storage tanks, offshore platforms and subsea pipelines.

 

Chemical Composition of  ASTM A790 S32205 pipe

Grade C≤ Mn≤ P≤ S≤ Si≤ Ni Cr Mo N Cu
S32205 0.03 2.00 0.03 0.02 1.00 4.5–6.5 22.0–23.0 3.0–3.5 0.14–0.20

 

Mechanical Properties duplex 2205 ss seamless pipe

Mechanical properties Tensile, min, ksi[MPa] Yield, min, ksi[MPa] Elongation, %(min) Hardness, HB(max)
S32205 95 [655] 65 [450] 25 290

 

UNS S32205 stainless steel seamless pipe specification

Pipe Specifications ASTM A790 / ASME SA 790
Pipe Standard DIN, JIS, ASTM, EN, GB, AISI, ASME
Pipe Thickness 0.3mm – 50 mm
Seamless Pipe Outer Diameter 6.00 mm OD up to 250 mm OD, Sizes up to 12” NB
Pipe Schedule SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipe & Tube End Plain End, Beveled End, Treaded Pipe.
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