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Mechanical properties of 2205 stainless steel

2205/UNS S32205 Duplex Steel

International common name of 2205:

2205 Duplex Steel, UNS S32205, UNS S32205, NAS 329J3L, F51, W. -Nr. 1.4462, 00Cr22Ni5Mo3N

2205 implementation standards:

ASTM A240/ASME SA-240, ASTM A276, ASTM A182/ASME SA-182, ASTM A312/ASMES A312

2205 physical properties:

2205 dual-phase steel density: 7.98g/cm3, melting point: 1300-1390 ℃

2205 heat treatment:

Keep the temperature between 1000-1050℃ for 1-2 hours, and quickly air-cool or water-cool.

Mechanical properties of 2205:

Tensile strength: σb≥795Mpa, yield strength σb≥550Mpa: elongation: δ≥15%, hardness ≤310 (HB)

Corrosion resistance of 2205 and main use environment:

2205 Duplex Stainless Steel 2205 Alloy Compared with 316L and 317L austenitic stainless steel, 2205 Alloy has superior performance in resisting pitting and crevice corrosion. , it has high corrosion resistance, has a lower thermal expansion coefficient and higher thermal conductivity than austenite. Duplex stainless steel 2205 alloy has twice the compressive strength compared to austenitic stainless steel, allowing designers to reduce its weight compared to 316L and 317L. Alloy 2205 is particularly suitable for use in the -50°F/+600°F temperature range, and can also be used at lower temperatures under severe restrictions (especially for welded structures).

2205 supporting welding materials and welding processes

The welding of 2205 dual-phase steel uses ER2209 welding wire and E2209 welding rod.

The application fields of 2205 include:

Oil and natural gas industrial equipment;

Offshore platforms, heat exchangers, underwater equipment, fire-fighting equipment;

Chemical processing industry, vessel and pipeline industry;

Desalination, high-pressure RO equipment and submarine pipelines;

Energy industry such as power plant desulfurization and denitrification FGD systems, industrial scrubbing systems, absorption towers ;

Mechanical components (high-strength, corrosion-resistant, wear-resistant components).

Main specifications of 2205:

2205 seamless pipe, 2205 steel plate, 2205 round steel, 2205 forgings, 2205 flange, 2205 ring, 2205 welded pipe, 2205 steel strip, 2205 straight Strips, 2205 wire and supporting welding materials, 2205 round cakes, 2205 flat steel, 2205 hexagonal rods, 2205 big and small heads, 2205 elbows, 2205 tees, 2205 processed parts, 2205 bolts and nuts, 2205 fasteners, etc.

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