Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee
The Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee features a unique mixed microstructure of austenite and ferrite (approximately 50/50). This dual-phase structure provides a yield strength that is nearly twice that of standard austenitic stainless steels like 316L, combined with outstanding resistance to chloride stress corrosion cracking (SCC), pitting, and crevice corrosion.
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- Commodity name: Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee
The Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee features a unique mixed microstructure of austenite and ferrite (approximately 50/50). This dual-phase structure provides a yield strength that is nearly twice that of standard austenitic stainless steels like 316L, combined with outstanding resistance to chloride stress corrosion cracking (SCC), pitting, and crevice corrosion.
Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee Description
Application Industries
Pulp and Paper Digesters Seawater Desalination (RO) Marine Engineering Systems Chemical Processing Equipment Offshore Oil & Gas Cargo Tanks for Ships Food Processing Equipment Effluent Scrubbing Systems Biofuels Production Petrochemical Refineries Product Parameters
Parameter Details Product Name Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee Type Butt-Welding Pipe Fitting, Seamless Equal Tee / Straight Tee Size / OD 1/2" - 24" (DN15 - DN600) (Larger sizes available in welded construction) Wall Thickness SCH 10S, SCH 40S, SCH 80S, SCH 160, XXS (Customizable) Standard ASME/ANSI B16.9, ASTM A815, EN 10253-4, MSS SP-43 Surface Pickling, Sand Blasting, Polished Finish Scope of Application Widely used in paper mills, desalination, offshore platforms, shipbuilding, chemical plants, etc. Certificate ISO, PED 97/23/EC, MTR (EN 10204 3.1), BV, SGS, DNV, GL, LR, ABS, etc. Production Technology Cold Forming, Hot Extrusion, 100% Seamless Construction Edge Processing Beveled Ends (BE) according to ASME B16.25 Equivalent Grades
UNS ASTM / ASME EN / DIN AFNOR Common Trade Name UNS S32205 / S31803 ASTM A815 WPS31803 / WPS32205 1.4462 Z3CND22-05Az 2205, Alloy 2205, F51 / F60 Chemical Composition (%)
Cr Ni Mo N C (Max) Mn (Max) Si (Max) P (Max) S (Max) 22.0 - 23.0 4.5 - 6.5 3.0 - 3.5 0.14 - 0.20 0.030 2.00 1.00 0.030 0.020 Mechanical Properties
Tensile Strength (Rm) Yield Strength (Rp0.2) Elongation (A5) Hardness (Brinell / HRC) ≥ 620 MPa (90,000 psi) ≥ 450 MPa (65,000 psi) ≥ 25% ≤ 290 HB / ≤ 31 HRC Physical Properties (at 20°C)
Density Melting Point Thermal Conductivity Specific Heat Capacity Modulus of Elasticity 7.80 g/cm³ (0.281 lb/in³) 1350°C - 1450°C 15.0 W/(m·K) 450 J/(kg·K) -
Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee - Stock Warehouse
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Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee - Product Inspection
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Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee - Product Measurement
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Duplex Stainless Steel 2205 (UNS S32205/S31803) Seamless Equal Tee- Product Packaging
