Silver Tubes is a well-known whole seller of Stainless Steel UNS S32205 Forged Fittings / Stainless Steel UNS S31803 Forged Fittings, which typically have 50 – 60% austenite that has formed in a ferritic matrix. The first requirement of Forged Socket Weld Fittings was that nitrogen should be in the 0.14-0.20% ranges to increase its remunerations in advanced corrosion resistance, higher strength, better metallurgical stability, and greater properties post welding. Forged Threaded Fittings combines excellent resistance to pitting, crevice corrosion, and chloride stress corrosion with high strength. In the solution annealed condition from about 1925 Degree F, Forged Threaded Fittings has a microstructure with about 40 – 50% ferrite.
At high temperatures, above 2000 Degree F, Forged Socket Weld Fittings will become increasingly ferritic, becoming fully ferritic at temperatures just below the melting point. When hot forming is required, Duplex UNS S31803 Forged Fittings should be heated uniformly and worked in the range of 1750 Degree F – 2250 Degree F. Meanwhile, high nitrogen content increases the temperature of at which austenite is stable, within the structure of material. Duplex Forged Threaded Fittings facilitates the formation of austenite which is subsequent to a high temperature exposure, such as in the heat-affected zone adjacent to a weld.
|Specifications||ASTM A182 / ASME SA182|
|Dimensions||ASME B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, MSS-SP-97, BS3799|
|Size||1/8" NB to 4" NB|
|Type||Socketweld Fittings, Screwed-Threaded Fittings (NPT or PT Type)|
|Schedule||SCH 5S, 10S, 10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS.|
|Rating Pressure||Threaded End - 2000 /3000/ 6000 LBS.
Socket-weld End - 3000 / 6000/ 9000 LBS.
|Grade||Duplex S31803 (F51), Duplex S32205 (F60)|
|Duplex 2205||S31803 / S32205||1.4462|
|S31803||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||22.0 – 23.0||3.0 – 3.5||4.50 – 6.50||0.14 – 0.20||63.72 min|
|S32205||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||21.0 – 23.0||2.50 - 3.50||4.50 – 6.50||0.8 – 0.20||63.54 min|
|Grade||Tensile Strength (MPa) min||Yield Strength 0.2% Proof (MPa) min||Elongation (% in 50mm) min||Hardness|
|Rockwell B (HR B) max||Brinell (HB) max|
Duplex Steel S31803 Full Coupling, Duplex Steel S32205 Street Elbows, Duplex Steel F51 Forged 90 Deg Elbow, ASTM A182 Duplex F60 Socket weld 45 Degree Elbow, Forged Duplex Steel S32205 Threaded Reducing Tee, ASME SA182 Duplex Forged Steel S31803 Equal Cross, Duplex UNS S32205 Square Head Plug, Duplex Steel UNS S31803 Forged End Cap, Duplex Stainless Steel S31803 Threaded Bushing, UNS S32205 Forged Pipe Nipple, UNS S31803 Screwed Barrel Nipple, WNR 1.4462 Forged Boss, ASME B16.11 Duplex 2205 Hex Plug, Duplex Steel 1.4462 Socket weld Unequal Tee, Duplex UNS S31803 Forged Socket weld and Threaded Unions, Duplex Stainless Steel S32205 Forged Pipe Cap in India
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