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Citizen Metals is a well-known manufacturing and trading unit of Alloy 20 Flanges, which has good mechanical properties at both ambient and elevated temperatures. The corrosion resistance of Alloy 20 Slip On Flanges also finds other uses in the pharmaceutical, chemical, food, power generation, and plastics industries. Alloy 20 Blind Flanges is a nickel – iron – chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. Alloy 20 Spectacle Blind Flanges is an austenitic, nickel – iron – chromium based super alloy with additions of Copper and Molybdenum which provide resistance to hostile environments, pitting, and crevice corrosion. Alloy 20 Weld Neck Flanges has ease of fabrication and elevated mechanical properties, along with perfect for use around sulfuric, phosphoric, and nitric acids.
Restricted carbon plus columbium stabilization in Alloy 20 Socket Weld Flanges permits welded fabrications to be used in corrosive environments, normally without post - weld heat treatment. Alloy 20 Threaded Flanges particularly excels in resisting corrosion to hot sulfuric acids when compared to conventional stainless steels such as Grade 316. Although Alloy 20 Lap Joint Flanges was designed for use in sulfuric acid related industries, it finds wide usage throughout the chemical processing industry. With the additions of niobium, Alloy 20 Ring Type Joint Flanges is stabilized against sensitization and resultant inter-granular corrosion. Although normally considered an excellent quality of stainless steel, these Alloy 20 Orifice Flanges has been classified as a nickel base.
Specifications: ASTM B564, B462 / ASME SB564, SB462
Dimensions: ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings.
Standard: ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, BSNA 11, EN Ni 99.2, JIS NW 2200, GOST-НП-2 etc.
Size: 1/2″NB TO 60″NB
Class/Pressure: 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type: Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Form: Slip on flanges, Socket weld flanges, Forged flanges, Blind flanges, Welding neck flange, Ring type joint flange, Spectacle blind flange, Reducing flange, Threaded / Screwed flange, Tongue and Groove flange, Long weld neck flange, Plate flange, ASME B16.5 flange
|20||0.02||2.0 – 3.0||1.0 – 2.0||0.7||Bal||0.02||0.005||19.0 – 21.0||0.1 – 0.3||3.0 – 4.0||32 – 38|
|Grade||Density||Melting Point||Yield Strength (0.2%Offset)||Tensile Strength||Elongation|
|20||8.1 g/cm3||1443 °C (2430 °F)||Psi – 35000 , MPa – 241||Psi – 80000 , MPa – 551||30 %|
|Alloy 20 2500# flanges||Alloy 20 B16.47 Flanges|
|Alloy 20 B16.47 'a' series flanges||Alloy 20 B16.47 'b' series flanges|
|Alloy 20 DIN 2633 FLanges||Alloy 20 DIN 2576 Flanges|
|Alloy 20 BS 10 Table D flanges||Alloy 20 BS 10 Table E flanges|
|Alloy 20/2.4660 DIN 2633 FLanges||Alloy 20/2.4660 DIN 2576 Flanges|
|Alloy 20/ JIS 5k Flanges||Alloy 20/ JIS 10k Flanges|
|Alloy 20 JIS 5k Flanges||Alloy 20 B16.5 Flanges|
|Alloy 20 JIS 10k Flanges||Alloy 20 150# Flanges|
|Alloy 20 300# Flanges||Alloy 20 600# flanges|
|Alloy 20 900# flanges||Alloy 20 1500# flanges|
|Alloy 20/N08020 BS 10 Table D flanges||Alloy 20/N08020 BS 10 Table E flanges|
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