
Kencotube is one of the leading manufacturer & exporter of high quality of Alloy 20 Flanges, which has low corrosion rates in neutral and distilled water and can be hot formed to any shape and formed cold by all methods. Specifically designed to withstand sulfuric acid, Alloy 20 Pipe Flanges offers excellent corrosion resistance. Due to its nickel, chromium, molybdenum and copper levels Alloy 20 Slip On Raised Face Flanges is ideal for use in corrosive environments. Alloy 20 Blind Raise Face Flanges is most frequently specified in environments ranging from mildly oxidizing through neutral, and in moderately reducing conditions. As with commercially pure nickel, Alloy 20 Weld Neck Raised Face Flanges is low in strength in the annealed condition. For this reason, a variety of tempers are used which have the effect of increasing the strength level of Alloy 20 Socket Weld Raised Face Flanges.
An additional application area of Alloy 20 Lap Joint Flanges is in marine environments and other non-oxidizing chloride solutions. Kencotube provides its customers with a variety of Alloy 20 Threaded Flanges stock shapes under the high quality standards. Alloy 20 Orifice Flanges is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. Typically, nickel content in Alloy 20 Ring Type Joint Flanges makes up approximately 30 percent of its composition, with iron being found in equal if not greater amounts. Meanwhile, we as well provide our patrons with custom made sizes as per their requirements.
Specifications | ASTM B564 / B462, ASME SB564 / SB462 |
Standards | ASTM, ASME, ANSI, JIS, DIN, BSNA 11, EN Ni 99.2, JIS NW 2200, GOST-НП-2 |
Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
Size | 1/2″NB TO 60″NB |
Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
Class | 150#, 300#, 600#, 900#, 1500#, 2500# |
Pressure | DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160. |
Flanges Products | Expander Flanges, Forged Flanges, Blind Flanges, Reducing Flanges, Orifice Flanges, Socket Weld Flanges, Slip On Flanges, Flat Flanges, Lapped Joint Flanges, High Hub Blinds Flanges, Nipo Flanges, Threaded Flanges, Square Flanges, Long Neck Weld Flanges, RTJ Flanges etc |
STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN |
---|---|---|---|---|
Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
Ni | Fe | C | Mn | Si | Cu | Cr | Mo | S | P | Nb |
---|---|---|---|---|---|---|---|---|---|---|
32 - 38 | Bal | 0.02 max | 1 - 2 | 0.7 max | 3 - 4 | 19 - 21 | 2 - 3 | 0.005 max | 0.02 max | 0.1 - 0.3 |
Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
---|---|---|---|---|---|
Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi - 35,000, MPa - 241 | 30 % |
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