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Customizable Stainless Steel321 Duplex Steel F51 DIN EN1092 Non Standard Plate Blind Flange

Flange is the parts which connects two pipe ends, flange connection is defined by the flange, gasket and bolt three are connected as a group of combined sealing structure of the detachable connection.
The gasket is added between the two flanges and then fastened by bolts. Different pressure flange, thickness is different, and the bolts they use are different, when pump and valve connect with pipe, the parts of the equipment are also made of the corresponding flange shape, also known as flange connection, usually closured bolted connection parts are also known as flanges, such as the connection of ventilation pipe, this kind of parts can be called "flange type part", but this connection is only part of a device, such as the connection between flange and water pump, it's not inapposite to call water pump as flange type parts,but relative small valve, it can be called as flange type parts.

Double Duplex Steel F51 (SAF2205, NAS 329J, UNS S31803, DIN/EN 1.4462, ASTM A240, ASME SA-240, 00CR22NI5MO3N) is a kind of iron-Ao stainless steel. It integrates the beneficial performance of ferrite and Austenitic, has good anti -chlorine ion stress corrosion performance and good anti -sulfurizer stress corrosion ability.

Chemical Composition(%)

≤0.030≤2.00 ≤1.00≤0.030≤0.02022.0-23.0

Mechanical Property

Tensile Strength  σb≥640Mpa

Elongation  δ≥25%


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