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ASTM A182 F22 ALLOY STEEL BLIND FLANGE RF FACE FORGING PROCESS(BLRF))ANSI B16.5
ASTM A182 F22 ALLOY STEEL BLIND FLANGE ANSI B16.5 RF FACE
Alloy Steel F22 Flanges certainly minimal use with hydrochloric acids. ASTM A182 Grade F22 Flanges performs much better than other austenitic stainless steel because of the much higher alloying of nickel as well as molybdenum. Thus, cheaper raw materials in Alloy Steel A182 Grade F22 WNRF Flanges, such as high – carbon ferrochromium, may be used in the initial melting operation. A182 F22 Alloy Steel Blind Flanges typically contains 11.5 percent to 18 percent of chromium and up to 1.2 percent carbon with nickel sometimes added. A182 F22 Steel Slip On Flanges are hardenable by heat treatment, have modest corrosion resistance. A182 Gr F22 Steel Flanges is an alloy that displays high resistance to corrosion, particularly against acidic environments.
Alloy Steel A182 Gr.F22 Flanges Specification
| Specification: | ASTM A182/ ASME SA182 |
| Grade: | Alloy Steel Flanges ASTM A182 F22 UNS (K21590), DIN 1.7380 |
| Dimension Standard: | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS10, EN-1092, DIN, etc. |
| Standard: | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Size: | 1/2" (15 NB) to 48" (1200NB) |
| 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), etc. |
| STANDARD | UNS | WERKSTOFF NR. |
| Alloy Steel F22 | K21590 | 1.7380 |
| Grade | C | Mn | Si | P | S | Cr | Mo |
| Alloy Steel F22 | 0.05 - 0.15 | 0.3-0.6 | 0.5 | 0.045 | 0.03 | 0.8 - 1.25 | 0.044 - 0.65 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| Alloy Steel F22 | 205 | 415 | 20 |
Due to the versatility of the ASTM A182 F22 Flanges, they are used in different applications. Applications include but are not limited to the power stations, ship wright, food processing plants, oil and gas industrial systems, hydraulic systems and marine systems.
Alloy Steel F22 Flanges are used to connect valves, pumps or pipes in a fluid flow system. Alloy Steel A182 Grade F22 WNRF Flanges can give an extra strength to the connections where bending cracking or high pressure is expected due to their welded necks along with the raised face. ASTM A182 F22 Flanges on the other hand could be used for extreme tightness in situations where the pressure is high and the fluid is expected to leak even through minor gaps.
The ring type joints actually hold a gasket in between and tighten so that the thermal expansion does not allow the gasket to leave the groove and therefore the connection is air tight. A182 F22 Alloy Steel Blind Flanges are used at the end of pipelines to seal the system. A182 F22 Steel Slip On Flanges are used to connect two pipes where the pipes have to go through the flange. These flanges hold the pipes together inside them and are often welded from inside and outside for better sealing of the connection.
