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Silver Tubes is one of the well-known exporting houses of SMO 254 Flanges, which are completely resistant to pure acetic acid at all temperatures and concentrations at atmospheric pressure. Alloy 254 Flanges is more resistant to hydrochloric acid than stainless steels with lower chromium and molybdenum contents and can. UNS S31254 Flanges is used to advantage in cases where chemical process solutions are contaminated with hydrochloric acid. 6MO Flanges with excellent corrosion resistance in the first and the second recycling use of the high purity water in the nuclear reactor. Petrochemical works production of catalytic regeneration in the application of more than 700 Degree C recommended the use of 254 SMO Flanges, in order to obtain a longer service life. SMO 254 Pipe Flanges is especially excellent corrosion resistance to dry chlorine and chlorine hydride applied up to 650 Degree C. Alloy 254 Pipe Flanges has high strength over a broad range of temperatures.
Meanwhile, mechanical properties of UNS S31254 Pipe Flanges vary with product form and temper. Restricted carbon plus columbium stabilization in 6MO Pipe Flanges permits welded fabrications to be used in corrosive environments, normally without post-weld heat treatment. Although 254 SMO Pipe Flanges was designed for use in sulphuric acid related industries, it finds wide usage throughout the chemical processing industry. We manufacture these flanges that are manufactured using finest grade raw material and are available to ensure international quality.
Specifications | ASTM A182 / ASME SA182 |
SMO 254 Flanges Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
Dimensions | ANSI/ASME B16.5, B16.47 Series A & B, B16.36, B16.48, BS4504, BS 10, EN-1092, DIN |
Size | 1/2" (15 NB) to 48" (1200NB) |
Flange Face Type | Flat Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Class / Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
254 SMO ASTM Standard Flanges | 150#, Class 300 Lbs, 600#, Class 900 Lbs, 1500#, 2500 Lbs, ANSI B16.5, ASME SB16.5, ANSI B16.47 Series A or MSS SP-44, ANSI B16.47 series B or API-605, ANSI B16.48, ANSI B16.36 |
254 SMO DIN Flanges | DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638, DIN 2673 |
254 SMO JIS Standard Flanges | 254 SMO JIS Flanges, JIS B2220 5K / JIS B2220 10K / JIS B2220 16K / JIS B2220 20K |
SMO 254 EN Flanges | 254 SMO EN Flanges, EN 1092-1 SMO 254 Flanges |
SMO 254 BS 4504 Flanges | BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250 |
SMO 254 BS Flanges | 254 SMO BS 10 Flanges, BS Table D, BS Table E, BS Table F Flange, BS Table H |
STANDARD | UNS | WERKSTOFF NR. | EN |
254 SMO® | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 |
Grade | C | Ni | Si | N | S | Mn | P | Cr | Ce | Fe | |
SS 254 SMO | min. | - | 17.5 | - | 0.18 | - | - | - | 19.5 | 0.03 | Balance |
max. | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 |
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
254 SMO | 650 | 35 | 300 | 50 | 270 |
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