We, Piyush Steel, an ISO-certified enterprise, are committed to providing top-quality products and exceptional services. Our mission is to deliver premium products, customer-focused service, comprehensive assistance, and a swift product delivery strategy. We go above and beyond to meet all customer requirements. As a manufacturer, supplier, and exporter of SMO 254 flanges, we offer a wide range of specifications, classes, schedules, grades, and sizes to cater to the diverse needs of your industry. Our ASTM A182 SMO 254 Blind Flanges provide quick bolt hole alignment by having a solid center with drilled-on-the-rim bolt holes. In addition, their use in high-chloride environments such as pulp, paper, and pulp mills, as well as other chloride-producing operations, can significantly reduce costs and increase profits, due to the molybdenum's ability to repel any potential chloride threats.
Austenitic stainless steel, which includes 19% chromium, 17% nickel, 6% molybdenum, copper, and sulfur, forms the basis of SMO 254 flanges. This distinctive blend endows the material with exceptional mechanical properties. Piyush Steel is a prominent manufacturer and supplier of these flanges. The Class 150 SMO UNS S31254 flanges represent one of the lower classes, with a range extending from Class 150 to 2500 and PN6 to PN64. These flanges are highly durable and exhibit excellent resistance to corrosive environments, particularly those rich in chloride ions.
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Various types of flanges are available, including the 254 SMO Orifice Flange and others, all of which offer remarkable strength with a minimum tensile strength of 650 MPa and a minimum yield strength of 300 MPa. The ASTM A182 specification specifically designs the ANSI B16.5, ASTM A182 SMO 254 Blind Flange to seal piping connections. Additionally, you can customize these flanges based on different specifications, like the SMO Werkstoff No 1.4547 Slip-On Flanges, to meet diverse industrial requirements.
Slip-on flanges are widely used in pipeline systems with seamless pipes and come in standards like ASME B16.5 and B16.47 Series A and B. Options include SMO Grade 254 Threaded Flanges, secured by threads, bolts, nuts, or welding, in sizes ranging from ½ inch to 48 inches. The ASME SA182 SMO 254 Socket Weld Flanges offer extra grip with an added socket, while 254 SMO RTJ Flanges use ring connections for pipe ends. Custom SMO 254 Weld Neck Flanges are also available. Contact us for more details and pricing.
| STANDARD | WERKSTOFF NR. | UNS | SIS | AFNOR | EN |
| SMO 254 | 1.4547 | S31254 | 2378 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 |
Pipe Specification : ASTM A182 / ASME SA182
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, 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)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS 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, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Ti |
| SMO 254 | 0.2 max | 1.5 max | 0.75 max | 0.040 | 0.030 max | 18.00 – 22.00 | - | 0.50 max | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1320-1390 ℃ | 650 | 300 | 35 % |
| Temp., °C | 254 SMO Flanges Working Pressures by Classes, bar | ||||||
| 150 | 300 | 400 | 600 | 900 | 1500 | 2500 | |
| -29 ~ 38 | 20.0 | 51.7 | 68.9 | 103.4 | 155.1 | 258.6 | 430.9 |
| 50 | 19.5 | 51.7 | 68.9 | 103.4 | 155.1 | 258.6 | 430.9 |
| 100 | 17.7 | 51.5 | 68.7 | 103.0 | 154.6 | 257.6 | 429.4 |
| 150 | 15.8 | 50.3 | 66.8 | 100.3 | 150.6 | 250.8 | 418.2 |
| 200 | 13.8 | 48.6 | 64.8 | 97.2 | 145.8 | 243.4 | 405.4 |
| 250 | 12.1 | 46.30 | 61.7 | 92.7 | 139.0 | 231.8 | 386.2 |
| 300 | 10.2 | 42.9 | 57.0 | 85.7 | 128.6 | 214.4 | 357.1 |
| 325 | 9.3 | 41.4 | 55.0 | 82.6 | 124.0 | 206.6 | 344.3 |
| 350 | 8.4 | 40.3 | 53.6 | 80.4 | 120.7 | 201.1 | 335.3 |
| 375 | 7.4 | 38.9 | 51.6 | 77.6 | 116.5 | 194.1 | 323.2 |
| 400 | 6.5 | 36.5 | 48.9 | 73.3 | 109.8 | 183.1 | 304.9 |
| 425 | 5.5 | 35.2 | 46.5 | 70.0 | 105.1 | 175.1 | 291.6 |
| 450 | 4.6 | 33.7 | 45.1 | 67.7 | 101.4 | 169.0 | 281.8 |
| 475 | 3.7 | 31.7 | 42.3 | 63.4 | 95.1 | 158.2 | 263.9 |
| 500 | 2.8 | 28.2 | 37.6 | 56.5 | 84.7 | 140.9 | 235.0 |
| 538 | 1.4 | 16.5 | 22.1 | 33.1 | 49.6 | 82.7 | 137.9 |
| 550 | - | 13.9 | 18.6 | 27.9 | 41.8 | 69.7 | 116.2 |
| 575 | - | 9.4 | 12.6 | 18.9 | 28.3 | 47.2 | 78.6 |
| 600 | - | 6.6 | 8.9 | 13.3 | 19.9 | 33.2 | 55.3 |
| 625 | - | 5.1 | 6.8 | 10.3 | 15.4 | 25.7 | 42.8 |
| 650 | - | 4.7 | 6.3 | 9.5 | 14.2 | 23.6 | 39.4 |
The full identification of the flanges should be continuously marked down its whole length, including :
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ASME Flanges, DIN Flanges, ANSI Flanges With Mill And Third Party Test Certificate.
254 SMO Flanges Price List
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