Zhengzhou Huitong Pipeline Equipment Co.,Ltd.
Zhengzhou Huitong Pipeline Equipment Co., Ltd.
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Duplex Steel Forged Flanges/Plate Flanges
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Specification | ASTM A182 / ASME SA182 F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61. |
| UNS Grade | UNS S31803, S32205, S2205, S32550, S32750, S32760. |
| Size | ½” to 24″ |
| Class / Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Products | Size | |
| ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Slip-On Flanges | ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Threaded Flanges | 1/8″ – 36″ Raised Face or Flat Face |
| ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Reducing Flanges | ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Blind Flanges | |
| ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Weld Neck Flanges | ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Socket Weld Flanges | |
| ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Plate Flanges | ASTM A182 F44, F45, F53, F54, F55, F60, F61 Duplex Lap Joint Flanges
| |
| Ni | Min | Max |
| Cr | 4.5 | 6.5 |
| Mo | 22.0 | 23.0 |
| Mn | 3.0 | 3.5 |
| Si | - | 2.0 |
| C | - | 1.0 |
| N | - | 0.03 |
| S | 0.14 | 0.2 |
| P | - | 0.02 |
| Fe | - | 0.03 |
| Property | Values |
| Ultimate Tensile Strength * | 95 min Ksi (655 Mpa) |
| 0.2 % Yield Strength * | 75 min Ksi (517 Mpa) |
| Elongation * | 17 % min |
| Reduction of Area * | 35 % min |
| Charpy Impact Toughness | 42 mean/ 33 min J at –18o C |
| Hardness | 197 – 237 BHN (75 Ksi min) |
| Nominal Pipe Size | Flanges Inside Diameter (ID) (inch) | Flanges Outside Diameter (OD) (inches) | ||||
| Class 150 | Class 300 | Class 400 | Class 600 | Class 900 | ||
| 1/2 | 0.84 | 1.875 | 2.125 | 2.125 | 2.125 | 2.50 |
| 3/4 | 1.06 | 2.25 | 2.625 | 2.625 | 2.625 | 2.75 |
| 1 | 1.31 | 2.625 | 2.875 | 2.875 | 2.875 | 3.125 |
| 1 1/4 | 1.66 | 3 | 3.25 | 3.25 | 3.25 | 3.50 |
| 1 1/2 | 1.91 | 3.375 | 3.75 | 3.75 | 3.75 | 3.875 |
| 2 | 2.38 | 4.125 | 4.375 | 4.375 | 4.375 | 5.625 |
| 2 1/2 | 2.88 | 4.875 | 5.125 | 5.125 | 5.125 | 6.50 |
| 3 | 3.50 | 5.375 | 5.875 | 5.875 | 5.875 | 6.625 |
| 4 | 4.50 | 6.875 | 7.125 | 7.00 | 7.625 | 8.125 |
| 5 | 5.56 | 7.75 | 8.50 | 8.375 | 9.50 | 9.75 |
| 6 | 6.62 | 8.75 | 9.875 | 9.75 | 10.50 | 11.375 |
| 8 | 8.62 | 11 | 12.125 | 12.00 | 12.625 | 14.125 |
| 10 | 10.75 | 13.375 | 14.25 | 14.125 | 15.75 | 17.125 |
| 12 | 12.75 | 16.125 | 16.625 | 16.50 | 18.00 | 19.625 |
