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Address: Room 1703, 17th Floor, Building 5, Jinyin Modern City, Guangdian South Road, Jinshui District, Zhengzhou City, Henan Province, China.
Contact name:Vicky
Zhengzhou Huitong Pipeline Equipment Co.,Ltd. |
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AWWA C207 Hastelloy C276 SO Flange Ring Flange Hub Flange 4"-144" Table D
1. AWWA C207 Flange Specifications
| Flange Material | The AWWA C207 Specification does not require a specific grade of
steel. Instead it establishes minimum physical and chemical
properties as follows: Minimum Tensile: 50,000 psi Minimum Yield: 32,000 psi Maximum Carbon: .29 % Maximum Phosphorus: .04 % Maximum Sulfur: .05 % Frequently used materials might include: ASTM A-36 or ASTM A-283 plate steels or ASTM A181 or A105 forged steel meeting the requirements of AWWA C207. Elongation: 2 in - 18% and 8 to 14 in |
| Flange Facing | Flanges shall have a serrated finish of approximately 24 to 55 grooves per inch resulting in a 125-500 RMS surface finish. Serrations may be spiral or concentric. Other types of facings are also available upon request. AWWA flanges are normally supplied as flat faced, unless raised face is specified by customer. |
2. AWWA C207 FLANGES
 |  |
| Steel Hub Flange | Steel Ring Flange |
AWWA C207 Flange Class
| ||
| Class 2B AWWA Standard Steel-Ring Flange | Class 2D AWWA Standard Steel-Ring Flange | Class 3D AWWA Standard Steel-Hub Flange |
| Class 4E AWWA Standard Steel-Hub Flange | Class 5E AWWA Standard Steel-Ring Flange | Class 6F AWWA Standard Steel-Ring Flange |
3. Dimensions & Approx Masses of C207 Class D Hub Flange (175-150 psi*)
| Nom Size | Drilling | ||||||||
| OD | Thickness | Overall Thickness | Dia at Base | Bore | Bolt Circle | Hole Dia | No. Holes | Weight | |
| A | T |
L | E | B | C | ||||
| 4 | 9.00 | 0.500 | 0.875 | 5.312 | 4.57 | 7.50 | 0.750 | 8 | 7 |
| 5 | 10.00 | 0.562 | 1.250 | 6.312 | 5.66 | 8.50 | 0.875 | 8 | 9 |
| 6 | 11.00 | 0.562 | 1.250 | 7.562 | 6.72 | 9.50 | 0.875 | 8 | 11 |
| 8 | 13.50 | 0.562 | 1.250 | 9.688 | 8.72 | 11.75 | 0.875 | 8 | 15 |
| 10 | 16.00 | 0.688 | 1.250 | 12.000 | 10.88 | 14.25 | 1.000 | 12 | 22 |
| 12 | 19.00 | 0.688 | 1.250 | 14.375 | 12.88 | 17.00 | 1.000 | 12 | 33 |
| 14 | 21.00 | 0.750 | 1.250 | 15.750 | 14.19 | 18.75 | 1.125 | 12 | 43 |
| 16 | 23.50 | 0.750 | 1.250 | 18.000 | 16.19 | 21.25 | 1.125 | 16 | 52 |
| 18 | 25.00 | 0.750 | 1.250 | 19.875 | 18.19 | 22.75 | 1.250 | 16 | 52 |
| 20 | 27.50 | 0.750 | 1.250 | 22.000 | 20.19 | 25.00 | 1.250 | 20 | 61 |
| 22 | 29.50 | 1.000 | 1.750 | 24.250 | 22.19 | 27.25 | 1.375 | 20 | 92 |
| 24 | 32.00 | 1.000 | 1.750 | 26.125 | 24.19 | 29.50 | 1.375 | 20 | 105 |
| 26 | 34.25 | 1.000 | 1.750 | 28.500 | 26.19 | 31.75 | 1.375 | 24 | 119 |
| 28 | 36.50 | 1.000 | 1.750 | 30.500 | 28.19 | 34.00 | 1.375 | 28 | 130 |
| 30 | 38.75 | 1.000 | 1.750 | 32.500 | 30.19 | 36.00 | 1.375 | 28 | 144 |
| 32 | 41.75 | 1.125 | 1.750 | 34.750 | 32.19 | 38.50 | 1.625 | 28 | 182 |
| 34 | 43.75 | 1.125 | 1.750 | 36.750 | 34.19 | 40.50 | 1.625 | 32 | 191 |
| 36 | 46.00 | 1.125 | 1.750 | 38.750 | 36.19 | 42.75 | 1.625 | 32 | 207 |
| 38 | 48.75 | 1.125 | 1.750 | 40.750 | 38.19 | 45.25 | 1.625 | 32 | 237 |
| 40 | 50.75 | 1.125 | 1.750 | 43.000 | 40.19 | 47.25 | 1.625 | 36 | 249 |
| 42 | 53.00 | 1.250 | 1.750 | 45.000 | 42.19 | 49.50 | 1.625 | 36 | 287 |
| 44 | 55.25 | 1.250 | 2.250 | 47.000 | 44.19 | 51.75 | 1.625 | 40 | 334 |
| 46 | 57.25 | 1.250 | 2.250 | 49.000 | 46.19 | 53.75 | 1.625 | 40 | 348 |
| 48 | 59.50 | 1.375 | 2.500 | 51.000 | 48.19 | 56.00 | 1.625 | 44 | 407 |
| 50 | 61.75 | 1.375 | 2.500 | 53.000 | 50.19 | 58.25 | 1.875 | 44 | 421 |
| 52 | 64.00 | 1.375 | 2.500 | 55.000 | 52.19 | 60.50 | 1.875 | 44 | 448 |
| 54 | 66.25 | 1.375 | 2.500 | 57.000 | 54.19 | 62.75 | 1.875 | 44 | 475 |
| 60 | 73.00 | 1.500 | 2.750 | 63.000 | 60.19 | 69.25 | 1.875 | 52 | 605 |
| 66 | 80.00 | 1.500 | 2.750 | 69.000 | 66.19 | 76.00 | 1.875 | 52 | 718 |
| 72 | 86.50 | 1.500 | 2.750 | 75.000 | 72.19 | 82.50 | 1.875 | 60 | 803 |
| 78 | 93.00 | 1.750 | 3.000 | 81.250 | 78.19 | 89.00 | 2.125 | 64 | 1010 |
| 84 | 99.75 | 1.750 | 3.000 | 87.500 | 84.19 | 95.50 | 2.125 | 64 | 1160 |
| 90 | 106.50 | 2.000 | 3.250 | 93.750 | 90.19 | 102.00 | 2.438 | 68 | 1430 |
| 96 | 113.25 | 2.000 | 3.250 | 100.000 | 96.19 | 108.50 | 2.438 | 68 | 1618 |
4. More information about Hastelloy C276
Common Trade Names
INCONEL® alloy C-276, Hastelloy® C-276 alloy
INCONEL® is a registered trademark of the Special Metals Corporation group of companies. HASTELLOY® is a registered trademark of HT Pipe
Data Sheet
Chemical Composition (%)
| Nickel | Molybdenum | Chromium | Iron | Tungsten | Cobalt | Manganese |
| Remainder | 15.0 to 17.0 | 14.5 to 16.5 | 4.0 to 7.0 | 3.0 to 4.5 | 2.5 max | 1.0 max |
| Vanadium | Silicon | Phosphorus | Sulfur | Carbon | ||
| 0.35 max | 0.08 max | 0.04 max | 0.03 max | 0.010 max |
