Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM B462 UNS10276 (Hastelloy C276) Weld Neck Raised Face (WNRF) flanges deliver unmatched corrosion resistance in aggressive chemical and high-temperature environments. Manufactured in full compliance with ASTM B462 for wrought nickel-alloy piping components and ASME B16.5 for dimensional standards, these flanges are engineered for critical applications in chemical processing, pollution control, and offshore systems.
| Property | Specification |
|---|---|
| Material Standard | ASTM B462 |
| UNS Number | N10276 (UNS10276) |
| Common Name | Hastelloy C276 |
| Flange Standard | ASME B16.5 |
| Face Type | Raised Face (RF) |
| Connection | Weld Neck (WN) |
| Element | Min (%) | Max (%) | Role |
|---|---|---|---|
| Nickel (Ni) | Bal. | - | Base Metal, Corrosion Resistance |
| Chromium (Cr) | 14.5 | 16.5 | Oxidation Resistance |
| Molybdenum (Mo) | 15.0 | 17.0 | Pitting/Crevice Resistance |
| Iron (Fe) | 4.0 | 7.0 | Strength |
| Tungsten (W) | 3.0 | 4.5 | Corrosion Resistance |
| Cobalt (Co) | - | 2.5 | High-Temp Stability |
| Manganese (Mn) | - | 1.0 | Deoxidizer |
| Silicon (Si) | - | 0.08 | Deoxidizer |
| Carbon (C) | - | 0.01 | Prevents Sensitization |
| Sulfur (S) | - | 0.03 | Impurity Control |
| Property | Value | ASTM B462 Requirement |
|---|---|---|
| Tensile Strength | ≥ 690 MPa (100 ksi) | ≥ 690 MPa |
| Yield Strength (0.2% Offset) | ≥ 283 MPa (41 ksi) | ≥ 283 MPa |
| Elongation (% in 50mm) | ≥ 40% | ≥ 40% |
| Hardness (Rockwell B) | ≤ 100 HRB | ≤ 100 HRB |