Hastelloy C22 Forged Valves
Hastelloy C22 Forged Valves Specification
| Specification | Details |
|---|---|
| Material | Hastelloy C22 (UNS N06022) |
| Type | Forged Valve (Ball, Gate, Globe, Check, etc.) |
| Pressure Rating | ANSI 150, 300, 600, 900, 1500, 2500 (depending on size and design) |
| Size Range | 1/4" to 4" (varies by valve type and pressure class) |
| Temperature Range | -400°F to 1500°F (-240°C to 815°C) |
| End Connections | Flanged (RF, FF), Threaded, Socket Weld, Butt Weld |
| Face-to-Face Dimension | As per ANSI B16.10 (varies by valve type) |
| Flange Rating | ANSI B16.5, DIN, JIS (depending on application) |
| Face-to-Face Length | As per ASME B16.10 (standard face-to-face dimensions) |
| Testing Standards | API 598, ISO 5208, ASME B16.34 |
| Leakage Class | Class IV or Class VI (depending on valve type) |
| Flow Coefficient (Cv Value) | Varies by size and type of valve |
| Body Material | Hastelloy C22 (UNS N06022) |
| Seat Material | PTFE, PEEK, or other elastomers (depending on valve type) |
| Bonnet Material | Hastelloy C22 (UNS N06022) |
| Stem Material | Hastelloy C22 or Stainless Steel 316L |
| Design Standard | ASME B16.34, API 602, ISO 9001 |
| Pressure Test | 1.5 times the working pressure or as per manufacturer |
| Corrosion Resistance | Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, even in chloride-rich and high-temperature environments |
| Applications | Chemical processing, pharmaceutical, marine, pulp & paper, pollution control, power generation |
| Certification | CE, UL, ISO 9001, PED (if required) |
| Material Composition | ~22% Chromium, ~13% Molybdenum, ~3% Tungsten, balance Nickel, with trace amounts of Iron, Cobalt, and other elements |
| Mechanical Properties | – Tensile Strength: 80-100 ksi (550-690 MPa) – Yield Strength: 30-60 ksi (205-415 MPa) – Hardness: 80 HRB (approx.) |
| Welding | Compatible with common welding processes (TIG, MIG) |
| Surface Finish | Typically Ra 3.2 µm to 6.3 µm (depending on application) |
| Resistance to Stress Corrosion Cracking (SCC) | Excellent resistance in chloride-rich environments, particularly in marine or offshore applications |
| Fatigue Strength | Good fatigue resistance, ideal for applications with fluctuating stress and temperature variations |
Equivalent Grades
| STANDARD | UNS | WNR. | AFNOR | EN | JIS |
| Hastelloy C22 | N06022 | 2.4602 | – | NiCr21Mo14W | NW 6022 |
Chemical Properties
| Grade | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr | W | V |
| Hastelloy C22 | Balance | 0.010 max | 12.5-14.5 | 0.50 max | 0.08 max | 2-6 | 0.02 max | 0.02 max | 2.5 max | 20-22.5 | 2.5-3.5 | 0.35 max |
