Hastelloy C-4• • Trade name of Haynes International
W.NR 2.4610
UNS N0455
AWS 052
UNS N0455
AWS 052
This Nickel-Chromium-Molybdenum alloy tolerates high
temperatures
and gives a design freedom in areas where weld geometry
makes
excessive heat build-up unavoidable. Resistance to general
and localised corrosion and stress corrosion cracking is
generally similar
to Hastelloy C-276.
Applications include:
- Chemical Processing
| Approximate Chemical Composition | |
| Ni | 65% |
| Cr | 16% |
| Mo | 16% |
| Fe | 3% max |
| Co | 2% max |
| DENSITY | 8.64 g/cm3 | 0.312 lb/in3 |
| MELTING POINT | 1399oC | 2550oF |
| COEFFICIENT OF EXPANSION | 10.8 µm/m °C ( 20 - 100°C) |
6.0 x 10-6 in/in
°F ( 70 - 212°F) |
| MODULUS OF RIGIDITY | 81.2 kN/m2 | 11777 ksi |
| MODULUS OF ELASTICITY | 212.4 kN/m2 | 30807 ksi |
| CONDITION OF SUPPLY | HEAT TREATMENT (AFTER FORMING) |
| Annealed/Spring Temper | Stress relieve at 400oC - 450oC (750oF - 840oF) for 2 hours and air cool. |
| CONDITION |
APPROX TENSILE STRENGTH |
APPROX SERVICE TEMPERATURE |
||||
| Annealed | 800-1100 N/mm2 | 116-159 ksi | -200o to +400oC | -330o to +750oF | ||
| Spring Temper | 1300-1500 N/mm2 | 189-218 ksi | -200o to +400oC | -330o to +750oF | ||
| STANDARDS | |
| ASTM B574 | ASTM B619 |
