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Hastelloy C4 (Alloy C4, 2.4610, UNS N06455)
Hastelloy C4 is a versatile Ni-Cr-Mo alloy with extremely high resistance to corrosion. Hastelloy C4 also has excellent resistance to general and localized corrosion and stress corrosion.
Hastelloy C-4 (UNS N06455) is very resistant to many aggressive chemicals, especially hydrochloric acid, sulfuric acid and chlorides. Hastelloy C4 is one of the best corrosion resistant alloys in nickel-chromium-molybdenum alloys. Like other nickel alloys, Hastelloy C4 is ductile, easy to weld and weld, and the stress in chloride bearing solutions has exceptional corrosion resistance. With its high chromium and molybdenum content, it can withstand both oxidizing and non-oxidizing acids and is resistant to pitting and crack attack in the presence of chlorides and other halides.
| Composition | Standart | Specification | Key Features | Application | ||||||||||||||||||||||||||||||||||||||
|
ASTM B574 ASTM B619 |
W.NR 2.4610 UNS N06455 AWS 052 |
Excellent resistance to stress-corrosion crack and high oxidizing atmosphere at high temperatureHot contaminated mineral acids, solvents, chlorine, formic and extraordinary resistance to a wide variety of chemical processing environments including acetic acids and saltwater. | Chemical processing | ||||||||||||||||||||||||||||||||||||||
| Density | 8.64 g/cm³ | 0.312 lb/in³ | ||||||||||||||||||||||||||||||||||||||||
| Melting point | 1399°C | 2550°F | ||||||||||||||||||||||||||||||||||||||||
| Coefficient of expansion | 10.8 μm/m °C (20 – 100°C) | 6.0 x 10-6 in/in °F (70 – 212°F) | ||||||||||||||||||||||||||||||||||||||||
| Modulus of elasticity | 81.2 kN/mm² | 11777 ksi | ||||||||||||||||||||||||||||||||||||||||
HASTELLOY C4 STANDARTS AND SPECIFICATIONS
| Hastelloy C-4 (N06455, W86445) | |
| Plate and sheet | ASME SB 575 / ASTM B 575 |
| Rod and bar | ASME SB 574 / ASTM B 574 |
| Electrode | SFA 5.11/ A 5.11 (ENiCrMo-7) |
| Welding rod and wire | SFA 5.14/ A 5.14 (ERNiCrMo-7) |
| Seamless pipe | ASME SB 622 / ASTM B 622 |
| Welded pipe | ASME SB 619 / ASTM B 619 |
| Forged parts | ASME SB 366 / ASTM B 366 |
| DIN | 17744 No. 2.4610 NiMo16Cr16Ti |
