HASTELLOY C22
HASTELLOY C22
List of Features
Hastelloy C22
HASTELLOY® C-22® alloy (UNS N06022) is one of the well-known and well-proven nickel-chromium-molybdenum materials, the chief attributes of which are resistance to both oxi-dizing and non-oxidizing chemicals, and protection from pitting, crevice attack, and stress corrosion cracking. Its high chromium content provides much higher resistance to oxidizing media than the family standard, C-276 alloy, and imparts exceptional resistance to chlo-ride-induced pitting, an insidious and unpredictable form of attack, to which the stainless steels are prone.
%Chemical composition
| Co | Fe | Mo | Cr | Ni | |
| (max) 2.5 | 3 | 13 | 22 | Balance | |
| Cu | V | C | Si | Mn | W |
| (max) 0.5 | (max) 0.35 | (max) 0.01 | (max) 0.08 | (max) 0.5 | 3 |
Hardness
| Typical ASTM Grain Size | Hardness, HRBW | Form |
| 5.5 - 3.5 | 88 | Sheet |
| 4.5 - 0 | 88 | Plate |
| 3.5 - 1 | 84 | Bar |
Specifications
| SB 575/B 575 P= 43 |
Sheet, Plate & Strip |
| SB 574/B 574 B 472 P= 43 |
Billet, Rod & Bar |
| SFA 5.11/ A 5.11 (ENiCrMo-10) DIN 2.4638 (EL-NiCr21Mo14W) F= 43 |
Coated Electrodes |
| SFA 5.14/ A 5.14 (ERNiCrMo-10) DIN 2.4635 (SG-NiCr21Mo14W) F= 43 |
& Bare Welding Rods Wire |
| SB 622/B 622 P= 43 |
Seamless Pipe & Tube |
| SB 619/B 619 SB 626/B 626 P= 43 |
Welded Pipe & Tube |
| SB 366/B 366 SB 462/B 462 P=43 |
Fittings |
| SB 564/B 564 SB 462/B 462 P= 43 |
Forgings |
| 17744 No. 2.4602 NiCr21Mo14W |
DIN |
| NACE MR0175 ISO 15156 ASME Code Case No. 2226-2 Case No. N-621-1 |
Others |
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