Hastelloy is a family of nickel-based alloys that are known for their excellent corrosion resistance in a variety of harsh environments. Hastelloy alloys are used in a wide range of industries, including chemical processing, aerospace, and marine engineering. Here is a brief description of Taksh Steel India's Hastelloy products with grades:
Specification of Hastelloy Pipe Fittings
| Specification |
ASTM B366, ASTM SB366, ASTM B564, ASME SB564 |
| Dimensions |
ANSI/ASME B16.9, B16.28, MSS-SP-43 |
| Size |
½" NB to 12" NB |
| Thickness |
Sch 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, Sch XXS |
| Types |
Seamless / ERW / Welded / Fabricated |
| Grades |
Hastelloy C22 (UNS No. N06022), Hastelloy B2 (UNS No. N10665), Hastelloy C-4 (UNS No. N06455) |
Equivalent Grades
| Alloy Name |
UNS |
WNR |
| B-2 | N10665 | DIN 2.4617 |
| C | N10002 | — |
| C-4 | N06455 | DIN 2.4610 |
| C-276 | N10276 | DIN 2.4819 |
| G | N06007 | — |
| G-3 | N06985 | DIN 2.4619 |
| N | N10003 | — |
| S | N06635 | — |
| W | N10004 | — |
| X | N06002 | DIN 2.4665 |
Mechanical Properties
| Alloy Name |
Critical Pitting Temp in Acidified 6% FeCl3 |
Acidified 6% FeCl3 Critical Crevice Temperature |
| °F |
°C |
°F |
°C |
| 316L |
59 | 15 | 32 | 0 |
| 254SMO |
140 | 60 | 86 | 30 |
| 625 |
212 | 100 | 104 | 40 |
| C-276 |
>302 | >150 | 131 | 55 |
| C-22® |
>302 | >150 | 176 | 80 |