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 Hastelloy products with grades
Specification Of Hastelloy Pipe Fittings :
| Specification : |
ASTM B366, ASTM SB 366, ASTM B564, ASME SB564 |
| Dimensions : |
ANSI/ASME B16.9, B16.28, MSS-SP-43. |
| Size : |
1/2″NB TO 12″NB IN |
| Thickness : |
Sch 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 |
Chemical Compositions :
| Alloy Type |
Cr% |
C% |
Co% |
W% |
Mo% |
V% |
Ai% |
Ti% |
Nb % |
Fe% |
Cu% |
Ni% |
| B |
0.6 |
0.1 |
1.25 |
– |
28 |
0.3 |
– |
– |
– |
5.5 |
– |
rest / bal |
| B2 |
1 |
0.02 |
1 |
– |
26.0-30.0 |
– |
– |
– |
– |
2 |
– |
rest / bal |
| C276 |
14.0-16.5 |
0.02 |
2.5 |
3.0-4.5 |
15.0-17.0 |
0.35 |
– |
– |
– |
4.0-7.0 |
– |
rest / bal |
| X |
22 |
0.1 |
1.5 |
0.6 |
9 |
– |
– |
18.5 |
– |
– |
– |
rest / bal |
| C |
16 |
0.07 |
1.25 |
40 |
17 |
0.3 |
– |
– |
– |
5.75 |
– |
rest / bal |
| C4 |
14.0-18.0 |
0.015 |
2 |
– |
14.0-17.0 |
– |
– |
0..70 |
– |
3 |
– |
rest / bal |
| N |
7 |
0.06 |
0.25 |
0.2 |
16.5 |
– |
– |
– |
– |
3 |
0.1 |
rest / bal |
| S |
15.5 |
0.02 |
2 |
1 |
14.5 |
0.6 |
0.2 |
– |
– |
3 |
– |
rest / bal |
| F |
22 |
0.02 |
1.25 |
0.5 |
6.5 |
– |
– |
– |
2.1 |
21 |
– |
rest / bal |
| G |
21.0-23.5 |
0.05 |
2.5 |
1 |
5.5-7.5 |
– |
– |
– |
1.7-2.5 |
18.0-21.0 |
1.5-2.5 |
rest / bal |
| G2 |
23.0-26.0 |
0.03 |
– |
– |
5.0-7.0 |
– |
– |
0.70-1.50 |
– |
rest / bal |
0.70-1.20 |
47.0-52.0 |
| W |
5 |
0.06 |
1.25 |
– |
24.5 |
– |
– |
– |
– |
5.5 |
– |
rest / bal |
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 |
