Hastelloy is a group of nickel-based alloys renowned for their exceptional corrosion resistance in challenging environments. These alloys are commonly used across industries such as chemical processing, aerospace, and marine engineering due to their ability to withstand extreme conditions. Hastelloy products come in various grades, each designed to meet specific requirements for strength, durability, and resistance to corrosion. Below is a brief overview of Hastelloy products and their corresponding grades, each suited to different industrial applications.
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 |
