Hastelloy

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:

Pipe Fittings Specification :

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

Material

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