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Hastelloy B2

Detail

HastelloyB2

Material designation:Hastelloy B-2

US grade: UNS N10665

German grade: W.Nr.2.4617

I. Overview of Hastelloy B2(N10665, 2.4617):

Hastelloy B2N106652.4617is a corrosion-resistant, solid-solution nickel-molybdenumalloy.

1. Main Features:

(1) Control the minimum content of iron andchromium to prevent the formation of β-phase Ni4Mo.

(2) Excellent corrosion resistance to reducingenvironment.

(3) Excellent resistance to corrosiveness ofmedium sulfuric acid and many non-oxidizing acids

(4) Good resistance to chloride ion reductionstress corrosion cracking (SCC).

(5) Excellent resistance to various organicacids.

II. Chemical composition: %

C≤

Si≤

Mn≤

P≤

S≤

Cr≤

Ni≥

Mo≥

Cu≤

0.02

0.1

1

0.04

0.03

1

balance

26.0-30.0

-

Other

N≤

Al≤

Ti≤

Fe≤

Co≤

V≤

Nb≤

Nb≤

-

-

-

2

1

-

-

-

III. Physical properties:

(1) Density: ρ = 9.2g / cm3

(2) Melting temperature range: 1330 1380.

Temperature

Specific heat capacity

Thermal conductivity

Resistivity

Elastic modulus:

Linear expansion coefficient:

J/Kg K

W/m K

μΩcm

KN/mm2

10-6/K

0

373


137

218


20

377

11.1

137

217


93






100

389

12.2

138

213

10.3

200

406

13.4

138

208

10.8

204






300

423

14.6

139

203

11.1

316






400

431

16

139

197

11.4

427






500

444

17.3

141

191

11.6

538






600

456

18.7

146

184

11.8

649






700




176


IV. Application:

Hastelloy B-2 has a wide range of applicationsin the fields of chemistry, petrochemicals, energy manufacturing, and pollutioncontrol, especially in industries such as sulfuric acid, hydrochloric acid,phosphoric acid, and acetic acid. For special applications, consult thematerial supplier.   

V. Specifications and   Ex-factory status:

1. Classification: We can supply in form ofHastelloy B2N106652.4617seamless pipes, steel plates, round steel, forgings,flanges, rings, welded pipes, steel strips, wire and supporting weldingmaterials.

2. Ex-factory status: Seamless Tube: solidsolution + acid white, length can be fixed; Plate: solid solution, pickling,trimming; Welded Tube: solid solution acid white + RT% flaw detection; Forging:annealing + turning; the bar is delivered in the state of forging, surfacepolishing or lapping; the strip is delivered after cold rolling, solid solutionsoftening, and descaling; the wire is solid-dissolved and pickled in a disc orstraight strip, solid solution straight polished.


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