Hastelloy B2
Hastelloy B2
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Hastelloy B2
Hastelloy B2 is a solid solution strengthened, nickel-molybdenum alloy, with significant resistance to reducing environments like hydrogen chloride gas, and sulfuric, acetic and phosphoric acids. Molybdenum is the primary alloying element which provides significant corrosion resistance to reducing environments.
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  • Introduction
  • PARAMETER
  • APPLICATION
Chemical Composition:

Grade

%

Ni

Cr

Mo

Fe

Co

Hastelloy B-2

Min

Rest


26



Max

1

30

2

1

C

Mn

Si

V

P

S




0.2



0.02

1

0.1

0.4

0.04

0.03

Physical  Performance:

Density

9.24g/cm3



Smelt

1330-1380



Heat Treatment

T*S

Y*S

El

Rm N/mm2

RP0.2N/mm2

A5 %

Hastelloy B-2

690

310

40



Standard of execution:

Form

ASTM

Rod

B 574

Plate, sheet and strip

B 575

Seamless pipe and tube

B 622

Welded pipe

B 619, B 775

Welded tube

B 626, B 751

Welding fitting

B 366

Forged or rolled pipe flange and forged fitting

B 462

Billet and bar for reforging

B 472

Forging

B 564

Characteristics of Hastelloy B2:

Great resistance to stress corrosion cracking and pitting

Significant resistance to reducing conditions like hydrogen chloride, sulfuric, acetic and phosphoric acids

Resistance to hydrochloric acid at all concentrations and temperatures

Applications of Hastelloy B-2:

Chemical processes

Vacuum furnaces

Mechanical components in reducing environments
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