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Nickel Hastelloy Alloy B-3

Nickel Hastelloy Alloy B-3

Hastelloy B-3 could be a nickel-molybdenum alloy with glorious resistance to erosion, corrosion, and stress-corrosion cracking and, thermal stability superior to it of alloy B-2. additionally, this alloy steel alloy has nice resistance to knife-line and heat–affected zone attack. Alloy B-3...

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Product Details

Hastelloy B-3 could be a nickel-molybdenum alloy with glorious resistance to erosion, corrosion, and stress-corrosion cracking and, thermal stability superior to it of alloy B-2. additionally, this alloy steel alloy has nice resistance to knife-line and heat–affected zone attack. Alloy B-3 conjointly withstands chemical element, acetic, formic and chemical element acids, and alternative non-oxidizing media. moreover, this nickel-base alloy has glorious resistance to acid in any respect concentrations and temperatures. Hastelloy B-3’s distinctive feature is its ability to keep up glorious malleability throughout transient exposures to intermediate temperatures. Such exposures ar habitually experienced  throughout heat treatments related to fabrication.

Limiting Factors of Hastelloy B-3

Alloy B-3 has poor corrosion resistance to oxidizing environments, therefore, it's not counseled to be used in oxidizing media or within the presence of metallic element or metal salts as a result of they'll cause speedy premature corrosion failure. These salts might develop once acid comes in-tuned with iron and copper. Therefore, if this alloy steel alloy is employed in conjunction with iron or copper piping in an exceedingly system containing acid, the presence of those salts might cause the alloy to fail untimely.


Chemical Composition, %

Ni

Mo

Fe

C

Co

Cr

Mn

Si

65.0 min

28.5

1.5

.01 max

3.0 max

1.5

3.0 max

.10 max

Ti

W

Al

Cu





.2 max

3.0 max

.50 max

.20 max






ASTM Specifications

Pipe Smls

Pipe Welded

Tube Smls

Tube Welded

Sheet/Plate

Bar

Forging

Fitting

B622

B619

B622

B626

B333

B335

B564

B366

Mechanical Properties 
Annealed Material

ProductTensile Min. (ksi).2% Yield Min. (ksi)Elongation Min.
Rod & Bar


Sheet/Plate


Welded Pipe & Tube


Seamless Pipe & Tube



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