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Hastelloy B- 3

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Hastelloy B- 3

Common Trade Names: Hastelloy B3; Alloy B3;

HASTELLOY B- 3 alloy (UNS N10675) is an excellent resistance alloy to hydrochloric acid at all concentrations and temperatures. It also withstands sulfuric, acetic, formic and phosphoric acids, and other nonoxidizing media. B- 3 alloy has a special chemistry designed to achieve a level of thermal stability greatly superior to that of its predecessors, HASTELLOY B- 2 alloy. B- 3 alloy has excellent resistance to pitting corrosion, to stress-corrosion cracking and to knife-line and heat-affected zone attack.

Available Product Forms:

Pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon, wire and extruded section.

Forms

Classification

Specification

Forgings

Round

Φ30~Φ350

Rectangle

30x 30~350x350

Hot rolled

Disc, Sleeve, Flange, Ring

As request

Round

Φ8.5~Φ80

Flat

4x 60~50x300

Cold drawn (polished)

Bar

Φ2~Φ60

Wire

Round

Φ0.1~Φ8

Shaped wire

As request

Tubing

Shell

Φ76~Φ200

Cold drawn cold rolled pipe

Φ6.0 x 0.6mm ~Φ200 x 20mm

Cold rolled strip

0.1 x 3.5 x L ~ 20 x 200 x L

Sheet, Plate

0.7≤T≤25,W≤1200,L≤3000

Similar Grades:

UNS

N10675

HB-3Chemical Composition:

Grade

%

Ni

Cr

Mo

Nb

C

Mn

Si

Co

Cu

Al

Ti

Ta

HB-3

Min

65

1.0

27.0

Max

3.0

32.0

0.2

0.01

3.0

0.31

3.0

0.20

0.50

0.20

0.20

HB-3Physical Properties:

Density

9.22g/cm3

Melting Point

1370-1418

HB-3The minimum value of the mechanical properties of an alloy at room temperature:

Status

Tensile strength

Rm

N/mm²

Yield strength

Rp 0.2

N/mm²

Elongation

A5

%

Solid solution treatment

860

420

50

Hb-3 Application:

It is used in numerous chemical process industry (CPI) applications, especially in the construction of reaction vessels for pure, reducing acid service.

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