Hastelloy flanges have excellent corrosion resistance in both oxidizing and reducing media which makes it well suited for a variety of strong corrosive applications. Hastelloy flanges also have exceptional resistance to both sulfuric acid and hydrochloric acid.

Because Hastelloy flanges resist some of the most severe media, Hastelloy flanges are often utilized in chemical processing applications where acid chlorides, solvents, formic and acetic acids, acetic anhydride, wet chlorine gas, hypochlorites, chlorine solutions and phosphoric acid are used. For chemical processing applications, Hastelloy C276 is the most common grade and one of the most corrosion resistant nickel alloys – exceeding that of most other nickel alloy grades like Inconel or Monel.

Specifications of Hastelloy C276 Flanges

Specifications

ASTM B564 / ASME SB564

Standard

ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Size

1/2″NB TO 60″NB

Class / Pressure

150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Standards

ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

ASTM B564 Hastelloy C276 Flanges Equivalent Grades

STANDARD

WERKSTOFF NR.

UNS

AFNOR

GOST

JIS

OR

EN

Hastelloy C276

2.4819

N10276

-

ХН65МВУ

NW 0276

ЭП760

NiMo16Cr15W

Hastelloy C276 Flanges Chemical Composition

GRADE

Ni

Mo

Cr

C

Co

MN

SI

FE

W

S

V

P

Hastelloy C276

Bal

15-17

14.5 - 16.5

0.01 Max

2.5 Max

1.0 Max

0.08 Max

4 - 7

3 - 4.5

0.03 Max

0.35 Max

0.04 Max

Hastelloy C276 Flanges Mechanical Properties

Density

Melting Point

Yield Strength (0.2%Offset)

Tensile Strength

Elongation

8.89 g/cm33

1370 °C (2500 °F)

Psi – 52,000 , MPa – 355

Psi – 1,15,000 , MPa – 790

40 %

Hastelloy Chemistry & Specifications

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