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Hasterlloy C276
    

A nickel-molybdenum-chromium alloy with an addition of tungsten having excellent corrosion resistance in a wide range of severe environments. The high molybdenum content makes the alloy especially resistant to pitting and crevice corrosion. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. Used in pollution control, chemical processing, pulp and paper production, and waste treatment.

UNS: N10276 / W.Nr.:  2.4819

Limiting Chemical Composition

Alloy

%

Ni

Cr

Fe

C

Mn

S

Si

V

Co

W

Alloy C276

Max.

16.5

7.0

0.01

1.0

0.03

0.08

0.35

2.5

4.5

Min.

Bal

14.5

4.0

3.0

%

Mo

P

 

Max.

17.0

0.04

 

Min.

15.0

 

Nominal Mechanical Properties

Density

g/cm3

Melting Range  °C

Tensile Strength

Rm N/mm2

Yield Strength

RP 0.2N/mm2

Elongation

A5%

8.89

1325-1370

>741Mpa

>347Mpa

67

Hasterlloy C-276 is resistant to general corrosion, stress-corrosion cracking, pitting and crevice corrosion in a broad range of severe environments. Its resistance to carbide precipitation during welding maintains corrosion resistance in the heat-affected zones of welded joints. It has exceptional resistance to sulfuric acid and hydrochloric acid. It resists many of the most severe media encountered in chemical processing, including reducing and oxidizing acids, highly oxidizing, neutral, and acid chlorides, solvents, formic and acetic acids, acetic anhydride, wet chlorine gas, hypochlorites, andchlorine solutions. It has excellent resistance to phosphoric acid. At all temperatures below the boiling point and at concentrations lower than 65 wt %, tests have shown corrosion rates of less than 5 mpy (0.13 mm/y). Hasterlloy C-276 exhibits excellent resistance to corrosion by seawater especially under crevice conditions which induce attack in other commonly used materials such as 316 stainless steel, MONEL® alloy 400, and INCONEL alloy 625. In typical room-temperature, for annealed bar: Tensile Strength 110KSI / 758MPA, Yield Strength(0.2%Offset) 52.6KSI / 363MPA, Elongation 62%.

Available Product Forms: Pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire

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Add:No. 1521 Jia Tang Highway ,Lou Town, Jiading District ,ShangHai,China
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