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Alloy C276 
2.4819 – N10276

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Material description

The material 2.4819 is a nickel-chromium-molybdenum-tungsten alloy.

The material is highly resistant to oxidising and reducing media. In contrast to many other corrosion-resistant nickel grades, 2.4819 (alloy C276) is resistant to hypochlorite, moist chlorine gas and chlorine dioxide.

The material is also characterised by good resistance to concentrated solutions of metallic and oxidising salts, such as iron(III) chloride.

AN OVERVIEW OF THE PROPERTIES OF 2.4819:

  • High resistance in reducing and oxidising media
  • Resistance to hypochlorite, wet chlorine gas and chlorine dioxide
  • Resistance to concentrated solutions of metallic and oxidising salts

Applications

  • Environmental technology
  • Oil and gas extraction
  • Chemical industry
  • Pulp industry

Material data

Material no.: 2.4819
Name: Alloy C276
UNS no.: N10276
ASTM: B564 / B574
VdTÜV: 400
Other: DIN 17744/17752
Material type: Corrosion-resistant alloy
Data sheet

Chemical composition in %

ASTM B564/574VdTÜV Material sheet 400DIN 17744
Mo15,0 – 17,015,00 – 17,0015,0 – 17,0
Cr14,5 – 16,514,50 – 16,5014,5 – 16,5
Fe4,0 – 7,04,00 – 7,004,0 – 7,0
W3,0 – 4,53,00 – 4,503,0 – 4,5
Co, max.2,52,502,5
C, max.0,0100,010,010
Si, max.0,080,080,08
Mn, max.1,01,001,0
V, max.0,350,350,35
P, max.0,040,0250,020
S, max.0,030,0100,015
NiRestRestRest
Cu, max.0,50

Mechanical properties

Solution annealedBar | forging
D ≤ 88,9 mm|
ASTM B574|ASTM B564		Bar | forging
D ≤ 250 mm|D ≤ 90 mm		Bar
D ≤ 100 mm
DIN 17752
Rm (MPa)≥ 690700 – 950≥ 690
Rp 0,2 (MPa)≥ 283≥ 280≥ 280
Rp 1,0 (MPa)≥ 300≥ 300
A (%)≥ 40q/t ≥ 25 / l ≥ 35≥ 35
Av (J)q/t ≥ 72 / l ≥ 96
Hardness (HBW 2,5/62,5)max. 240

The specified values are non-binding guide values.

Data sheet

24819Download