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NS3304 (NS334), N10276, 2.4819, NW0276, C-276 Full Corrosion Resistant Nickel-Based Alloys

C-276 alloy is the first forged nickel-based alloy used to alleviate welding problems. It is currently one of the most corrosion resistant alloys in the world, with a wide range of corrosion resistance in a variety of highly corrosive media and a density of 8.89g/cm³.

 

Standards:

CHINA

GB/T 15007-2008

NS3304(NS334)

AMERICA

ASTM B574-2006

Alloy N10276

GERMANY

DIN 17744:2002

NiMo16Cr15W

2.4819

JAPAN

JIS H4551-2000

NW0276

 

Chemical Composition:

Grade

NS3304

N10276

2.4819

NW0276

C

≤0.020

≤0.010

≤0.010

≤0.010

Si

≤0.08

≤0.08

≤0.08

≤0.08

Mn

≤1.00

≤1.00

≤1.00

≤1.00

P

≤0.040

≤0.040

≤0.040

≤0.020

S

≤0.030

≤0.030

≤0.030

≤0.015

Cr

14.5~16.5

14.5~16.5

14.5~16.5

14.5~16.5

Ni

rest

rem.

rest

Other

Mo

15.0~17.0

15.0~17.0

15.0~17.0

15.0~17.0

Fe

4.0~7.0

4.0~7.0

4.0~7.0

4.0~7.0

W

3.0~4.5

3.0~4.5

3.0~4.5

3.0~4.5

Co

≤2.50

≤2.50

≤2.50

≤2.50

V

≤0.35

≤0.35

≤0.35

≤0.35

Cu

≤0.50

 

Grades:

AMERICA

Haynes International

HASTELLOY® C-276

Special Metals

INCONEL® Alloy C-276

GERMANY

VDM Metals

VDM® Alloy C-276

Nicrofer 5716 hMoW

JAPAN

NIPPON YAKIN

NAS NW276

SWEDEN

SANDVIK

Sanicro 56Mo

 

Material Characteristics:

① High chromium molybdenum content, can withstand oxidation and non-oxidation acid, and has excellent resistance to pitting and crack erosion in the presence of chloride and other halides.For example, in many harsh corrosive environments, including sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, hypochlorite, wet chlorine, etc., it has good corrosion resistance to uniform corrosion, stress corrosion cracking, pitting and crevice corrosion;Strong resistance to sulfide stress cracking and stress corrosion cracking in acidic oilfield environment.

② Low carbon content can reduce the carbide precipitation during welding, so as to ensure the intergranular corrosion resistance in the heat-affected zone of welded joints.

 

Applications:

Because of its excellent overall corrosion resistance, C276 is generally considered to be a versatile corrosion resistant nickel-based alloy with wide applications in the chemical, petrochemical and petroleum industries.Applications include chemical applications for a variety of production purposes, power plant flue gas desulfurization (FGD) systems, and acid oil field environments.