2.4375 alloy
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2.4375 alloy、Alloy K-500 (marketing department of Shanghai HY Industry Co., Ltd)

Monel alloy has comprehensive properties of toughness and corrosion resistance, and is widely used in chemical and other industries. For example, it is used in the manufacture of heaters, heat exchangers, evaporators, stills, distillation columns, condensers for fatty acid treatment, equipment for treatment of rosin tin acid, chemical pumps, etc. Because the alloy also has high strength and good oxidation resistance at high temperature, it can also be used in the heat treatment industry to manufacture various structural parts. In the nuclear power industry, the alloy has good corrosion resistance to high temperature and high pressure water, so it is also an important structural material for light water reactor nuclear power plants.
2.4375 alloy has approximately three times the yield strength and twice the tensile strength of Monel 400, and higher mechanical properties can be obtained by cold working or age hardening. 2.4375 alloy alloy has the same corrosion resistance as Monel400 alloy.

2.4375 alloy is mainly used for pump shafts and impellers, conveyor scrapers, oil well drill rings, elastic parts, valve pads, etc. Others can also manufacture various heat exchange equipment, boiler feed water heaters, petroleum and chemical pipelines, containers, towers, tanks, valves, pumps, reactors, shafts, etc. Due to the low corrosion rate in flowing seawater and the high strength of this alloy, 2.4375 alloy is suitable for the manufacture of seawater corrosion resistant centrifugal pump shafts. It is suitable for static and flowing seawater.
Executive standard: ASTM B 865, AMS 4676.

2.4375 alloy Chemical composition:

Alloy

%

Ni

Cu

Al

Ti

Fe

Mn

S

C

Si

2.4375 alloy

Min.

63

27.0

2.30

0.35

Max.

33.0

3.15

0.85

2.0

1.5

0.01

0.25

0.5

2.4375 alloy Physical properties:

Density

8.44 g/cm3

Melting point

1315-1350℃

2.4375 alloy minimum mechanical properties in the room temperature:

  Forms

  Condition

 Max. section Thickness,in.(mm)

 Tensile strength Min. Ksi.(Mpa)

 Yield strength Min.Ksi.(Mpa)

Elongation in 2 in,or4D,min.,%

Hardness

HBmin.

 HRC min.

Round bars, Hexagons, squares, rectangles andforgings

  hot-worked and age hardened

   All Sizes

   140(965)

   100(690)

   20

   265

   27

  Round bars

 cold worked and age hardened

1/4(6.4)to 1(25.4)

145(1000)

110(760)

15

300

32

over 1(25.4)to 3(76.2)

140(965)

100(690)

17

280

29

over 3(76.2)to 4(101.6)

135(930)

99(655)

20

255

25

 Hexagons

cold worked andage hardened

 1/4(6.4)to 2(50.8)

 140(965)

 100(690)

 15

 265

 27

Round bars, Hexagons, squares, rectangles andforgings

  Annealed and age hardened

Up to 1(25.4)

130(895)

90(620)

20

250

24

  1(25.4)and over

  130(895)

  85(585)

  20

  250

  24

Shanghai HY Industry Co., Ltd has 20 years craftsman spirit, Alloy Solution expert, Qualified supplier for GE, Siemens

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