1. Material TypeNO8825 Alloy

Standard

 DIN,EN/ BS/ ASTM,ASME/ ISO

Material

 

W.Nr.2.4816, NiCr21Mo, 2.4858, NA14, UNS NO8825, NiCr15Fe8

Application

Generally used in the chemical processing industry in hot seawater and hydrometallurgy, mainly used in the treatment of hot H2SO4 chloride solution Na2SO3 environment heat exchanger pipelines, valves and water pumps, etc., wood pulp extractor in the paper industry and deep source gas Wells are also widely used

 

%

C

Si

Mn

P

S

Cr

Ni

Mo

N

Cu

Fe

Min

-

-

-

-

-

19.5

38

2.5

0.6

1.5

Balance

Max

0.05

0.5

1

0.04

0.03

23.5

46

3

1.2

3

-

化学成分/Chemical Properties

 

Mechanical Properties

密度/Density

G/cm³

热导率/w(m.k)

Thermal Conductivity

电阻率

Electrical Resistivity

比热容

Specific Heat Volume

线胀系数

Linear Expansivity

0-1000

/(Ω.mm²/m)

)/Kg/(Kg.K)

/(10-6/K)

 

20

200-600

20-1000

8.09

14-28

1.07

500-800

12.7-17.5

温度Temp

0/

Room Temperature

 

 

 

硬度Hardness

HBS

200

 

 

 

 

 

2 .Material TypeN07750 Alloy

Standard

 DIN,EN/ ASTM,ASME/ GB

Material

 

2.4469,  XCr15Fe7TiAl,  N07750,  0Cr15Ni70Ti3AlNb  

Application

Mainly used in the manufacture of aircraft engine work under 800 and corrosion resistance of high strength required ring structure and bolts and other parts, in 540 the following work with medium or low stress relaxation and demanded that the resistance to the plane of the spring and helical spring tangential plane wave spring spiral spring spiral compression spring spring retainer ring and seal ring parts can also be used in the manufacture of turbine blades and other parts

 

Chemical Properties

%

C

Si

Mn

P

S

Cr

Ni

Cu

Nbr

Cu

Fe

Min

0.1

0.5

1.0

0.02

0.01

14

70.0

0.5

0.7

1.5

5

Max

-

-

-

-

-

17

-

-

1.21

-

9

 

Mechanical Properties

密度/Density

G/cm³

热导率/w(m.k)

Thermal Conductivity

电阻率

Electrical Resistivity

比热容

Specific Heat Volume

线胀系数

Linear Expansivity

50-900

/(Ω.mm²/m)

)/Kg/(Kg.K)

/(10-6/K)

 

50

100-900

20-800

8.25

14.7-37.3

1.22

-

13.1-16.2

 

 


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