NiCr15Fe 2.4816 BS-EN-10095-1999

NiCr15Fe 2.4816 BS-EN-10095-1999

Heat resisting nickel alloys

Designation

Name:NiCr15Fe

Number:2.4816

NiCr15Fe 2.4816 Chemical composition

C0.05~0.10

Mn(max):max.1.00

Si(max):0.50

P(max):0.020

S(max):0.015

Nimin 72

Cr:14.00~17.00

Co: (A maximum of 1,5% Co is allowed andcounted as nickel.Reporting of cobalt is not required.)

Fe: 6.00~10.00

Al:max 0.30

Ti:max 0.30

Cu:.max.0.50

NiCr15Fe 2.4816 Mechanical properties at room temperature

Form: flat products

Thickness a or diameter(d:mm): a ≤75

Form: bars

Thickness a or diameter(d:mm): d ≤160

Form: rods

Thickness a or diameter(d:mm): d ≤25

 

HB max.:200

Proof strength: Rp0,2N/mm² (min):240

 

Tensile strength Rm N/mm²):550~850

A % min

Long product: 30

Flat products:(1)0,5≤a<3:(1,tr):30   (2)3≤ a  1:30

 

Heat treatment

Symbol: +A(A = annealed)

Temperature(℃):950~1000

Type of cooling: water, air, cooling sufficiently rapid

Maximum application temperature Ta for air

Ta max(℃):1150

 

Creep properties

Estimated average value of the strength for 1 % elongation at elevated temperature (Strength in N/mm2)

 

Elongation 1 % in 10 000 h:

500℃:153

600℃:91

700℃:43

800℃:18

900℃:8

Elongation 1 % in 100 000 h:

500℃:126

600℃:66

700℃:28

800℃:12

900℃:4

 

 

 

Estimated average value of the strength for rupture at elevated temperature

(Strength in N/mm2)

       Rupture in 1 000 h:

600℃:160

700℃:96

800℃:38

900℃:22

1000℃:11

 

 

Rupture in 10 000 h:

500℃:297

600℃:138

700℃:63

800℃:29

900℃:13

1000℃:7

Rupture in 100 000 h:

500℃:215

600℃:97

700℃:42

800℃:17

900℃:7

 

 

Physical properties for the steels and nickel alloys

Density(kg/dm2):8.4

Linear expansion coefficient (10⁻⁶K⁻¹): between 20℃ and

200℃:13.9

400℃:14.5

600℃:15.3

800℃:16.2

1000℃:16.8

Thermal conductivity

W/(m.K)

      at 20℃: 15

at 500℃:22

 

Specific heat capacity

kJ(kg.k)

        at 20℃:0.46

 

  Electrical resistivity

             Ω.mm²/m

       at 20℃:1.03

 MagnetizabilityParamagnetic

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