NiCr15Fe 2.4816 BS-EN-10095-1999
Heat resisting nickel alloys
Designation
Name：NiCr15Fe
Number：2.4816
NiCr15Fe 2.4816 Chemical composition
C：0.05～0.10
Mn(max):max.1.00
Si（max）：0.50
P(max):0.020
S(max):0.015
Ni：min 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
Magnetizability：Paramagnetic