X12CrNi23-13 1.4833 BS-EN-10095-1999
Austenitic heat-resisting steels
Steel designation
Name：X12CrNi23-13
Number：1.4833
X12CrNi23-13 1.4833 Chemical composition
C：max.0.15
Si: max.1.00
Mn(max):2.00
P(max):0.045
S(max):0.015
Cr:22～24
Ni:12.00～14.00
N:. max.0.11
X12CrNi23-13 1.4833 Mechanical properties at room temperature
Form: flat products
Thickness a or diameter(d:mm): a ≤75
HB max.:192
Proof strength: Rp0,2N/mm² (min):210
Rp1,0N/mm²(min):250
Tensile strength （Rm N/mm²）:500～700
A % min
Long product:35
Flat products:（1）0,5≤a<3：（1，tr）：33 （2）3 < a （1|tr）: 35
Heat treatment
Symbol: +AT (A T=solution annealed)
Temperature(℃):1050～1150
Type of cooling: water, air, cooling sufficiently rapid
Maximum application temperature Ta for air
Ta max(℃):1000
(The loss of metal caused by scaling does not exceed 1 g/m2⋅h at Ta, and does not exceed 2 g/m2 at Ta + 50 ℃ on average for a period of 120 h with four intermediate coolings.)
Creep properties
Estimated average value of the strength for 1 % elongation at elevated temperature (Strength in N/mm2)
Elongation 1 % in 1 000 h:
600℃:100
700℃:40
800℃:18
900℃:8
Elongation 1 % in 10 000 h:
600℃:70
700℃:25
800℃:10
900℃:5
Estimated average value of the strength for rupture at elevated temperature
(Strength in N/mm2)
Rupture in 1 000 h:
600℃:190
700℃:75
800℃:35
900℃:15
Rupture in 10 000 h:
600℃:120
700℃:36
800℃:18
900℃:8.5
Rupture in 100 000 h:
600℃:65
700℃:16
800℃:7.5
900℃:3
Physical properties for the steels and nickel alloys
Density(kg/dm2):7.9
Linear expansion coefficient (10⁻⁶K⁻¹): between 20℃ and
200℃:16.0
400℃:17.5
600℃:18.0
800℃:18.5
1000℃:19.5
Thermal conductivity
W/(m.K)
at 20℃: 15
at 500℃：19
Specific heat capacity
kJ(kg.k)
at 20℃：0.50
Electrical resistivity
Ω.mm²/m
at 20℃：0.78
Magnetizability：no (slightly magnetic when cold worked)