15-5ph(S51550、05Cr15Ni5Cu4Nb、W.Nr.1.4545、XM-12)
1.Composition(wt%)
|
C
|
Cr
|
Ni
|
Si
|
Mn
|
P
|
S
|
Cu
|
Nb
|
|
≤0.07
|
14.0-15.5
|
3.5-5.5
|
≤1.0
|
≤1.0
|
≤0.04
|
≤0.03
|
2.5-4.5
|
0.15-0.45
|
2.Physical Properties
|
Density
(g/cm3)
|
Electric resistivity
(μΩ·cm)
|
Heat specific capacity
(J·kg-1·K-1)
|
Thermal expansion coefficient
(0-100℃)
|
|
7.8
|
0.98
|
460
|
10.8
|
3.Properties
|
Condition
|
бb/N/mm2
|
б0.2/N/mm2
|
δ5/%
|
ψ
|
HRC
|
|
Precipitation
hardened
|
480℃ageing
|
1310
|
1180
|
10
|
35
|
≥40
|
|
550℃ageing
|
1070
|
1000
|
12
|
45
|
≥35
|
|
580℃ageing
|
1000
|
865
|
13
|
45
|
≥31
|
|
620℃ageing
|
930
|
725
|
16
|
50
|
≥28
|
4.Characteristics
High stress corrosion resistance to marine atmosphere.
5.Applications
Mainly used in aerospace, aircraft parts. |
