Nickel-chromium-cobalt-molybdenum alloy
A nickel-chromium-cobalt-molybdenum alloy includes (in weight %) Cr 21-23%, Fe 0.05-1.5%, C 0.05-0.08%, Mn≦0.5%, Si≦0.25%, Co 11-13%, Cu≦0.15%, Mo 8.0-10.0%, Ti 0.3-0.5%, Al 0.8-1.3%, P<0.012%, S<0.008%, B>0.002-<0.006%, Nb>0-1%, N≦0.015%, Mg≦0.025%, Ca≦0.01%, V 0.005-0.6%, optionally W in contents between 0.02-max. 2%, Ni rest as well as smelting-related impurities, in the form of tubes, sheets, wire, bars, strips or forgings, wherein the alloy satisfies the following formula: X3=5−50, wherein X 3 = 100 * X 1 X 2 and X1=C+5N and X2=0.5Ti+Nb+0.5 V.
1. Nickel-chromium-cobalt-molybdenum alloy,
consisting of (in % by wt)
Cr 21-23%
Fe 0.05-1.5%
C 0.05-0.08%
Mn≦0.5%
Si≦0.25%
Co 11-13%
Cu≦0.15%
Mo 8.0-10.0%
Ti 0.3-0.5%
Al 0.8-1.3%
P<0.012%
S<0.008%
B>0.002-<0.006%
Nb>0-1%
N≦0.015%
Mg≦0.025%
Ca≦0.01%
V≦0.005-≦0.6%,
optionally W in contents between 0.02-max. 2%
Ni Rest as well as smelting-related impurities,
in the form of tubes, sheets, wire, bars, strips or forgings, wherein the alloy satisfies the following formula:
X3=5−50, wherein
X
3
=
100
*
X
1
X
2
and
X1=C+5N
and
X2=0.5Ti +Nb+0.5V.
2. Alloy according to claim 1 , with (in % by wt): B>0.002-<0.005%.
3. Alloy according to claim 1 , with (in % by wt) Mn≦0.3%.
4. Alloy according to claim 1 , wherein the proportion of carbides is >0.9%.