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1.1 This specification covers welded tubes made from the nickel and nickel-cobalt alloys (UNS N10001, UNS N10242, UNS N10665, UNS N12160, UNS N10629, UNS N10624, UNS N10675, UNS N10276, UNS N06455, UNS N06007, UNS N06975, UNS N08320, UNS N06985, UNS N06002, UNS N06022, UNS N06030, UNS N06035, UNS N06044, UNS N06058, UNS N06059, UNS N06200, UNS N06617, UNS N10362, UNS N06210, UNS N08031, UNS N08034, UNS R30556, UNS N06230, UNS N06686, and UNS R20033)2 listed in Table 1 intended for heat exchanger and condenser tubes and tubes for general corrosive service for heat-resisting applications.
TABLE 1 Chemical Requirements
Composition Limits, %
Ni
Cr
Mo
Fe
W
C
Si
max
Co
Mn
V
P
max
S
max
Ti
Cu
Cb
(Nb)
+Ta
Al
Zr
La
N
B
Cb
(Nb)
Ta
Ni+
Mo
Mg
Ni-Mo Alloys
N10001
remainder
1.0 max
26.0- 30.0
4.0-6.0
...
0.05 max
1.0
2.5 max
1.0 max
0.2- 0.4
0.04
0.03
...
...
...
N10665
remainder
1.0 max
26.0- 30.0
2.0 max
...
0.02 max
0.10
1.0 max
1.0 max
...
0.04
0.03
...
...
...
N10675
65.0 min
1.0- 3.0
27.0- 32.0
1.0-3.0
3.0 max
0.01 max
0.10
3.0 max
3.0 max
0.20 max
0.030
0.010
0.20 max
0.20 max
...
0.50 max
0.10 max
...
...
...
0.20 max
0.20 max
94.0- 98.0
N10629
remainder
0.5- 1.5
26.0- 30.0
1.0-6.0
...
0.01 max
0.05
2.5 max
1.5 max