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1.1 This specification covers high strength, seamless pipe and tube of nickel alloys (UNS N07022, UNS N07725, UNS N07740, UNS N09945, UNS N09925, UNS N07718, UNS N10276, UNS N06985)2 as shown in Table 1.
TABLE 1 Chemical RequirementsElement
UNS
N07022
UNS
N07725
UNS
N07740
UNS
N09945
UNS
N09925
UNS
N07718
UNS
N10276
UNS
N06985
Carbon
0.010 max
0.03 max
0.005-0.08
0.005-0.04
0.03 max
0.08 max
0.02 max
0.015 max
Manganese
0.5 max
0.35 max
1.0 max
1.0 max
1.00 max
0.35 max
1.0 max
1.0 max
Silicon
0.08 max
0.20 max
1.0 max
0.5 max
0.50 max
0.35 max
0.08 max
1.0 max
Phosphorous
0.025 max
0.015 max
0.03 max
0.03 max
...
0.015 max
0.030 max
0.04 max
Sulfur
0.015 max
0.010 max
0.03 max
0.03 max
0.030 max
0.015 max
0.030 max
0.03 max
Chromium
20.0-21.4
19.0-22.5
23.5-25.5
19.5-23.0
19.5-23.5
17.0-21.0
14.5-16.5
21.0-23.5
Cobalt
1.0 max
...
15.0-22.0
...
...
1.0 max
2.5 max
5.0 max
Molybdenum
15.5-17.4
7.00-9.50
2.0 max
3.0-4.0
2.50-3.50
2.80-3.30
15.0-17.0
6.0-8.0
Columbium
...
2.75-4.00
...
2.4-4.5
0.50 max
4.75-5.50
...
...
Titanium
...
1.00-1.70
0.5-2.5
0.5-2.5
1.90-2.40
0.65-1.15
...
...
Aluminum
0.5 max
0.35 max
0.2-2.0
0.01-0.7
0.10-0.50
2.20-0.80
...
...
Zirconium
...
...
...
...
...
...
...
...
Boron
0.006 max
...
0.0006–0.006
...
...
0.006 max
...
...
Iron
1.8 max
RemainderB
3.0 max
RemainderB
22.0 minA
RemainderB
4.0-7.0
18.0-21.0
Copper
0.5 max
...
0.50 max
1.5-3.0
1.50-3.00
0.30 max
...
1.5-2.5
Nickel
RemainderB
55.0–59.0
RemainderB
45.0-55.0
38.0-46.0
50.0-55.0
RemainderB
RemainderB
Tantalum
0.2 max
...
...
...
...
...
...
...
Tungsten
0.8 max
...
...
...
...
...
3.0-4.5
1.5 max
Columbium +
Tantalum
...
...
0.50–2.5
...
...
...
...
0.50 max
Vanadium
...
...
...
...
...
...
0.35 max
...
A Minimum: The element may be determined arithmetically by difference.B Remainder: The element may be determined arithmetically by difference.1.2 Pipe and tube shall be supplied in the cold worked or cold worked and precipitations hardened or solution annealed plus precipitation hardened and descaled conditions. When atmosphere control is used, descaling is not necessary.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.