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Scope

1.1 This specification covers the requirements for 26 grades of titanium and titanium alloy welded pipe intended for general corrosion resisting and elevated temperature service as follows:

1.1.1 Grade 1—Unalloyed titanium, low oxygen,

1.1.2 Grade 2—Unalloyed titanium, standard oxygen,

1.1.3 Grade 3—Unalloyed titanium, medium oxygen,

1.1.4 Grade 5—Titanium alloy (6 % aluminum, 4 % vanadium),

1.1.5 Grade 7—Unalloyed titanium plus 0.12 % to 0.25 % palladium, standard oxygen,

1.1.6 Grade 9—Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.7 Grade 11—Unalloyed titanium plus 0.12 % to 0.25 % palladium, low oxygen,

1.1.8 Grade 12—Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.9 Grade 13—Titanium alloy (0.5 % nickel, 0.05 % ruthenium), low oxygen,

1.1.10 Grade 14—Titanium alloy (0.5 % nickel, 0.05 % ruthenium), standard oxygen,

1.1.11Grade 15—Titanium alloy (0.5 % nickel, 0.05 % ruthenium), medium oxygen,

1.1.12 Grade 16—Unalloyed titanium plus 0.04 % to 0.08 % palladium, standard oxygen,

1.1.13 Grade 17—Unalloyed titanium plus 0.04 % to 0.08 % palladium, low oxygen,

1.1.14 Grade 18—Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.04 % to 0.08 % palladium),

1.1.15 Grade 19—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

1.1.16 Grade 20—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,

1.1.17 Grade 21—Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),

1.1.18 Grade 23—Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),

1.1.19 Grade 24—Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.20 Grade 25—Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,

1.1.21 Grade 26—Unalloyed titanium plus 0.08 % to 0.14 % ruthenium,

1.1.22 Grade 27—Unalloyed titanium plus 0.08 % to 0.14 % ruthenium,

1.1.23 Grade 28—Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 % to 0.14 % ruthenium,

1.1.24 Grade 29—Titanium alloy (6 % aluminum, 4 % vanadium with extra low interstitial elements (ELI)) plus 0.08 % to 0.14 % ruthenium,

1.1.25 Grade 33—Titanium alloy (0.4% nickel, 0.015% palladium, 0.025% ruthenium, 0.15% chromium), and

1.1.26 Grade 34—Titanium alloy (0.4% nickel, 0.015% palladium, 0.025% ruthenium, 0.15% chromium).

1.1.27 Grade 35—Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon).

1.2 Pipe 8 in. NPS (nominal pipe size) and larger is most frequently custom made for an order. In such cases, the purchaser carefully should consider the applicability of this specification. Since the pipe is custom made, the purchaser may choose a wall thickness other than those in to meet specific operating conditions. The purchaser may also be better served to specify only the portions of this specification that are required to meet the operating conditions (for example, annealing, flattening test, chemistry, properties, etc.)

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only.

1.4 Optional supplementary requirements are provided for pipe where a greater degree of testing is desired. These supplementary requirements may be invoked by the purchaser, when desired, by specifying in the order.

Keywords

pipe; titanium; titanium alloy; welded pipe; ICS Number Code 77.150.50 (Titanium products)

To find similar documents by ASTM Volume:

02.04 (Nonferrous Metals--Nickel, Cobalt, Lead, Tin, Zinc, Cadmium, Precious, Reactive, Refractory Metals and Alloys; Materials for Thermostats, Electrical Heating and Resistance Contacts, and Connectors)

To find similar documents by classification:

77.150.50 (Titanium products)

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