ASTM B338
Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers
Organization: | ASTM |
Publication Date: | 10 August 2001 |
Status: | inactive |
Page Count: | 7 |
ICS Code (Pipeline components and pipelines): | 23.040 |
ICS Code (Non-ferrous metal pipes): | 23.040.15 |
scope:
Scope
This specification covers the requirements for 20 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:
Grade 1 - Unalloyed titanium,
Grade 2 - Unalloyed titanium,
Grade 3 - Unalloyed titanium,
Grade 7 - Unalloyed titanium plus 0.12 to 0.25% palladium,
Grade 9 - Titanium alloy (3% aluminum, 2.5% vanadium),
Grade 11 - Unalloyed titanium plus 0.12 to 0.25% palladium,
Grade 12 - Titanium alloy (0.3% molybdenum, 0.8% nickel),
Grade 13 - Titanium alloy (0.5% nickel, 0.05% ruthenium),
Grade 14 - Titanium alloy (0.5% nickel, 0.05% ruthenium),
Grade 15 - Titanium alloy (0.5% nickel, 0.05% ruthenium),
Grade 16 - Unalloyed titanium plus 0.04 to 0.08% palladium,
Grade 17 - Unalloyed titanium plus 0.04 to 0.08% palladium,
Grade 18 - Titanium alloy (3% aluminum, 2.5% vanadium) plus 0.04 to 0.08 % palladium,
Grade 26 - Unalloyed titanium plus 0.08 to 0.14% ruthenium,
Grade 27 - Unalloyed titanium plus 0.08 to 0.14% ruthenium,
Grade 28 - Titanium alloy (3% aluminum, 2.5% vanadium) plus 0.08 to 0.14% ruthenium,
Grade 30 - Titanium alloy (0.3% cobalt, 0.05% palladium),
Grade 31 - Titanium alloy (0.3% cobalt, 0.05% palladium),
Grade 33 - Titanium alloy (0.4% nickel, 0.015% palladium, 0.025% ruthenium, 0.15% chromium), and
Grade 34 - Titanium alloy (0.4% nickel, 0.015% palladium, 0.025% ruthenium, 0.15% chromium).
Tubing covered by this specification shall be heat treated by at least a stress relief as defined in 5.3.
The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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