1.1 This specification covers the requirements for 28 grades of titanium and titanium alloy tubing intended for surface condensers, evaporators, and heat exchangers, as follows:
1.1.1 Grade 18212;Unalloyed titanium,
1.1.2 Grade 28212;Unalloyed titanium,
1.1.2.1 Grade 2H8212;Unalloyed titanium (Grade 2 with 58 ksi minimum UTS),
1.1.3 Grade 38212;Unalloyed titanium,
1.1.4 Grade 78212;Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.4.1 Grade 7H8212;Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi minimum UTS),
1.1.5 Grade 98212;Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.6 Grade 118212;Unalloyed titanium plus 0.12 to 0.25 % palladium,
1.1.7 Grade 128212;Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.8 Grade 138212;Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.9 Grade 148212;Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.10 Grade 158212;Titanium alloy (0.5 % nickel, 0.05 % ruthenium),
1.1.11 Grade 168212;Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.11.1 Grade 16H8212;Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi minimum UTS),
1.1.12 Grade 178212;Unalloyed titanium plus 0.04 to 0.08 % palladium,
1.1.13 Grade 188212;Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium,
1.1.14 Grade 268212;Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.14.1 Grade 26H8212;Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi minimum UTS),
1.1.15 Grade 278212;Unalloyed titanium plus 0.08 to 0.14 % ruthenium,
1.1.16 Grade 288212;Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium,
1.1.17 Grade 308212;Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.18 Grade 318212;Titanium alloy (0.3 % cobalt, 0.05 % palladium),
1.1.19 Grade 338212;Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),
1.1.20
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