1.1 This specification covers the requirements for 34 grades of titanium and titanium alloy seamless pipe intended for general corrosion resisting and elevated temperature service as follows:
1.1.1 Grade 18212;Unalloyed titanium, low oxygen,
1.1.2 Grade 28212;Unalloyed titanium, standard oxygen,
1.1.2.1 Grade 2H8212;Unalloyed titanium (Grade 2 with 58 ksi minimum UTS),
1.1.3 Grade 38212;Unalloyed titanium, medium oxygen,
1.1.4 Grade 58212;Titanium alloy (6 % aluminum, 4 % vanadium),
1.1.5 Grade 78212;Unalloyed titanium plus 0.12 to 0.25 % palladium, standard oxygen,
1.1.5.1 Grade 7H8212;Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi minimum UTS),
1.1.6 Grade 98212;Titanium alloy (3 % aluminum, 2.5 % vanadium),
1.1.7 Grade 118212;Unalloyed titanium plus 0.12 to 0.25 % palladium, low oxygen,
1.1.8 Grade 128212;Titanium alloy (0.3 % molybdenum, 0.8 % nickel),
1.1.9 Grade 138212;Titanium alloy (0.5 % nickel, 0.05 % ruthenium), low oxygen,
1.1.10 Grade 148212;Titanium alloy (0.5 % nickel, 0.05 % ruthenium), standard oxygen,
1.1.11 Grade 158212;Titanium alloy (0.5 % nickel, 0.05 % ruthenium), medium oxygen,
1.1.12 Grade 168212;Unalloyed titanium plus 0.04 to 0.08 % palladium, standard oxygen,
1.1.12.1 Grade 16H8212;Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi minimum UTS),
1.1.13 Grade 178212;Unalloyed titanium plus 0.04 to 0.08 % palladium, low oxygen,
1.1.14 Grade 188212;Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.04 to 0.08 % palladium),
1.1.15 Grade 198212;Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),
1.1.16 Grade 208212;Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 to 0.08 % palladium,
1.1.17 Grade 218212;Titanium alloy (15 % molybdenum, 3 % aluminum, 2.7 % niobium, 0.25 % silicon),
1.1.18 Grade 238212;Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI),
1.1.19 Grade 24
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