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现行 ASTM B338-17(2021)
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Standard Specification for Seamless and Welded Titanium and Titanium Alloy Tubes for Condensers and Heat Exchangers 冷凝器和热交换器用无缝和焊接钛及钛合金管标准规范
发布日期: 2021-11-01
1.1 本规范 2. 涵盖了用于表面冷凝器、蒸发器和热交换器的28级钛和钛合金管的要求,如下所示: 1.1.1 1级- UNS R50250。非合金钛, 1.1.2 2级- UNS R50400。非合金钛, 1.1.2.1 2H级- UNS R50400。非合金钛(最低UTS为58 ksi(400 MPa)的2级), 1.1.3 3年级- UNS R50550。非合金钛, 1.1.4 7年级- UNS R52400。非合金钛加0.12至0.25 % 钯, 1.1.4.1 7H级- UNS R52400。非合金钛加0.12至0.25 % 钯(7级,最小UTS为58 ksi(400 MPa), 1.1.5 9年级- UNS R56320。钛合金(3 % 铝,2.5 % 钒), 1.1.6 11年级- UNS R52250。非合金钛加0.12至0.25 % 钯, 1.1.7 12年级- UNS R53400。钛合金(0.3 % 钼,0.8 % 镍), 1.1.8 13年级- UNS R53413。 钛合金(0.5 % 镍,0.05 % 钌), 1.1.9 14年级- UNS R53414。钛合金(0.5 % 镍,0.05 % 钌), 1.1.10 15年级- UNS R53415。钛合金(0.5 % 镍,0.05 % 钌), 1.1.11 16年级- UNS R52402。非合金钛加0.04至0.08 % 钯, 1.1.11.1 16H级- UNS R52402。非合金钛加0.04至0.08 % 钯(16级,最小UTS为58 ksi(400 MPa), 1.1.12 17年级- UNS R52252。非合金钛加0.04至0.08 % 钯, 1.1.13 18年级- UNS R56322。钛合金(3 % 铝,2.5 % 钒)加0.04至0.08 % 钯, 1.1.14 26年级- UNS R52404。非合金钛加0.08至0.14 % 钌, 1.1.14.1 26H级- UNS R52404。非合金钛加0.08至0.14 % 钌(26级,最小UTS为58 ksi(400 MPa), 1.1.15 27年级- UNS R52254。非合金钛加0.08至0。 14 % 钌, 1.1.16 28年级- UNS R56323。钛合金(3 % 铝,2.5 % 钒)加0.08至0.14 % 钌, 1.1.17 30级- UNS R53530。钛合金(0.3 % 钴,0.05 % 钯), 1.1.18 31年级- UNS R53532。钛合金(0.3 % 钴,0.05 % 钯), 1.1.19 33年级- UNS R53442。钛合金(0.4 % 镍,0.015 % 钯,0.025 % 钌,0.15 % 铬), 1.1.20 34年级- UNS R53445。钛合金(0.4 % 镍,0.015 % 钯,0.025 % 钌,0.15 % 铬), 1.1.21 35年级- UNS R56340。钛合金(4.5 % 铝,2 % 钼,1.6 % 钒,0.5 % 铁,0.3 % 硅), 1.1.22 36年级- UNS R58450。钛合金(45 % 铌), 1.1.23 37年级- UNS R52815。钛合金(1.5 % 铝), 1.1.24 38年级- UNS R54250。钛合金(4 % 铝,2.5 % 钒,1.5 % 铁),以及 1.1.25 39级- UNS R53390。 钛合金(0.25%铁,0.4%硅)。 注1: H级材料与相应的数字级(即2H级=2级)相同,但更高的保证最小UTS除外,并且可能始终被证明满足其相应数字级的要求。2H、7H、16H和26H级主要用于压力容器。 1.2 以英寸-磅为单位的数值应视为标准值。括号中给出的值是到国际单位制的数学转换,仅供参考,不被视为标准值。 1.3 本国际标准是根据世界贸易组织技术性贸易壁垒(TBT)委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。
1.1 This specification 2 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 1— UNS R50250. Unalloyed titanium, 1.1.2 Grade 2— UNS R50400. Unalloyed titanium, 1.1.2.1 Grade 2H— UNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS), 1.1.3 Grade 3— UNS R50550. Unalloyed titanium, 1.1.4 Grade 7— UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium, 1.1.4.1 Grade 7H— UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS), 1.1.5 Grade 9— UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium), 1.1.6 Grade 11— UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium, 1.1.7 Grade 12— UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel), 1.1.8 Grade 13— UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium), 1.1.9 Grade 14— UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium), 1.1.10 Grade 15— UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium), 1.1.11 Grade 16— UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium, 1.1.11.1 Grade 16H— UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS), 1.1.12 Grade 17— UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium, 1.1.13 Grade 18— UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 to 0.08 % palladium, 1.1.14 Grade 26— UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium, 1.1.14.1 Grade 26H— UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS), 1.1.15 Grade 27— UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium, 1.1.16 Grade 28— UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.08 to 0.14 % ruthenium, 1.1.17 Grade 30— UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium), 1.1.18 Grade 31— UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium), 1.1.19 Grade 33— UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium), 1.1.20 Grade 34— UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium), 1.1.21 Grade 35— UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon), 1.1.22 Grade 36— UNS R58450. Titanium alloy (45 % niobium), 1.1.23 Grade 37— UNS R52815. Titanium alloy (1.5 % aluminum), 1.1.24 Grade 38— UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron), and 1.1.25 Grade 39— UNS R53390. Titanium alloy (0.25 % iron, 0.4 % silicon). Note 1: H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use. 1.2 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. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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