
Обзор
Компания HDC Manufacturing имеет более чем десятилетний опыт в области изготовления металлических компонентов на заказ. Мы располагаем высокоточным 4-осевым оборудованием и 5-осевой станки, автоматизированные обрабатывающие центры с ЧПУ, а также профессиональная команда дизайнеров и производителей. Мы можем предоставить вам различные процессы обработки, в том числе фрезерование с ЧПУ, токарная обработка с ЧПУ, лазерная резка, литье металлаи многое другое, чтобы довести до совершенства ваши компоненты из титана Grade 2 с учетом ваших конкретных требований.
What is Titanium Grade 2?
Титан Grade 2 – это нелегированный титан. Это особенно похоже на Титан 1 класса. Люди называют это «рабочей силой» промышленного чистого титана. По сравнению с классом 1, он имеет более высокую прочность и превосходные характеристики холодной штамповки. Это лучший выбор во многих областях применения, таких как аэрокосмическая промышленность, производство электроэнергии, химическая обработка и т. д.
Разница между титаном 1-го и 2-го класса
Grade 1 and 2 are majorly identical titanium grades but Grade 1 typically has a bit higher oxygen content and therefore shows slightly different properties. Grade 1 titanium has lower oxygen content offering slightly higher ductility and formability where as the Grade 2 titanium has slightly higher strength owing to its slightly higher oxygen content. Grade 1 has better ductility and weldability as well as an advantage with chemical processing; while grade 2 has better strength and is preferred in aerospace, medical, and automotive applications. In sum, select one between the two qualities relies on the exact application formability, tensile strength and other mechanical performance.
Каковы недостатки титана Grade 2?
Though Titanium Grade 2 can also be considered in many ways a better choice, its disadvantages still exist. The drawback is that it is considerably weaker compared to titanium alloys like Grade 5, which mean limited use in cases that require high strength-to-weight ratios. Secondly, it can be more expensive than the other materials such as stainless steel or aluminum entities, and this might affect budget when constructing. Besides, Titanium Grade 2 can be difficult to machine due to a thermal conductivity and potential for work hardening, which results in prominent tool wear and machining costs. Again, while weldable, it needs stringent welding processes so as to prevent embrittlement or contamination which eventually can lead to impairment of its mechanical properties and corrosion resistance. Furthermore, its cold workability is rather limited, making cold-forming as well as shaping both difficult jobs and possible to lose the strength of the material by producing a crack. Despite the seamless nature of these joins, titanium grade 2 still comes with its share of limitations; yet, it remains very effective as far as corrosion resistance, biocompatibility, and lightweight usage are concerned in myriad of applications.
Химический состав титана марки 2
| Химический элемент | Контент (%) |
| Титан, Ti | ≥ 98,9 |
| Железо, Fe | 0- 0.30 |
| Кислород, О | 0-0.25 |
| Углерод, С | 0-0.08 |
| Азот, Н | 0-0.03 |
| Водород, H | 0- 0.015 |
Влияние меньшего содержания других элементов на титан марки 2
(Lesser amounts of other elements only make a slight difference with Titanium Grade 2), as Grade 2 titanium is a commercial pure titanium alloy whose main component is titanium with minor amounts of other elements such as oxygen, nitrogen, hydrogen, carbon, and iron. Ti-6Al-4V is made up of these elements in a very very low concentration, and thus Ti-6Al-4V have no noticeable effects on the overall properties of Grade 2 titanium. At the same time, the metal is not pure and has foreign elements which may detrimentally affect the material’s mechanical properties, including strength, ductility, and corrosion resistance. Hence, quality control of impurities and alloying elements is fundamental in order to supply high-purity and the specifically desired properties Titanium Grade 2. It should be noted that Grade 2 titanium is normally selected for its outstanding corrosion resistance as well as its biocompatibility and low density as it is applicable in various industrial fields like aerospace, pharmaceutical, and chemical processing.
Механические свойства титана марки 2
| Характеристики | Метрика | Императорский |
| Предел прочности | 485 МПа | 70300 фунтов на квадратный дюйм |
| Предел текучести | 345 МПа | 50000 фунтов на квадратный дюйм |
| коэффициент Пуассона | 0.34-0.40 | 0.34-0.40 |
| Модуль упругости | 105 – 120 ГПа | 15200 – 17400 тыс.фунтов/кв.дюйм |
| Относительное удлинение при разрыве | 28% | 28% |
| Твердость (HV) | 160-200 | 160-200 |

Физические свойства титана марки 2
| Плотность | Бета Трансус | Температура плавления | Теплопроводность | Упругое сопротивление |
| 4,51 г/см³ | 915 °C | 1660 °С | 21,79 Вт м-1 °C-1 | 0,53 мкОм/м |
Термические свойства титана марки 2
| Тепловые свойства | Метрика | Английский |
| Теплота плавления | 325 Дж/г | 140 БТЕ/фунт |
| КТР, линейный | 8,60 мкм/м-°C @Температура 0,000–100 °C | 4,78 мкдюйм/дюйм-°F @Температура 32,0–212 °F |
| 9,20 мкм/м-°C @Температура 0,000–315 °C | 5,11 микродюйм/дюйм-°F @Температура 32,0–599 °F | |
| 9,70 мкм/м-°C @Температура 0,000–540 °C | 5,39 мкдюйм/дюйм-°F @Температура 32,0–1000 °F | |
| Удельная теплоемкость | 0,523 Дж/г-°С @Температура 20,0 °С | 0,125 БТЕ/фунт-°F @Температура 68,0 °F |
| 0,560 Дж/г-°С @Температура 200 °С | 0,134 БТЕ/фунт-°F @Температура 392 °F | |
| 0,620 Дж/г-°С @Температура 400 °С | 0,148 БТЕ/фунт-°F @Температура 752 °F | |
| 0,670 Дж/г-°С @Температура 540 °С | 0,160 БТЕ/фунт-°F @Температура 1000 °F | |
| 0,690 Дж/г-°С @Температура 600 °С | 0,165 БТЕ/фунт-°F @Температура 1110 °F | |
| Теплопроводность | 16,4 Вт/мК | 114 БТЕ-дюйм/час-фут²-°F |
| Температура плавления | <= 1665 °С | <= 3029 °Ф |
| Ликвидус | 1665 °С | 3029 °Ф |
| Бета Трансус | 913 °С | 1680 °Ф |
Методы, подходящие для обработки титана Grade 2
The processing of Titanium Grade 2 utilizes a set of techniques depending on its characteristics. Machining (turning and milling) is widespread but needs to take its time as the material has low thermal conductivity. Only welding technics such as GTAW or EBW lead to risks for contamination and oxidation of the material, thus, precautions have to be taken. Forming processes which can be cold and hot can be used, additional annealing might be necessary to achieve ductility. Heat treating processes (annealing and stress relief) are employed to develop desirable mechanical properties. Surface modifications, such as polishing and anodizing, provide increased corrosion resistance and appearance. By contrast, machine manufacturing techniques like SLM and EBM are very flexible with structures with complex geometries. These methods are typically used for the fabrication of parts for aerospace, medical, and chemical apparatus.
Применение титана класса 2
Extensive use of Titanium Grade 2 is demonstrated through its remarkable features in various industries. It has been used by the aerospace industries in airframe structures and engine parts, the healthcare sector due to its biocompatibility and chemical processes for corrosion-resistant equipment. Besides, it is also used in marine situations, construction buildings, and sports gears because it is durable and resistant to electrochemical oxidation. In general titanium alloy Grade 2 stands out as an irreplaceable material in the industries such as aerospace that need lightweight, corrosion-resistant and have high-performance materials.











