Titanium Grades Chemical Composition, Grade Chart, Tables and Documents

Titanium alloys come in a variety of grades that have different chemical compositions, and hence mechanical properties, that are designed for specific applications. The first four grades are the good quality austenitic titanium that give a much better resistance to corrosion and formability. The latest grades among the titanium alloys are grade 5, 7, and 9 which have been mixed with other elements like aluminum, palladium and vanadium to impart added features of strength and heat resistance. Among other similar materials, grade 23 is well known for its biocompatibility -the ability to cycle comfortably along with the body - which is why it is commonly used in medical implants. The content analysis of metal grades covering their composition, mechanical properties and standards is essential to get an insight into the information presented in the tables and charts. These documents serve engineers and manufactures in choosing titanium grades that fit the purpose best. The titanium components will be used to produce products with superior performance and unrivaled durability in industrial sectors like aerospace and medical equipment.

Titanium Grades Chemical Composition Table

Titanium, which is a very versatile metal and deserves a series of grades according to various levels of chemical composition, is used in many different applications. Many grades start from pure titanium and then include elements like aluminum, vanadium, and nickel upon alloying. Each grade has its own features – these may include strength, corrosion resistance as well as heat conduction. Also, Grade 1 titanium is titanium almost to 99.5% and thus it is very ductile, while Grade 5 titanium, which is a mix of titanium, aluminum, and vanadium, is known for its out of this word strength-to-weight ratio. A knowledge of the chemical composition of different types of titanium is crucial for selecting the right material for specific industrial, aerospace, or medical purposes.

Titanium Alloy Composition Table
CHEMICAL, PHYSICAL AND MECHANICAL PROPERTIES
CHEMICAL COMPOSITION ASTM Grade
(Max. Values) 1 2 5 7 9 12 23
N, Nitrogen 0,03 0,03 0,05 0,03 0,02 0,03 0,03
C, Carbon 0,1 0,1 0,1 0,1 0,05 0,08 0,08
H, Hydrogen 0,015 0,015 0,0125 0,015 0,013 0,015 0,0125
Fe, Iron 0,2 0,3 0,4 0,3 0,25 0,3 0,25
O, Oxygen 0,18 0,25 0,20 0,25 0,12 0,25 0.13
Pd, Palladium - - - 0,12-0,25 - - -
Al, Aluminum - - 5,5-6,75 - 2,5-3,5 - 5,5-6.5
Mo, Molybdenum - - - - - 0,2-0,4 -
V, Vanadium - - 3,5-4,5 - 2,0-3,0 - 3,5-4,5
Ni, Nickel - - - - - 0,6-0,9 -
Ti, Titanium Bal. Bal. Bal. Bal. Bal. Bal. Bal.

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