Titanium Wire Mesh

Titanium

Titanium is a high-strength and low-density metal, its ductility is pretty good especially in an oxygen-free environment. It is one of the metals with highest strength-to-weight ratio. The colour of pure titanium is metallic lustre white. Its melting point is relatively high, so it is a good refractory metal material. It is a paramagnetic metal with quite low thermal and electrical conductivity. Cheap Titanium wire mesh products as follows:

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Commercial pure titanium’s ultimate tensile strength is same with common low-grade steel alloys which is 434 MPa, however it is 45% lighter than steel alloys. The density of titanium is 60% higher than aluminium, but the its strength is 200% of the most commonly used 6061-T6 aluminium alloy. Titanium could be used for variety of purposes. The tensile strengths of some titanium alloys could achieve 1400 MPa; however, when it is heated 430℃ and above, the strength starts to reduce.

Among many features of titanium, excellent corrosion resistance is the most remarkable one. Corrosion resistance of titanium is almost as good as platinum’s, titanium resists to corrosion of dilute sulphuric acid, diluted hydrochloric acid, chlorine gas, chloride solution and most organic acids, but it also could be dissolved by concentrated acids. Even though titanium is a thermodynamically highly active metal, it reacts with water and air very slow.

When expose to air, a layer of protective passivated oxidation film forms on the surface of titanium, which prevents oxidation to continue. The protective layer is only 1-2nm at the beginning, it slowly thickens over time, reaching a thickness of 25 nm in four years. In high-temperature air, titanium reacts with oxygen easily. It happens when he air temperature reaching 1200℃, and in the pure oxygen, it will react at 610℃ and generate titanium dioxide. Therefore, titanium cannot be melted in the air, since it will burn before the temperature reaches its melting point. Therefore, titanium only can be melted in vacuum or inert gases. When the temperature is 550℃, titanium will react with chlorine gas. It could also be combine with other halogens, and absorb hydrogen. Titanium is one of few elements can burn in pure nitrogen, when the temperature reach 800℃, generate TiN, cause embrittlement.

Common Grade:

Commercial Pure Titanium: TA0, TA1, TA2

Titanium Alloy: TA5, TA7, TA9, TA10, TC4

The Main Features of Titanium:

1. Resistant to corrosion of acids and alkalis, seawater, waste water;

2. Low density, light;

3. Nonmagnetic;

4. The tensile strength of titanium is almost the strongest among all the metals while using in the temperature between -253℃ and 600℃.

Physical Properties of Titanium:

Atomic Number	Atomic Weight	Density (at room temperature)	Melting Point	Linear Expansion Coefficient	Specific Heat	Thermal Conductivity	Heat of Fusion	Electrical Resistivity	Magnetic Ordering
22	47.9	4.506g/cm3	3034°F（1668 °C）	8.4×10-6	0.124 Cal/g/°C	0.041 Cal/cm2/sec/°C/cm	14.15kJ/mol	420 nΩ·m (at 20 °C)	paramagnetic

Chemical Components of Common Grades Titanium:

Grade	Nominal Chemical Components	Chemical Components (mass fraction) %
		Main Components								Impurities, Max.
		Ti	Al	V	Ni	Mo	Ru	Pd	Sn	Fe	C	N	H	O	Other Elements
		Ti	Al	V	Ni	Mo	Ru	Pd	Sn	Fe	C	N	H	O	Single	Total
TA0	Commercial Pure Titanium	Balance	——	——	——	——	——	——	——	0.15	0.10	0.03	0.015	0.15	0.10	0.40
TA1	Commercial Pure Titanium	Balance	——	——	——	——	——	——	——	0.25	0.10	0.03	0.015	0.20	0.10	0.40
TA2	Commercial Pure Titanium	Balance	——	——	——	——	——	——	——	0.30	0.10	0.05	0.015	0.25	0.10	0.40
TA5	Ti-4Al-0.005B	Balance	3.3~4.7	——	——	——	B10.005	——	——	0.30	0.08	0.04	0.015	0.15	0.10	0.40
TA7	Ti-5Al-2.5Sn	Balance	4.0~6.0	——	——	——	——	——	2.0~3.0	0.50	0.08	0.05	0.015	0.20	0.10	0.40
TA9	Ti-0.2Pd	Balance	——	——	——	——	——	0.12~0.25	——	0.30	0.08	0.03	0.015	0.25	0.10	0.40
TA10	Ti-0.3Mo-0.8Ni	Balance	——	——	0.6~0.9	0.2~0.4	——	——	——	0.30	0.08	0.03	0.015	0.25	0.10	0.40
TC4	Ti-6Al-4V	Balance	5.50~6.75	3.5~4.5	——	——	——	——	——	0.30	0.08	0.05	0.015	0.20	0.10	0.40

Pure Titanium Corrosive Rate in Some Corrosive Mediums:

Corrosive Medium		Concentration %	Temperature	Corrosive Rate (mm/a)	Evaluation
Acid	Hydrochloric Acid	1	Room Temperature	0	Excellent
		1	Boiling	0.345	Fine
		5	Room Temperature	0	Excellent
		5	Boiling	6.53	Bad
		10	Room Temperature	0.175	Fine
		10	Boiling	40.87	Bad
		20	Room Temperature	1.34	Bad
		35	Room Temperature	6.66	Bad
	Hydrochloric Acid +Nitric Acid	1：3	Room Temperature	<0.127	Good
		2：1	Room Temperature	<0.127	Good
		3：1	Room Temperature	<0.127	Good
		4：1	Room Temperature	<0.127	Good
		7：1	Room Temperature	<0.127	Good
		20：1	Room Temperature	<0.127	Good
Acid	Sulfuric Acid	5	Room Temperature	0	Excellent
		5	Boiling	13.01	Bad
		10	Room Temperature	0.230	Fine
		60	Room Temperature	0.277	Fine
		80	Room Temperature	32.66	Bad
		95	Room Temperature	1.40	Bad
	Nitric Acid	37	Room Temperature	0	Excellent
		37	Boiling	<0.127	Good
		64	Room Temperature	0	Excellent
		64	Boiling	0.437	Fine
	Sulfuric Acid+Nitric Acid	10：90	Room Temperature	<0.127	Good
		30：70	Room Temperature	<0.127	Good
		50：50	Room Temperature	<0.127	Good
		60：60	Room Temperature	<0.127	Good
	Aqua Regia (Nitric Acid, Hydrochloric Acid)	1：3	Room Temperature	0.004	Excellent
	Aqua Regia (Nitric Acid, Hydrochloric Acid)	1：3	Boiling	<0.127	Good
	Phosphoric Acid	10	Room Temperature	0	Excellent
		10	Boiling	6.40	Bad
		30	Room Temperature	0	Excellent
		30	Boiling	17.60	Bad
		50	Room Temperature	0.097	Good
	Oxalic Acid	5	Room Temperature	0.127	Good
	Oxalic Acid	5	Boiling	29.39	Bad
	Acetic Acid	100	Room Temperature	0	Excellent
	Acetic Acid	100	Boiling	0	Excellent
	Formic Acid	50	Room Temperature	0	Excellent
	Chromic Acid	20	Room Temperature	<0.127	Good
	Chromic Acid	20	Boiling	<0.127	Good
	Lactic Acid	10	Room Temperature	0	Excellent
	Lactic Acid	10	Boiling	0.033	Excellent
	Tannic Acid	25	Room Temperature	<0.127	Good
	Tannic Acid	25	Boiling	<0.127	Good
	Citric Acid	50	Room Temperature	<0.127	Good
	Citric Acid	50	Boiling	0.127~1.27	Fine
	Stearic Acid	——	Room Temperature	<0.127	Good
	Stearic Acid	——	Boiling	<0.127	Good
Alkali	Sodium Hydroxide	20	Room Temperature	0	Excellent
	Sodium Hydroxide	20	Boiling	<0.127	Good
	Sodium Carbonate	20	Room Temperature	<0.127	Good
	Sodium Carbonate	20	Boiling	<0.127	Good
Oxide	Sodium Chloride	20℃	Room Temperature	<0.127	Good
	Sodium Chloride	Saturation	Boiling	<0.127	Good
	Ammonium Chloride	10	Room Temperature	<0.127	Good
	Ammonium Chloride	10	Boiling	0	Excellent
	Magnesium Chloride	10	Room Temperature	<0.127	Good
	Magnesium Chloride	10	Boiling	<0.127	Good
Other Corrosive Mediums	Ammonium Hydroxide	10	Room Temperature	<0.127	Good
	Ammonium Hydroxide	10	Boiling	<0.127	Good
	Hydrogen Peroxide	5	Room Temperature	<0.051	Excellent
	Hydrogen Peroxide	5	Boiling	<0.127	Good

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