Tantalum Raw Material

Your Professional Tantalum Raw Material Manufacturer!

Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. is located in the High-tech Development Zone of Baoji City, Shaanxi Province. Its main products include conventional processed profiles and deep-processed products such as tantalum, niobium, titanium, zirconium, nickel, vanadium and their alloys. The company's products are widely used in many fields such as electronics industry, metallurgy industry, chemical industry, aerospace, biomedical engineering and superconducting industry.

Why Choose Us

01/

Professional Team
Our company boasts an experienced and highly skilled professional team. Leveraging years of accumulated technical expertise and a pool of high-caliber talent, we are committed to providing customers with timely, efficient, and comprehensive after-sales service.

02/

Quality Control
We specialize in the export of metal materials. We maintain strict control over every stage, from raw material smelting to finished product export, to ensure the selection of high-quality metal materials and to meet the highest standards at every step.

03/

Qualification Certification
We have obtained ISO9001 quality management system certification, ensuring that our product quality and service levels adhere to international standards.

04/

Sales Market
Our products are primarily exported to North America, Europe, and Asia, and we have established a robust international market network.

Our Best-Selling Tantalum Raw Material Products

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1. Tantalum Block For Melting
Tantalum blocks for melting play an important role in multiple fields due to their high melting point, high corrosion resistance, and excellent physical properties. It is not only an important raw material for industrial fields such as electronics, metallurgy, and hard alloys, but also an indispensable key material for high-tech fields such as aerospace.

2. Tantalum Powder
Tantalum powder is a powder of metallic tantalum with a series of unique physical and chemical properties, mainly used in the electronics industry and other high-tech fields.

3. Tantalum Ingot
Tantalum ingot is an industrial synthetic material mainly obtained by firing tantalum powder in a furnace. Tantalum ingots have a series of excellent physical and chemical properties, including high melting point, low vapor pressure, good cold working performance, high chemical stability, strong corrosion resistance, etc., which can be used to process various common tantalum materials.

Tantalum Block Properties

Molecular Weight	180.94
Appearance	Silvery-gray blocks
Melting Point	3017 °C
Boiling Point	5458 °C
Density	16.69 g/cm³ (20 °C)
Solubility in H2O	N/A
Crystal Phase / Structure	α: body-centered cubic (bcc) / β: tetragonal
Electrical Resistivity	131 nΩ·m (20 °C)
Electronegativity	1.5 Paulings
Heat of Fusion	36.57 kJ/mol
Heat of Vaporization	753 kJ/mol
Poisson's Ratio	0.34
Specific Heat	140 J/kg·K
Thermal Conductivity	57.5 W/m·K
Thermal Expansion	6.3 µm/m·K
Vickers Hardness	870–1200 MPa
Young's Modulus	186 GPa

Tantalum Block Chemical Composition

Chemical composition(%)
	Nb	W	Mo	Ti	Ni	Si	Fe	C	H
Ta1	0.05	0.01	0.01	0.002	0.002	0.05	0.005	0.01	0.0015
Ta2	0.1	0.04	0.03	0.005	0.005	0.02	0.03	0.02	0.005

Tantalum Block Dimensions And Tolerance

Diameter, inch (mm)	Tolerance, +/-inch (mm)
0.762~1.524	0.025
1.524~2.286	0.038
2.286~3.175	0.051

Uses of Tantalum Block

Tantalum block is used widely for the production of electronic components, mainly in capacitors, high-power resistors, and filaments in lamps.

An insulating or dielectric oxide layer forms on the surface of ta. Therefore, the metal used to coat other metals and a high capacitance can be achieved. Due to their small size and weight, tantalum block capacitors are used in mobile or portable telephones, laptops, automotive electronics, and cameras.

Tantalum block is highly inert to the body fluids and used or suitable for making skull plates, screws, and wires used in orthopedic surgery.

It is also used for the production of different types of alloys that have high melting points, strength, and ductility.

Tantalum block alloys are used mainly in turbine blades, rocket nozzles, and nose caps for supersonic aircraft.

It is highly inert toward most acids and alkalies except hydrofluoric acid and hot sulfuric acid. Therefore, it is used for making chemical reaction vessels and pipes for corrosive liquids.

Tantalum block has been used as an electrode in neon lights, and AC/DC rectifiers.

Tantalum Powder Properties

Molecular Weight	180.94
Appearance	Silvery-gray solid
Melting Point	3017 °C
Boiling Point	5458 °C
Density	16.69 g/cm³ (20 °C)
Solubility in H2O	N/A
Crystal Phase / Structure	α: body-centered cubic (bcc) / β: tetragonal
Electrical Resistivity	131 nΩ·m (20 °C)
Electronegativity	1.5 Paulings
Heat of Fusion	36.57 kJ/mol
Heat of Vaporization	753 kJ/mol
Poisson's Ratio	0.34
Specific Heat	140 J/kg·K
Thermal Conductivity	57.5 W/m·K
Thermal Expansion	6.3 µm/m·K
Vickers Hardness	870–1200 MPa
Young's Modulus	186 GPa

Tantalum Powder Grades And Main Content

Grade		FTa-01	FTa-02	FTa-1
Main Content	Ta, %, Minimum	99.95	99.95	99.95
Impurity Content, %,max	O	0.100	0.120	0.180
	C	0.005	0.005	0.008
	N	0.005	0.005	0.008
	H	0.003	0.003	0.003
	Fe	0.004	0.004	0.005
	Ni	0.003	0.003	0.005
	Cr	0.003	0.003	0.005
	Nb	0.003	0.003	0.005
	W	0.002	0.002	0.002
	Mo	0.001	0.001	0.002
	Si	0.003	0.003	0.005
	Mn	0.001	0.001	0.001
	Ti	0.001	0.001	0.001
Fsss(m)		3.0-10.0	3.0-10.0	3.0-10.0
Sieve Mesh		-80	-80	-80

Types of Tantalum Powder

● Nodular tantalum powder is made by molten sodium reduction of tantalum salt or solid magnesium reduction of tantalum (V) oxide. The powder is aggregates of primarily particles and pores. It has relatively low density and high surface area.
● Angular tantalum powder is made by hydride and crush of a solid ingot (either electron beam or vacuum arc melted), and de-hydride. The particle looks angular and is non-aggregated; the bulk density is typically higher than that of nodular.
● Spherical tantalum powder is produced through the spherization of the aforementioned powder or wire materials. This manufacturing process results in particles that possess a nearly spherical shape, featuring a smooth surface and a narrow distribution of particle sizes. These characteristics play a pivotal role in facilitating exceptional flow and enabling dense packing, making them ideal for 3-D printing.

Applications of Tantalum Powder

● As raw material to produce mill products.
● Used as additives in alloy and welding bars.
● Can be used for optic and electronic applications.
● Used for manufacturing supper targets.
● Manufacture capacitors and superalloys.

The Preparation Methods of Tantalum Powder

The methods of preparing tantalum powder include metal thermal reduction of tantalum pentoxide, carbon reduction, molten salt electrolysis, hydrogen reduction of tantalum halide, metal thermal reduction, and metal thermal reduction of tantalum-containing fluorine complex, etc.
At present, the industry mainly uses the sodium reduction method of potassium fluorotantalate to prepare metal tantalum powder, and the reaction formula is K2TaF7+5Na=Ta+2KF+5NaF.

Tantalum Ingot Specifications

Size	Diameter (mm) 70-195
Length (mm)	<=1600
Material	R05200, R05400
Standard	ASTM B364-92
Purity	>=99.9% or 99.95%

Tantalum Ingot Properties

Molecular Weight	180.94
Appearance	Silvery-gray solid
Melting Point	3017 °C
Boiling Point	5458 °C
Density	16.69 g/cm³ (20 °C)
Solubility in H2O	N/A
Crystal Phase / Structure	α: body-centered cubic (bcc) / β: tetragonal
Electrical Resistivity	131 nΩ·m (20 °C)
Electronegativity	1.5 Paulings
Heat of Fusion	36.57 kJ/mol
Heat of Vaporization	753 kJ/mol
Poisson's Ratio	0.34
Specific Heat	140 J/kg·K
Thermal Conductivity	57.5 W/m·K
Thermal Expansion	6.3 µm/m·K
Vickers Hardness	870–1200 MPa
Young's Modulus	186 GPa

Tantalum Ingot Chemical Composition

Element	R05200 (%,Max)	R05400 (%,Max)
C	0.01	0.01
O	0.015	0.03
N	0.01	0.01
H	0.0015	0.0015
Fe	0.01	0.01
Mo	0.02	0.02
Nb	0.1	0.1
Ni	0.01	0.01
Si	0.005	0.005
Ti	0.01	0.01
W	0.05	0.05

Tantalum Ingot Applications

01/

Laboratory Equipment: Tantalum heating elements are extensively utilized in laboratory settings, providing precise and controlled heating for a wide range of experiments, tests, and research applications.

02/

Substitute for Platinum: Tantalum serves as an effective substitute for platinum in various applications due to its high melting point, corrosion resistance, and cost-effectiveness, making it a preferred choice in certain industrial processes.

03/

Superalloys and Electron-Beam Melting: Tantalum is integral in producing superalloys, enhancing their strength and corrosion resistance. It is also employed in electron-beam melting processes, contributing to the creation of high-performance materials.

04/

Metallurgical, Machinery, Glass, and Ceramic Industries: Tantalum finds application in diverse industries, including metallurgy, machinery processing, glass, and ceramics, where its unique properties contribute to the manufacturing of durable and reliable components.

05/

Superalloy Additive: Tantalum acts as a crucial additive in nickel-based superalloys, improving their overall performance in high-stress and high-temperature environments, making them suitable for applications in aerospace and other demanding industries.

06/

Sputtering Targets: Tantalum is employed in the production of sputtering targets, playing a key role in thin-film deposition processes used in the semiconductor industry and other applications requiring precise material deposition.

Tantalum Powder Packing

The Tantalum (Ta) Powder should be stored in a sealed container in a dry and cool place and not exposed to air for an extended period. HM offers vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or can offer customized packaging as per specific requirements.

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Order Process

Contact us: Contact us via email, phone or official website to get detailed information on product specifications, stock status and pricing.

Submit requirements: Clearly convey your specific requirements, including required quantity, quality grade and any special processing or packaging needs.

Receive quotation: We will provide a detailed quotation based on your requirements.

Confirm order: After reviewing and agreeing to all terms and conditions, please place a formal order and specify key details such as delivery date and payment method.

Track order: We maintain close communication with you throughout the production and delivery process to ensure timely delivery of order progress.

Accept goods: After receiving the goods, conduct a thorough quality inspection and quantity verification as specified in the contract.

Complete payment: Complete payment according to the payment method and schedule specified in the contract.

Our Certificate

FAQ

Q: What are 3 facts about tantalum?

A: Tantalum has no known biological role. It is non-toxic. Tantalum is sometimes, but only rarely, found uncombined in nature. It occurs mainly in the mineral columbite-tantalite, which also contains other metals including niobium.

Q: How many shells does tantalum have?

A: Tantalum atoms have 73 electrons and the shell structure is 2.8.

Q: What are 5 physical properties of tantalum?

A: Tantalum is dark (blue-gray), dense, ductile, very hard, easily fabricated, and highly conductive of heat and electricity. The metal is highly resistant to corrosion by acids: at temperatures below 150 °C tantalum is almost completely immune to attack by the normally aggressive aqua regia.

Q: Is tantalum a solid, liquid, or gas?

A: Tantalum is a chemical element with symbol Ta and atomic number 73. Classified as a transition metal, Tantalum is a solid at room temperature.

Q: What are some cool facts about tantalum?

A: It has a melting point of 5,463 °F (2,996 °C), the fourth highest of all metals. In terms of mechanical properties, tantalum is highly ductile, making it suitable for processes such as bending, stamping, and pressing.

Q: What color is tantalum?

A: Tantalum is a unique gray color that has just a hint of blue. The natural color of tantalum is slightly darker than titanium but tantalum bands can also be black.

Q: How does the purity of tantalum block affect its performance?

A: Higher purity usually leads to better performance and reliability in various applications.

Q: Is tantalum flammable?

A: TANTALUM dust reacts rapidly with oxidizing agents (oxygen, fluorine, chlorine). Highly flammable in air, igniting spontaneously when dry.

We're professional tantalum raw material manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy tantalum raw material for sale here and get pricelist from our factory. For price consultation, contact us.

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