Buy High Quality Tantalum Round Bar From Siddhgiri Tubes

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Siddhgiri Tubes is a well-known Tantalum Round Bar Manufacturer, Supplier, and Exporter. As a premier manufacturer and supplier of Tantalum round bars, we offer superior steel bar that complies with many international standards.

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Tantalum Round Bar Suppliers, Tantalum Bar Manufacturers, Tantalum R05400 Round Bars, Tantalum R05200 Round Bars, Tantalum Round Bar Manufacturer in India

We are a top Tantalum R05200 Round Bars Manufacturer, Supplier & Exporter in India. We provide high-quality Tantalum Round Bars to a variety of industries worldwide. Our proficiency in heat treatment places us in a favored position for manufacturing and exporting Round Bars with a close-by and specific chemistry and for achieving the necessary mechanical qualities. Our ASTM B166 Round Bars are available in a variety of types, including hot-rolled, annealed, and pickled, and range in thickness from 15 to 400 mm.

Tantalum Round Bar Specification, Grades

Standard ASTM B365 / ASTM BS365
Tantalum Bar Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI
Tantalum Round Bar size Diameter: 3-~800mm
Tantalum Hex Bar size 2-100mm A/F
Tantalum Flat Bar size Thickness: 2 -100mm
Width: 10 to 500mm
Tantalum Square Bar size 4 to 100mm
Tantalum Angle Bar size 3mm*20mm*20mm~12mm*100mm*100mm
Tantalum Rectangular Bars Section 3.0 to 12.0mm thickness
Tantalum Channel Bar 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Tantalum Hollow Bar 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Tantalum Threaded Bar Billet Size 1/2 to 495mm Diameter
Tantalum Rectangular Size 33 x 30mm to 295 x 1066mm
Tantalum Hex Bars Finish Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
ASTM B365 Tantalum Hollow Bar Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Tantalum T-Bar Surface Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Rolled Tantalum Flat Bars Condition Hardened & tempered, annealed
ASTM B365 Tantalum Cold Rolled Bar Technique Tantalum Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
ASME SB365 Tantalum Rod Processing Bar cutting to 650mm
Tantalum Rounds Bar Form Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.
Our Tantalum Round Bar conforms to NACE MR0175/ISO 15156

Tantalum Round Bar Heat Tolerance

Tantalum round bars possess exceptional heat tolerance properties, making them suitable for high-temperature applications. Tantalum is known for its high melting point, excellent thermal conductivity, and resistance to thermal expansion. The specific heat tolerance of tantalum round bars can vary depending on the grade and intended application.

High Melting Point

Tantalum round bars have a high melting point, approximately 3,017°C (5,463°F).

This high melting point allows tantalum to maintain its structural integrity at extremely high temperatures.

Thermal Conductivity

Tantalum possesses excellent thermal conductivity, enabling efficient heat transfer and dissipation.

This property is advantageous in applications where heat needs to be managed effectively.

Resistance to Thermal Expansion

Tantalum has a low coefficient of thermal expansion, meaning it expands and contracts minimally with changes in temperature.

This characteristic helps maintain dimensional stability and prevents warping or deformation of tantalum round bars under heat.

Oxidation Resistance

Tantalum exhibits excellent oxidation resistance, even at high temperatures.

It forms a protective oxide layer that prevents further oxidation and corrosion.

Manufacturing Processes of Round Bars

The manufacturing process of round bars depends on the material from which they are made. Here are some of the common manufacturing processes used to make round bars.

Hot Rolled Round Bars: Hot rolling is a process used to produce round bars from large billets or blooms. The metal is heated to a high temperature and then passed through a series of rollers to reduce its diameter. Hot rolled round bars have a rough, scaly surface and are not as precise as cold drawn or turned bars.

Cold Drawn Round Bars: Cold drawing is a process used to produce round bars from hot rolled bars or wire rods. The metal is drawn through a die to reduce its diameter and increase its length. Cold drawn round bars have a smooth surface and tight dimensional tolerances.

Turned Round Bars: Turning is a process used to produce round bars from hot rolled bars or billets. The metal is rotated on a lathe and a cutting tool removes material to produce the desired diameter and surface finish. Turned round bars have a smooth surface and precise dimensional tolerances.

Round Bar Weight & Size Chart Table in kg, mm

Size (mm) Weight (kg/m) Size (mm) Weight (kg/m) Size (mm) Weight (kg/m)
7 x 7 0.337 19 x 19 2.479 38 x 38 9.916
8 x 8 0.44 20 x 20 2.747 40 x 40 10.988
9 x 9 0.556 21 x 21 3.029 42 x 42 12.114
10 x 10 0.687 22 x 22 3.324 45 x 45 13.906
11 x 11 0.831 24 x 24 3.956 48 x 48 15.822
12 x 12 0.989 25 x 25 4.292 50 x 50 17.168
13 x 13 1.161 26 x 26 4.642 53 x 53 19.29
14 x 14 1.346 28 x 28 5.384 55 x 55 20.774
15 x 15 1.545 30 x 30 6.181 60 x 60 24.723
16 x 16 1.758 32 x 32 7.032 65 x 65 29.015
17 x 17 1.985 34 x 34 7.939 70 x 70 33.65
18 x 18 2.225 36 x 36 8.9 75 x 75 38.629

Tantalum Round Bar Chemical Composition Chart

Designation Chief component Elements maxmium %
Ta Nb Fe Si Ni W Mo Ti Nb O C H N
Ta1 Rem   0.004 0.003 0.002 0.004 0.004 0.002 0.03 0.015 0.004 0.0015 0.002
Ta2 Rem   0.01 0.01 0.005 0.02 0.02 0.005 0.08 0.02 0.01 0.0015 0.01
TaNb3 Rem 3.5 0.01 0.01 0.005 0.02 0.02 0.005   0.02 0.01 0.0015 0.01
TaNb20 Rem 17.023.0 0.01 0.01 0.005 0.02 0.02 0.005   0.02 0.01 0.0015 0.01
Ta2.5W Rem   0.005 0.003 0.002 3.0 0.006 0.002 0.04 0.015 0.005 0.0015 0.006
Ta10W Rem   0.005 0.003 0.002 11 0.006 0.002 0.04 0.015 0.005 0.0015 0.006

Tantalum Round Bar Mechanical Properties Chart

Type Ultimate Tensile Strength
min.psi (Mpa)
Yeild Strength
min.psi (Mpa)
Elongation, % (min)
R05200 / R05400 25,000(172) 15,000(103) 25
R05252 40,000(276) 20,000(138) 20
R05255 70,000(482) 55,000(379) 20
R05240 35,000(241) 15,000(103) 25

Indian Cities we supply our high-quality Tantalum Round Bar

Indian Cities we supply Tantalum Round Bar
Bangalore Mumbai Chennai Hyderabad Kolkata Pune
New Delhi Ahmedabad Jaipur Surat Salem Gandhinagar
Bhiwandi Tiruppur Sivakasi Jamnagar Thiruvananthapura Rajahmundry
Bhubaneswar Vijaywada Firozabad Bokaro Steel City Rajkot Bharuch
Panna Raipur Cochin Ludhiana Panipat Durgapur
Peenya Pimpri-Chinchwad Channapatna Kharagpur Nashik Bareilly
Varanasi Haldia Rourkela Bengaluru Moradabad Indore
Visakhapatnam Trivandrum Pithampur Dibrugarh Angul Gwalior
Coimbatore Kannur Nagpur Vadodara Rudrapur Noida
Agra Bhagalpur Jamshedpur Bhilai Lucknow kanpur
Thane Bhopal Sri City Bareilly Hosdurg Pithampur

Countries We our high-quality Tantalum Round Bar

Countries We Export Tantalum Round Bar
Argentina USA Saudi Arabia Nigeria Russia India Syria Hungary
Bolivia Canada Iran Algeria Norway Singapore Jordan Albania
Brazil Mexico Iraq Angola Germany Malaysia Cyprus Austria
Chile Panama UAE South Africa France Indonesia Greece Switzerland
Venezuela Costa Rica Qatar Libya Italy Thailand Czech Republic Slovakia
Colombia Puerto Rica Bahrain Egypt UK Vietnam Portugal Finland
Ecuador Trinidad And Tobago Oman Sudan Spain South Korea Bangladesh Ireland
Guyana Jamaica Kuwait Equatorial Guinea Ukraine Japan Mayanmar Croatia
Paraguay Bahamas Turkey The Republic Of Congo Netherlands Sri Lanka Taiwan Slovenia
Uruguay Denmark Yemen Gabon Belgium Maldives Cambodia Malta
siddhgiri tubes

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+91 97734 70471

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Shop No, 85, Durgadevi St, Kumbharwada, Mumbai - 400004