Buy High Quality Aluminium Round Bar From Siddhgiri Tubes

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

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We are a top Aluminum 7075 Round Bars Manufacturer, Supplier & Exporter in India. We provide high-quality Aluminium 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 B221 Round Bars are available in a variety of types, including hot-rolled, annealed, and pickled, and range in thickness from 15 to 400 mm.

ASTM B221 Round Bar Specification, Grades

Standard Specification ASTM B221 / ASTM SB221
Dimensions Chart EN, DIN, JIS, ASTM, BS, ASME, AISI
Size Chart 5 To 500 mm
Diameter 0.1 to 100 mm
Length 100 To 3000 mm Long & Above
Surface Finish Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Form Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

Aluminium 5052 Hex Bar

Aluminium 5052 Hex Bar

Aluminum 7075 Bar

Aluminium 5052 Hex Bar

Aluminium Round Bar Heat Tolerance

Aluminum round bars have good heat tolerance properties, making them suitable for various applications that require lightweight construction and efficient heat transfer. Aluminum is a lightweight metal with excellent thermal conductivity and high melting point, which contributes to its heat tolerance. The specific heat tolerance of aluminum round bars can vary depending on factors such as the alloy composition and the intended application.

Thermal Conductivity

Aluminum has excellent thermal conductivity, allowing it to efficiently transfer and dissipate heat.

This property makes aluminum round bars suitable for applications that require heat dissipation or thermal conductivity.

Melting Point

Aluminum has a relatively low melting point compared to other metals.

Pure aluminum has a melting point of approximately 660°C (1220°F).

However, various aluminum alloys are available with higher melting points, depending on the specific alloy composition.

Thermal Expansion

Aluminum has a relatively high coefficient of thermal expansion, which means it expands and contracts significantly with temperature changes.

This property should be considered when designing applications with aluminum round bars to accommodate thermal expansion and contraction.

Heat Resistance

Aluminum round bars exhibit good heat resistance, allowing them to maintain their structural integrity and mechanical properties at elevated temperatures.

However, prolonged exposure to extremely high temperatures can lead to a reduction in strength and other mechanical properties.

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

Aluminium Round Bar Chemical Composition Chart

Grade Si Fe Cu Zn Mn Mg Ti Cr Al Others(Total)
Aluminium 0.40 – 0.80 0.70 max 0.15-0.40 0.25 max 0.15 0.8-1.2 0.15 max 0.04-0.35 Balance 0.15 max

Aluminium Round Bar Mechanical Properties Chart

Temper Tensile Hardness
  Ultimate Yield Elongation Brinell
T6, T651 45 310 21 145 25 65

Indian Cities we supply our high-quality Hollow Aluminium Round Bar

Indian Cities we supply Hollow Aluminium 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 Aluminium Solid Round Bar

Countries We Export Aluminium Solid 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
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