Invar Round Bars Supplier, Stockist

Robust Special Metals is an Invar round bars supplier and stockist in Mumbai, India. Invar is an alloy of nickel and iron with a low coefficient of thermal expansion. It is, therefore, Invar metal bars are a good option for applications that need to be dimensionally stable and accurately measured. What makes Invar round bars unique from other materials is the fact that they can retain their shape and size despite high temperature fluctuations

A variety of sectors such as aerospace electronics and precision engineering commonly use invar round bars. The diverse grades of Invar bars that we offer have specific properties that cater to different uses. These are Invar 36, Invar 48, and Invar 42.

We provide Invar nickel alloy bars in a variety of sizes and shapes to match your individual project requirements. Our selection comprises round bars with diameters ranging from 3mm to 200mm, as well as other forms and specifications upon request.
invar bar

Invar Bar, Invar Rod, Invar Bar Stock, Invar Round Bar, Invar Rod Suppliers in India.

Invar alloy round bars are used in a wide range of applications. They are fit to use in finicky instruments like clocks, watches, and compasses. Other typical applications of Invar circular bars are found in the aerospace industry, such as satellites and spacecraft. They offer superior dimensional stability and have thermal stress; thus, they are best suited for use in extreme settings.

Quality is most important in Robust Special Metals, and that’s why we are proud of the different testing procedures our employees use to verify the quality of products we deliver. The Invar cylindrical bars undergo strict testing procedures such as ultrasonic testing and chemical analysis in order to guarantee quality, performance, and uniformity.

Our Invar round bars prices are competitive, and we offer quick turnaround times to ensure your project is completed on schedule. We aim to provide our clients with the best value for their investment, without sacrificing quality or performance.

To ensure the highest level of dimensional stability and precision, choose invar steel  from Robust Special Metals. Our extensive range of sizes and shapes, combined with our commitment to quality and competitive rates, make us the go-to Invar round bars supplier and stockist. Contact us to order.

Invar Round Bar Stock And Supply Range

Round Bar

Invar Round Bar

Flat Bars

Invar Alloy Flat Bar


Invar Rod

Square Bar

Invar Square Bar

Hex Bar

Invar Hexagonal Bar

Rectangle Bar

Invar Rectangle Bar

Nilo Bar, Invar Bar Supplies India, Invar Material Hex Bar, Invar Round Bar Price Per Kg.

Invar Round Bar Specification

StandardsASTM F1684, ASME SF 1684
SpecificationsDIN, EN, ASTM, JIS, ASME, BS, AISI
 Invar Round Bars sizeDiameter: 3-~20mm
Invar Flat Bars sizeThickness: 2 -100mm
Width: 10 to 500mm
Invar Angle Bars size3mm*20mm*20mm~12mm*100mm*100mm
Invar Channel Bars80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness
Invar Rectangular Bars Section3.0 to 12.0mm thickness
Invar Billet Size1/2 to 495mm Diameter
Invar Rectangle Bar Size33 x 30mm to 295 x 1066mm
Invar Hex Bar size2-100mm A/F
Invar Hollow Bars32mm OD x 16mm ID to 250mm OD x 200mm ID)
Diameter20mm, 30mm, 50mm, 80mm, 100mm, 150mm, 200mm, 500mm
Length1m-12m or as required
ToleranceH8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Finishhot rolled annealed, peeled, Bright, hot-worked and cold-worked rod and bar, centreless ground, Centreless Ground and Black, Polish, Cold Rolled (CR), hot rolled ( R), smooth turned, Cold (bright) drawn, Grinding, slit rolled edge, Rough Turned.
SurfaceHot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline,Polished
Trade namesInvar ®, Pernifer ®, Nilo ®
ConditionHardened & tempered, annealed
TechniqueCold Drawn, Hot Rolled, Forged Round Bars, Cold Rolled, Rod
ProcessingBars cutting to 650mm
FormRod, Round, Channel Bars, T-Bars, Flat Bars, Precision Ground Bars, Blocks, Square, Round Rod, Triangle, Hollow, Rectangle, Threaded, Hex (A/F), Profiles, Half Round Bars, Ingot, Billet, I/H Bars, Forging etc.
Invar cost for bar and rod varies depending on the size, quantity, and supplier. Contact us for competitive pricing and quotes.

Application Of Invar Round Bar

Oil & Gas 50%
Chemical 87%
Power Plants 74%
Nuclear Plants 70%
Ship Building 84%
Paper & Pulp 65%

Exporter of Invar Round Bar in the following cities

Manufacturers, Suppliers of Invar Bars :
New DelhiAhmedabadJaipurSuratSalemGandhinagar
BhubaneswarVijaywadaFirozabadBokaro Steel CityRajkotBharuch
ThaneBhopalNavi MumbaiVasaiBikanerMaharashtra

Invar Round Bar Distribution Network

United Arab Emirates, Argentina, Algeria, Poland, Saudi Arabia, Italy, Namibia, Belarus, Australia, Croatia, Hungary, United Kingdom, Nigeria, Russia, Serbia, South Korea, Estonia, Japan, Iran, Tunisia, Belgium, Lithuania, Oman, Nepal, Austria, Zimbabwe, Costa Rica, Hong Kong, Indonesia, Brazil, Venezuela, Ecuador, Egypt, Iran, Denmark, Spain, Ukraine, Chile, Bolivia, Afghanistan, Kuwait, Nigeria, Vietnam, Poland, Mongolia, Morocco, Macau, Pakistan, Yemen, Chile, Lebanon, Ireland, Ghana, Norway, Trinidad and Tobago, Tibet, Kenya, Sweden, Philippines, Mexico, Israel, Libya, France, Bahrain, Sri Lanka, Czech Republic, Azerbaijan, Thailand, Taiwan, Bhutan, Bangladesh, India, Netherlands, Iraq, Finland, Greece, Kazakhstan, Mexico, Peru, Gambia, Angola, Colombia, Malaysia, Qatar, Gabon, United States, Singapore, Switzerland, Canada, Germany, Bulgaria, Portugal, China, South Africa, Slovakia, Jordan, New Zealand, Puerto Rico, Romania, Turkey.