Invar Bar Manufacturer, Supplier, and Stockists in India

Invar Bar, an alloy primarily composed of iron and nickel, is widely utilized in industrial manufacturing due to its unique properties, particularly its low coefficient of thermal expansion. This characteristic makes Invar Bar an ideal choice for applications that require precise dimensional stability under varying temperature conditions. Industries such as aerospace, automotive, and instrumentation frequently employ Invar Bar in the production of components that demand high accuracy and minimal thermal distortion, including measuring instruments, molds, and precision gauges.

The exceptional mechanical properties of Invar Bar contribute significantly to its widespread application. With a tensile strength typically exceeding 900 MPa and a yield strength around 600 MPa, Invar Bar provides robust structural integrity while maintaining excellent ductility. This combination of strength and flexibility ensures that components can withstand operational stresses without compromising their performance. Additionally, the alloy exhibits remarkable resistance to fatigue and wear, making it suitable for high-performance applications in challenging environments.

Another notable advantage of Invar Bar is its corrosion resistance, which is enhanced by its nickel content. This property enables the alloy to perform well in various environments, including marine and chemical processing applications, where exposure to corrosive substances is common. The durability and longevity of components made from Invar Bar reduce maintenance costs and downtime, making it a cost-effective solution for manufacturers seeking reliable materials for their products.

Invar Bar also plays a crucial role in the electronics industry, particularly in the manufacturing of precision instruments and components for telecommunications. Its ability to maintain dimensional stability across a wide temperature range is vital in applications where thermal expansion could lead to misalignment or failure. As industries continue to advance toward more sophisticated technologies, the demand for materials like Invar Bar will undoubtedly grow, reinforcing its importance in modern industrial manufacturing.

Specification Table

Specification	Invar Bar
Material Grade	Invar 36
Standards	ASTM B163, ASME SB165
Form	Bars
Size Range	5 mm – 100 mm diameter
Wall Thickness	N/A
Length	Single Random, Double Random
Density	8.19 g/cm³
Tensile Strength	965 MPa
Yield Strength (0.2% Offset)	690 MPa
Elongation	30%
Hardness	Rockwell B90
Melting Point	1350°C
Corrosion Resistance	Excellent in marine & chemical environments
Applications	Aerospace, Electronics, Precision Instruments
Exported To	USA, Germany, Japan, Canada

Chemical Properties Table

Chemical Element	Invar Bar
Nickel (Ni)	36%
Chromium (Cr)	0.5%
Iron (Fe)	Fe balance
Manganese (Mn)	0.5%
Carbon (C)	0.03%
Silicon (Si)	0.3%
Other elements	Trace elements: Copper (Cu) 0.2%, Sulfur (S) 0.01%

Mechanical Properties Table

Mechanical Property	Invar Bar
Tensile Strength (MPa)	965
Yield Strength (0.2% Offset, MPa)	690
Elongation (%)	30
Hardness (Rockwell)	B90
Modulus of Elasticity (GPa)	200
Poisson's Ratio	0.29
Shear Modulus (GPa)	80
Density (g/cm³)	8.19
Reduction of Area (%)	50
Ultimate Tensile Strength (MPa)	1030

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