Invar 42 Pipe

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Invar 42 Pipe Manufacturer, Supplier and Exporter in Tunis, Tunisia

Samia Pipes and Tubes, based in Tunis, Tunisia, manufactures and supplies high-quality Invar 42 Pipes engineered for applications where exceptional dimensional stability is required. Invar 42, an iron-nickel alloy containing approximately 42% nickel, is known for its extremely low coefficient of thermal expansion, maintaining precise dimensions under temperature variations. Produced using advanced manufacturing techniques and strict quality control, Invar 42 pipes deliver smooth surfaces, precise dimensions, and consistent performance. These pipes are ideal for aerospace, precision engineering, scientific instruments, and other industries demanding minimal thermal deformation and long-term stability.

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Invar 42 consists of about 42% nickel and 58% iron, resulting in an impressively low coefficient of thermal expansion, around 0.6–1.0 × 10⁻⁶ /°C. This alloy boasts a tensile strength between 450–600 MPa and a yield strength of 250–370 MPa, along with remarkable ductility and toughness. Invar 42 Pipes excel at maintaining their dimensions despite temperature shifts and offer moderate corrosion resistance in mild environments. Its unique blend of mechanical strength and near-zero thermal expansion makes it perfect for high-precision applications, including aerospace structures, cryogenic systems, and precision instrumentation.

Invar 42 Pipe Specification

Standards :	ASTM B338/ ASME SB338
Dimensional :	ANSI/ASME B36.19M, ANSI/ASME B36.10M
Seamless Pipe Size :	1 / 2″ NB – 16″ NB
Welded Pipe Size :	1 / 2″ NB – 24″ NB
Outside Diameter :	6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock
Pipe Type :	Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded
Thickness Range :	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipes End :	Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends)
Value Added Services :	Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing

Invar 42 Pipe Chemical Composition

Element	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Invar 42	KSI (MPa) 36 / (248)	KSI (MPa) 71 / (490)	40 %

Invar 42 Pipe Mechanical Properties

Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
8.8 g/cm3	1350 °C (2460 °F)	Psi – 35,000 , MPa – 240	Psi – 80,000 , MPa – 550	40 %

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We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Invar 42 Pipe from Samia Pipes and Tubes?

When you choose Invar 42 Pipe from Samia Pipes and Tubes, you can count on exceptional quality and long-lasting durability. These tubes offer excellent corrosion resistance and high strength, making them perfect for various industrial applications. Our commitment to outstanding service and reliable delivery guarantees customer satisfaction with every order. With extensive expertise in stainless steel products, we provide premium solutions tailored to meet your unique needs.

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Largest Invar 42 Pipe Supplier in Tunis, Tunisia

Invar 42 pipes are composed of approximately 58% iron and 42% nickel, often with trace amounts of additional elements to enhance performance. This composition provides an exceptionally low coefficient of thermal expansion, combined with moderate tensile and yield strength. Mechanically, Invar 42 pipes maintain dimensional stability under temperature fluctuations, resist moderate pressure and stress, and exhibit excellent durability over a wide range of conditions. These properties make them ideal for precision applications where minimal thermal expansion and reliable performance are critical.

Uses & Applications – Invar

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Types of Invar 42 Pipe

Are Custom Sizes Available for Invar 42 Pipe?

At Samia Pipes and Tubes, we specialize in providing custom-sized Invar 42 Pipe designed to meet your specific requirements. Our expert team is committed to delivering personalized solutions for all your piping and tubing needs. For more details, contact us at sales@samiapipes.com.

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Invar 42 pipes are widely used in industries where thermal stability is paramount. They are commonly applied in aerospace and aviation structures, precision instruments, optical devices, and scientific equipment. They are also used in cryogenic systems, high-precision machinery, and environments with fluctuating temperatures. The alloy’s low thermal expansion and consistent mechanical properties ensure reliable performance, structural integrity, and dimensional accuracy. Invar 42 pipes are a preferred choice for applications that demand long-term stability, precision, and minimal thermal distortion in engineering, research, and specialized industrial sectors.