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Special Alloy Pipe

Invar 36 is a unique nickel-iron alloy renowned for its low coefficient of thermal expansion, making it highly valuable in applications where dimensional stability over a wide temperature range is crucial. Developed originally for use in precision instruments, such as clocks and pendulums, its exceptional thermal stability has found widespread use in aerospace, electronics, and engineering industries. Invar 36 exhibits minimal expansion or contraction with temperature variations, making it ideal for components subjected to extreme temperature changes. Its remarkable mechanical properties, combined with excellent weldability and machinability, have cemented its reputation as a versatile and reliable material in demanding environments.

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Equivalent grade

UNS N08367

DIN W. Nr. 1.3912

Title ： Invar36 / N08367

Available products：plate/sheet, bar/rod, pipe/tube, strip, fittings, wire, forging, fastener, customization

Production standards
Product	ASTM
Plate，Bar, Wire, Forging, Fastener	F1684，F1684M
Pipe	B753, B753M
Fittings	F30
Forged flanges, forgings	B 408
Plate, Sheet, and Strip	B 409

Chemical composition

%	Fe	C	Si	Mn	Ni
Nominal value	64	0.05	0.05	0.1	36

Physical properties

Density	8.1/cm3
Melting	1430℃

Material properties

Advantage

1. Dimensional stability over wide temperature ranges for precise applications.
2. Low coefficient of thermal expansion ensures consistent performance.
3. Versatile, reliable, and predictable for diverse industry applications.
4. Easily machinable for creating complex shapes and designs.
5. Standard weldability facilitates fabrication and assembly processes.
6. Cost-effective solution for applications requiring dimensional stability.
7. Excellent durability and longevity in demanding operating conditions.

Invar 36 material application areas

Invar 36 is widely utilized across diverse industries for its unique properties. In aerospace, it's essential for precision instruments and aerospace components due to its low coefficient of thermal expansion and exceptional dimensional stability. In electronics, it finds use in electronic enclosures, precision instruments, and semiconductor manufacturing equipment, ensuring reliability in maintaining precise dimensions. In engineering, it's employed in high-precision machinery, optical instruments, and scientific equipment, valued for its thermal stability and dimensional accuracy. Overall, Invar 36's versatility makes it indispensable in applications requiring precise dimensional control and stability over a wide temperature range.

FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 200000 tons.

Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

Special Alloy Pipe