Hastelloy Series

Hastelloy S

    Wire: 0.04-10mm

    Strip: 0.05-15mm*3-600mm 

    Bar: 3mm~800mm;

    Pipe: OD 1 - 1000 mm; Thickness 0.1 - 100 mm

Hastelloy S Alloy Steel

Equivalent designations: UNS N06635
Wire: 0.04-10mm
Strip: 0.05-15mm*3-600mm 
Bar: 3mm~800mm;
Pipe: OD 1 - 1000 mm; Thickness 0.1 - 100 mm
Sheet: Thickness 0.15-180mm; Width 8-3000mm; Length 500mm-11000mm

Surface Treatment: Black, Bright polished, Rough Turned, No 4 Finished, Matt Finished, bA Finished, or other Finished.

Chemical element for automotive fuse:



Physical properties:



Processing method: 


Raw material→ Smelting→ Drawing→ Rolling→ Annealing→ Finished product→ Detection→ Packing→ Shipping


Shanghai Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation.

In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1)Shanghai Metal Standard



Gas turbines

Petrochemical industry

Industrial furnaces

Heat treating equipment

Nuclear engineering

Jet engine combustion chambers

Aircraft cabin heaters

Turbine exhaust components



Advantage and Features: 

HASTELLOY S (UNS N06635) is a nickel-base, high-temperature alloy with a unique combination of properties. It has excellent thermal stability, low thermal expansion and excellent oxidation resistance to 2000°F (1093°C). In addition, the alloy has good high-temperature and thermal fatigue strength. S alloy retains its strength and ductility after aging at temperatures of 800 to 1600°F (427 to 871°C).

HASTELLOY S was developed for applications involving severely cyclical heating conditions where components must be capable of retaining their strength, ductility, and metallurgical integrity after long-time exposure. It is used extensively as seal rings in gas turbine engines where its low thermal expansion coefficients is also important.


All wrought forms of HASTELLOY S are supplied in the solution heat treated condition unless otherwise specified. The standard heat-treatment is 1950°F (1066°C) followed by cooling in air or hydrogen. Since the alloy is very stable, cooling rates from slow-fumace cooling to rapid ice-brine quenching have virtually no effect on the mechanical properties.


HASTELLOY S alloy can be readily forged and, because of its excellent ductility, can be cold worked. It can be welded by both manual and automatic welding methods including gas tungsten arc (GTAW), and gas metal arc (GMAW). Forging should be performed from 2100°F (1145°C) to 1600°F (871°C) up to the final 20 percent cross-section reduction. The final 20 percent reduction should be done from about 1900°F (1038°C) to 1500°F (816°C).

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