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Mechanical properties of Hastelloy tube

Posted by:Rain Time:2019.07.10 21:02

The mechanical properties of Hastelloy tube are very prominent. It has high strength and high toughness, so it has certain difficulty 

in machining, and its strain hardening tendency is very strong. When the deformation rate reaches 15%, its strain hardening tende-

ncy It is about twice as large as stainless steel. There is also a medium temperature sensitized zone in the Hastelloy tube, and its 

sensitization tendency increases with the increase of the deformation rate. When the temperature is high, the Hastelloy tube absorbs 

harmful elements and deteriorates its mechanical properties and corrosion resistance.


The Hastelloy tube is represented by the steel pipe number "Sch"


The Hastelloy tube gauge number is the ratio of the allowable stress of the steel tube design pressure to the design temperature 

multiplied by 1000, and the rounded value


Namely: Sch=P/[σ]t×1000

ANSI B36.10 wall thickness rating: Sch10, Sch20, Sch30, Sch40, Sch60, Sch80, Sch100, Sch120, Sch140, Sch160 ten grades

ANSIB36.19 wall thickness grade: Sch5s, Sch10s, Sch40s, Sch80s four grades

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