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Stainless Steels

How do super duplex stainless steels compare with Alloy 316?

There is a considerable improvement in the mechanical and physical properties of super duplex stainless steel vs 316.

What is super duplex material?

Super duplex is ‘shorthand’ for a family of high-performance stainless steels based around a 25% chromium content. Learn more by visiting Langley Alloys today!

What is S21800?

S21800 is the Unified Numbering System (UNS) designation for a more highly alloyed stainless steel most commonly known as Nitronic 60.

What is S20910?

S20910 is the Unified Numbering System (UNS) designation for a more highly alloyed stainless steel most commonly known as Nitronic 50.

What is 1.3964?

1.3964 is the Werkstoff number for a more highly alloyed austenitic stainless steel most commonly known as Nitronic 50.

What is 1.4501?

1.4501 is the Werkstoff number for a super duplex stainless steel most commonly known as Zeron 100 or UNS S32760.

What is XM19?

XM19 is an alternative description for a more highly alloyed austenitic stainless steel most commonly known as Nitronic 50.

What is 1.4507?

1.4507 is the Werkstoff number for a super duplex stainless steel most commonly known as Ferralium 255.

What is a super austenitic stainless steel?

A super austenitic stainless steel is considered to be one with a Pitting Resistance Equivalent Number (PREN) greater than 40.

Why is austenitic stainless steel not heat treatable?

It is possible to expose austenitic stainless steels to different heat treatments, but there is no increase in strength.

What makes austenitic stainless steel non-magnetic?

The internal microstructure of austenitic stainless steels is not influenced by an external magnet, and is non-magnetic.

What happens to austenitic stainless steel when it is deformed?

Austenitic stainless steels will work-harden when deformed.

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