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Duplex Stainless Steel Flange Manufacturer

Duplex stainless steel flange have a lower nickel and molybdenum content than normal austenitic stainless steel flanges. Due to this duplex stainless steel flange are one of the lower costing flanges available. Duplex stainless steel flange are subject to incredible corrosion resistance levels and also have very high mechanical strength. Duplex SS flange Manufacturer also have proven toughness and ductility. They are tougher than ferritic grades. The better price stability on duplex stainless steel flange is one of the reasons that it is being offered on a larger scale by a number of major manufactures around the world.

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what is the name or number of nonmagnetic stainlessteel ?


It is commonly stated that "stainless steel is non-magnetic". This is not strictly true and the real situation is rather more complicated. The degree of magnetic response ormagnetic permeabilityis derived from the microstructure of the steel. A totally non-magnetic material has a relative magnetic permeability of 1. Austenitic structures are totally non-magnetic and so a 100% austenitic stainless steel would have a permeability of 1. In practice this is not achieved. There is always a small amount of ferrite and/or martensite in the steel and so permeability values are always above 1. Typical values for standard austenitic stainless steels can be in the order of 1.05 - 1.1. SeeComposition effects on the magnetic permeability of austenitic stainless steels
It is possible for the magnetic permeability of austenitic steels to be changed during processing. For example,cold work and weldingare liable to increase the amount of martensite and ferrite respectively in the steel. A familiar example is in a stainless steel sink where the flat drainer has little magnetic response whereas the pressed bowl has a higher response due to the formation of martensite particularly in the corners.
In practical terms, austenitic stainless steels are used for "non-magnetic" applications, for example magnetic resonance imaging (MRI). In these cases, it is often necessary to agree a maximum magnetic permeability between customer and supplier. It can be as low as 1.004.


I hope this helps you

Marty

Jun 19, 2014 | Measuring Tools & Sensors

2 Answers

stainless steel?


There are many (>100) standard stainless steel alloys. The most commonly used stainless steel alloys in appliances are "austenitic" - these have a higher chromium content and added nickel. The nickel modifies the physical structure of the steel and makes it non-magnetic.

Nov 04, 2007 | Kenmore 15073 Stainless Steel Built-in...

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