Duplex Stainless Steel Castings Parts Lost Wax Investment Casting Materials

Duplex Stainless Steel Castings Parts Lost Wax Investment Casting Materials

Product Description and Process duplex stainless steel castings parts lost wax investment casting materials Production process: lost wax investment casting process Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc. Product Material and Uses Normally...

Product Details

Product Description and Process

duplex stainless steel castings parts lost wax investment casting materials

 

Production process: lost wax investment casting process

Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.

 

Product Material and Uses

Normally produce with ASTM A743/A743M Grade CF8, CF8M, CF3, CF3M, ZG0Cr18Ni10, ZG0Cr18Ni9, ZG0Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti, ZG1Cr18Ni12Mo2Ti, etc.

 

The stainless steel casting products are widely used for auto-car components, Machinery & Pump Parts, Marine Parts, valve parts, pipe parts, etc.

 

CASTING STAINLESS STEEL

We develops and produces high quality investment castings that can be cast in virtually any steel alloy. Steel is an alloy consisting of iron (Fe) and carbon (C), where the term ‘steel’ is used for iron alloys with a limited amount of carbon (less than 1,9%). When the iron contains more than 2% carbon, we talk about ‘cast iron’ instead of steel.

 

Stainless steel, also called INOX, is a type of steel known for its corrosion resistance after contact with water. Next to the basic elements iron (Fe) and carbon (C), stainless steel also contains chromium (Cr) and nickel (Ni). Before it can be classified as stainless steel, at least 12% chromium has to be present in the steel alloy. Next to the basic elements, many different types of stainless steel also contain the elements molybdenum, nitrogen, manganese or silicon.

 

But exactly, what are the influences of the elements chromium and nickel in stainless steel? When chromium comes in contact with oxygen, a chemical reaction takes place whereby an invisible layer of chromium oxide (Cr2O3) is formed. This is also known as “oxide skin”. This layer protects the underlying metal against rust (oxidation). Whenever the oxide skin gets damaged, a new layer has to be built up. In that case, rust might occur on the surface when a damaged layer comes in contact with water. This rust will never push through, because a new oxide layer builds up again in the meantime.

 

Stainless steel types with 6% to 26% nickel are austenitic and non-magnetic. Indirectly, the nickel in stainless steel will neutralise the magnetic effects of the chromium. When a relatively large amount of chromium is present in stainless steel alongside a limited amount of nickel, the stainless steel can be magnetic. As such, stainless steel is not non-magnetic by default. There are also types of stainless steel with a ferritic structure which only contains chromium and not nickel. That’s why they don’t have magnetic properties.

 

 


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