High Pressure Fittings

904L Products Manufacturer and Supplier in India

Types of 904L Products

We are involved in manufacturing, supplier of 904L Products in India. These are available in various types, forms, lengths and sizes to meet the diverse requirements of the customers. These are made by using superior quality stainless steel and available in average of the smaller and larger pipe diameter. Furthermore, these 904L Products are checked under various quality parameters to ensure flawless nature. 904L is a high-alloy austenitic stainless steel with low carbon content. The grade is intended for use under severe corrosive conditions. It has been application proved over many years and was originally developed to resist corrosion in dilute sulfuric acid. It is standardized and approved for pressure vessel use in several countries. Structurally, 904L is fully austenitic and is less sensitive to precipitation ferrite and sigma phases than conventional austenitic grades with high molybdenum content. Characteristically, due to the combination of relatively high contents of chromium, nickel, molybdenum and copper 904L has good resistance to general corrosion, particularly in sulfuric and phosphoric conditions.

Features:

  • Easy installation
  • Dimensional accuracy
  • Fine finish
  • Sturdy design
  • High performance
  • Excellent quality
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904L Products FAQ

Alloy 904L (UNS N08904) is a super austenitic stainless steel designed for corrosion and pitting resistance in a wide range of process environments. It is used extensively in the chemical process industry including the production of phosphate-based fertilizers.

Alloy 904L (UNS N08904) is a superaustenitic stainless steel that is designed for moderate to high corrosion resistance in a wide range of process environments. The combination of high chromium and nickel content, coupled with additions of molybdenum and copper, assure good to excellent corrosion resistance.

The corrosion resistance of 904L is equivalent to most super duplex stainless steels (SDSS) across a wide range of applications. … At low temperatures, 904L will retain good impact toughness, and it is not at risk of forming deleterious intermetallic phases at higher temperatures.

For many years Rolex used the popular stainless steel grade 316L, which is the standard for round 95% of the watch industry. In 2001 however, they changed from using 316L to 904L and are currently the only watchmaker in the world to use this grade for their watchcases.
Type 904L contains more chromium, molybdenum and nickel then 316L, plus also some copper, manganese and silicon, which makes it more corrosion resistant than 316L. But the main issue with 904L, besides its extremely high price, is that it is still harder to process than 316L.