Chemical and petrochemical

As the family of alloys collectively known as stainless steels continues to expand, so do their potential applications throughout industry. Generally speaking it is the ability to withstand attack by highly corrosive chemicals that creates such a high level of demand for these alloys within the chemical and petrochemical industrial sectors.

In recent years, the emergence of highly-alloyed grades such as the so-called “super-austenitic”, “super-ferritic” and “duplex” grades has enabled stainless steels to compete with nickel and titanium-based alloys for service in the most demanding conditions. Today, these two sectors account for a large percentage of total stainless steel demand.

Included in this library section you will find papers related to use in oil and gas production, petroleum refining, pulp & paper machinery, fertiliser plants and many more.

Case study: Rendering plant

A rendering plant has been using a Type 304L stainless steel (SS) heat exchanger to condense the rendering cooker gases and heat plant water. Corrosion problems led to its replacement by Mo-containing 2205 Stainless steel. This case study has been written up by IMOA consultant John Grocki of Advantage Resources Consulting.
Source: International Molybdenum Association

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Case study: process vessel

Case study showing how Stainless steel with 6% Mo improves equipment efficiency and eliminates costly repair in a chemical process vessel. Provided by Thomas Stoner of Hercules Incorporated and Kelly Wyrough of Roben Manufacturing and written by IMOA consultant John Grocki.
Source: International Molybdenum Association

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Comparison of composition ranges of 316 type stainless steels

The specification of bar (to BS970) and coil / plate (to BS1449) before 1983 covered two type 316 grades: a 'low' carbon with 0.03% max (316S12) and a 'standard' carbon with 0.07% max 316S16. Both had a molybdenum content in the range of 2.25-3.0%.
Source: British Stainless Steel Association

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