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  Storage and transportation
  Tanks
 
Stainless steel materials are more and more specified for storage tank construction to replace coated carbon steels which need regular and expensive maintenance over the tank life.

Standard grades type 304L or 316L are commonly selected for small tanks.

High mechanical properties make duplex stainless steels an attractive option for high capacity storage tanks. The use of UR 35N and UR 45N grades lead to lightweight designs by reducing the wall thickness (up to 50%) and allows to reduce significantly the investment cost : savings on material, transportation, erection and welding costs may be considered.

Stainless steel grades are widely used for storage tank building in chemical and petrochemical industries, food industry, water treatment plants …
UR 35N storage tank
in pulp & paper industry
  High strength stainless steels prove inexpensive in the long run.
 
  Example of investment anf life cycle costs of duplex stainless steel and coated carbon steel tanks in chemical industry:
 
 
  To review some examples of cost analysis for vertical cylindrical storage tanks, go to the Calculation Softwares portal.

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Storage and transportation
  Iso containers & rail tanks
 
A wide range of stainless steel provides good performance in chemical product transportation:
 
  Standard grades type 316L and 316Ti for a wide variety of chemical products
 
  Duplex UR 45N and superaustenitic UR B6 grades exhibits a better corrosion resistance for transportation of more aggressive or chloride containing products.
UR 45N may be specified for pressure Iso-container
 
  Special grades designed to handle specific products:
  UR B26 and UR B66 grades for highly aggressive products
  UR S1 for concentrated nitric acid
 
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Storage and transportation
  Chemical tankers
 
 

Tanks and deck vessels in UR45N
Photo Danyard
 For years, stainless steels such as austenitic 316L, 316LN and 317LN have been the most common materials for tanks and deck vessels to reduce the ship maintenance costs and extend service life.

These last years, UR 45N duplex grade has been developing rapidly as it provides much better safety margin for transportation of hazardous chemicals and less pollution of food and high purity products.

The combination of high corrosion resistance and mechanical characteristics allows to reduce wall thickness and deadweight.

 
  INDUSTEEL offers the whole range of grades for product and chemical tankers.
 
  Some examples of Industeel Worldwide references
Main Shipowners:
  You can order publications about this topic from the Publication Download portal.
 
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