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  Cryogenic steels

High toughness ni alloyed steels,
specially designed for low temperature applications.

Low carbon for enhanced weldability and superior crack arrest properties for improved safety.
   
  The appropriate steel solution is defined by the type of gas and its cryogenic storage temperature.
Thanks to a variation of Ni content, we are able to extend the CryElso® family for specific applications.
   
 
   
  The CryElso® family
  A complete range of cryogenic steel grades from 0.5%Ni to 9%Ni steels, adapted for gas storage from propane to LNG.
   
 
CryElso® Corresponding standards EN10028/ASME

For more detailed information,
please download technical documentation
on the Datasheets page.
CryElso® 0.5 13 Mn Ni 6-3/ SA 537 Cl. 2
CryElso® 1.5 15 Mn Ni 6
CryElso® 2.25 SA 203 gr. B
CryElso® 3.5 12 Ni 14 / SA 203 gr.E
CryElso® 5 X 12 Ni 5 / SA 645
CryElso® 9N X 8 Ni 9 / SA 353
CryElso® 9Q X 7 Ni 9 / SA 553 Type 1
   
  A complete offer
   
 
Dimensional
The whole range of cryogenic steel grades can be supplied in the following conditions (CryElso®0.5, 1.5 and 2.25 can also be supplied in plate width below 2500 mm).

Tolerances
Length and width : inscribed rectangle
Thickness : according to the material standard specification
In addition, CryElso® offers a narrower range of thickness tolerances and flatness compared to international standards
   
  Flatness : 5 mm/m
Allowing for easy :
• cutting operation
• plate alignment
• automatic welding

Conditioning
CryElso® 5, 9N and 9Q are supplied in shotblasted condition, with a maximum of 50 gauss residual magnetism thanks to specific mill handling procedures.

Painting
Plates can also be supplied painted according to customer specifications. Please consult for further details.
       
  Prefabrication
CryElso® grades can be supplied as :
• plasma cut pieces according to drawing with highest tolerances,
• mechanically bevelled rectangular plates
• pre-bent shells

Services
Drop weight testing, CTOD testing, cold and hot forming suitability

Welding
CryElso® grades have been designed to be fully weldable using existing industrial techniques and materials. Our research center (CRMC) can provide the technical assistance required.
   
  Adapted production facilities
       
  Electric arc furnace melting, modern ladle metallurgy facilities and accurate heat treatment furnaces ensure the highest quality standards of cleanliness and reproducibility of mechanical properties.
• Low P, S for excellent low T charpy impact properties
• Low C for controlled microstructure, giving excellent NDT and CTOD
results
   
   
  CRYELSO® 9
9 %Ni alloyed

 

 




Applications:

LNG Storage Tanks
Low temperature pressure vessels
Cryogenic piping
 

Properties:

Charpy impact values @ -196°C
CTOD guarantees @ -163°C
Available thickness: 5 to 80 mm
   
CRYELSO® 5
5%Ni alloyed
  		 
Applications: Ethylene, Transportation & storage tanks
 
Properties: Charpy impact values @-130°C
Available thickness: 5 to 100 mm
   
CRYELSO® 3.5
3.5%Ni alloyed
Applications: Compressors
Nuclear waste containers
Storage tanks
 
Properties: Charpy impact values @-101°C
Available thickness: 4 to 500 mm
   
   
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