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[MW:7950] NAXTRA M700 weldebility

By Materials & Welding
We are going to use above material fro shipbuilding purpose. Thickness 30- 40 mm. We do not have experience with this specified material, I would like to know from your experience information on ;
Ceq and impactvalue in L and T direction.
 
In regard to the attached manufacturers information , the deviation in chemical composition may be rather high.
 
This may require preheating, which influences the weldebility. If you have any practical information, it will be appreciated.
 

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