Difference,Q345,and,16Mn,Q345, technology Difference of Q345 and 16Mn
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Q345 material can be 14 MNV MNNB, 12, 16 mnre, 16 mn, 18 nb, such as a variety of steel material substitution, is not the only alternative to 16 mn steel material. On the chemical composition, 16 mn material and Q345 material is not the same. The main thing is that two kinds of different thickness of yielding strength of steel group is put in bigger difference, this will cause some material with the change of the stress. Therefore, simply use 16 mn material stress applied on the Q345 material is not appropriate, and should be grouped according to material thickness size to determine the stress.345 material proportion of main chemical elements and anastomosed with the 16 mn material basic difference is added trace alloy elements. A small amount of alloy element can refine grain and improve the toughness of the steel, steel comprehensive mechanical properties are improved greatly. Also because of this, the thickness of the steel plate can be done. Q345 material, therefore, the comprehensive performance is better than that of 16 mn material, especially its low temperature performance is 16 mn what material does not have, Q345 material allowable stress than 16 mn material.so in the ERW steel pipe production,we should made the right choice. Article Tags: Q345 Material
Difference,Q345,and,16Mn,Q345,