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Cold drawing of A335 P11 steel pipe

Attention:     Issuing time:2018-06-21 23:55
Cold drawing of A335 P11 steel pipe


 
The biggest advantage of A335 P11 alloy steel pipe is that it can be recycled by 100%. The A335 P11 alloy steel pipe meets the national strategy of environmental protection, energy saving and resource conservation. The national policy encourages the expansion of the application field of high pressure P11 alloy pipe.
 
ASTM A335 P11 is the part of ASTM A335
ASTM A335 gr. P11 Alloy Steel Pipe are widely used in different various application such as oil & gas, power plants, ship building, heavy engineering industries etc.


In the practical application, in order to get the A335 P11 alloy steel pipe with more accurate wall thickness, we should treat the A335 P11 alloy steel tube with cold drawing.
 
So what do you need to pay attention to when A335 P11 steel tube is cold drawn?
First, note that the A335 P11 capillary wall thickness is uniform, if found not uniform capillary wall thickness must be surface polishing treatment, in addition A335 P11 capillary inside and outside is smooth and have bump and defect phenomenon, once found irregularities or defects should be timely treatment.
 
Second, we need to conduct a review of the A335 P11 capillary, re examination of the main work is to ensure that the capillary without cracks and defects, the existence of these questions make capillary check the corresponding exclusion measures, be sure to get inside the pits and capillary folding phenomenon.
 
Third, the A335 P11 alloy tube drawing tool requirements, only the tool surface finish, drawn out finish will A335 P11 steel pipe is high, in addition to the mold precision and hardness requirements is relatively high. So we must choose a good tool in the production, do not stick steel Abrasives the phenomenon.



 

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