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Unhoned tube or unhoned tubing, is a kind of steel tube with ID suitable for further honing or skiving&roller burnishing.  Unhoned steel tube is also a kind of seamless steel tube that is cold drawn or deep hole bored.  We manufacture cold drawn unhoned tubes with regular steel grade like ST52,E355, 1026,1045,STKM 13C,27SiMn,etc. 

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