We can according to your requirement for P355N seamless heavy-wall steel tubes, P355N seamless heavy-wall steel tubes demand quantity and destination port, give you the best price.

It is recommended that STK 490/STK 50 spiral seam and straight seam steel tubes should be as manufactured without heat treatment. STK50 is the former symbol and lately substituted by STK 490.

These trace elements, when compared with more simple steel such as 1040, improves the characteristics of 4140 .

We can according to your requirement for AISI 4130 seamless tube, AISI 4130 seamless tube demand quantity and destination port, give you the best price.