
Description:We can produce many kinds of seamless steel tubes with good surface,good precision and with all kinds
of heat treatment deliverycondition
Size:20<OD<40
Steel grades:10,20,35,45,St35,St45,St52
Standards carried out:
| GB/T 3639 | Cold drawn(roll) precision seamless steel tube |
| DIN 2391 | Precision steel tube with speacial size |