I would like to take your short time to introduce our company as ISO9001 certified manufacturer for cold drawn, cold rolled precision seamless steel tube. Product: Hydraulic tube, honed tube, skived and roller burnished tube, cold drawn/rolled seamless steel tube, SRB tube, hydraulic cylinder tube, piston rod. Application: Mining industry, machinery processing, natural gas oil transportation exploitation etc. Process: Cold-drawn, cold-rolled, honed, SRB Material: 10#,20#,45#,16Mn, 27S

Specifications Material:20# 45# 16Mn 27SiMn ST52,BK+S,DIN2391,ASTM A 106 or according to your requirement. Standard: GB/T8713-88 GB/T3639-2000 DIN 2391 EN10305 or according to your requirement. Straightness:0.3~0.8mm/m or according to your requirement Elongation: 14%-25% or according to your requirement. ID tolerance:H7-H8 Application: Mining industry, machinery processing, natural gas oil transportation exploitation etc. Process: Cold-drawn, cold-rolled,