... ,1629,2445,2448,2458,17100,17175 EN 10305-1,10305-2,10305-4 ,10210,10216 BS 3059,3601,3602,3606 ... 2. Grade:20#,45# 3. OD:30-250mm 4. WD:3- ... . Technique:Hot rolled,Cold rolled,Cold drawn 7. Application:hydraulic pipe 8. Section shape:round 9. Certification:ISO9001-200810.Delivery:30 ...