1.Standard:ASTMA106 GRB/API5L GRB/ASTM A53GRB

2.Material :A106/A53 GRB API5L GRB 20# CHINESE

3.OD:1/4"-24",13mm-610mm

4.WT:SCH20,SCH40,SCH60,SCH80,SCH100,SCH120,SCH160,XXS

5.Usage:Boiler use,water transport,buiding,machinery,traffic aviation oil development ,etc.

6.length:2-12m Random,5.8M FIXED,6M FIXED,9M FIXED

7.Surface:Black paint as rusty protect or as request

8.Ends:2"below plain ends,2"above beveled ends

9.Method:140mm below cold drawn,140mm above hot rolled,273mm above hot expand