MATERIAL    

 ASTM A53, ASTM A106,,10#, 20#, 45#, 16Mn, C20, C45, St52, GB8162, GB8163, GB9711.1-1997, GB3087

STANDARD

 ASTM, API, JIS,DIN, BS,GB, CNS

 SIZE

 1/8'' to 48''

 WT

 SGP, SCH 20, STD, SCH40, SCH80, SCH160, XS, XXS

 LENGTH

 5M-20M

 SURFACE

 Varnish coating or according to customers' demand

 ENDS

 Beveled or square cut, Plastic capped