API 5L GRB Seamless steel pipe

XYT GROUP is one professional manufacturer for Spiral Steel pipe, ERW pipe, Seamless pipe, Casing pipe.Spec:GRB-X42-X100

our company (XINYUANTAI STEEL PIPE GROUP CO.,LTD) is one professional steel pipe manufacturer.we already passed *ISO certificate, and API 5L and API 5CT cetificate.*   our products are seamless steel pipe, ERW pipe, SSAW pipe. the specifications are following:* SPIRAL STEEL PIPE *OUTSIDE.D 219--3220mm W.T 6--18mm STANDARD SY/T5037-2000 GB9711.1 GB9711.2 API5L MATERIAL: ST37,ST44,ST52, Q235B/Q345B/L245/L290/L360/L415/L485/20# API 5L.B/X42/X52/X60/X70 X80 X100etc  *ERW STEEL PIPE *OUTSIDE.D 60.3--609.6mm W.T 6--14mm STANDARD GB3091-2001 GB9711.1 GB9711.2 API5L API 5CT MATERIAL ST37,ST44,ST52, Q235B/Q345B/L245/L290/L360/L415/L485/20# API 5L.B/X42/X52/X60/X70 etc

*SEAMLESS STEEL PIPE*OUTSIDE.D 21.3--609.6mm W.T 6--50mm STANDARD GB/T8162-1999 GB/T8163-1999 GB3087-1999 GB5310-1999 API5L API 5CT MATERIAL ST37,ST44,ST52,Q345B/20#/45#/20G/16Mn/J55/K55/L80/API 5L.B X42/X52/X60/X70 etc *CASING STEEL PIPE*OUTSIDE . D 139.7-269.9mmW.T. 6.2-15.11mmMATERIAL: J55,K55,N80-1,N80Q,L80Q,P110, etc