API 5L PSL2 Gr.B M lsaw steel pipe

API 5L PSL2 X70M steel pipes for pipelines

API 5L PSL2 X80M used for electric industry

API 5L PSL1 B-X42 lsaw steel pipeline

API 5L PSL2 X60M LSAW JOCE

API 5L PSL2 Gr.B X42 N petroleum steel pipe

GB/T9711.2 -1997 L415 Q lsaw steel pipe

762*7.92*12000mm API 5L GR.B used for natural gas pipe

666*8*6000mm 100%UT+RT Test Structure steel pipe

813*15mm large diameter carbon welded steel pipe

Longitudinal Submerged Arc welding Pipeline

LSAW