... .4mm - 304.8mm2. Thickness: 2.5mm -26mm3. Steel Grade: Q195-Q345 Standard: GB/T 3091-2001, BS1387-1985, DIN EN10025, EN10219 ... form: Longitudinal 2)Technology: ERW 3)Application: Fluid Quality standard: API 5L Gas and petroleum pipelines GB/T9711 Petroleum and natural ... , AWWA C-200 Steel Grade:Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8 ...