... .T:0.5-14mm Length:5.8m to 12m Standard: GB, API, ASTM, BS, JIS Applicable : API 5L, API welded steel pipe ... tolerance +/- 0.1mm+/- 0.1mm Applications rangeUsed in conveying gas,water,and oil in both oil and gas industries. chemical fertilizer pipe ... :1. material:Q195,Q215,Q235,Q345,16Mn2. standard:GB/T3091-2001,BS1387-1985,ASTM A53,API,JIS,DIN,EN3. Specification:10mm-630mm ...