1. OD: 13.5mm-609.6mm W. T: 2.77mm-40mm 2. Standard: API 5L/5CT,ASTM A106 ASTM A53 ASTM A519 ASTM A179 DIN 17175 DIN1629, GB etc. 3. Material: ASTM A106 Gr. A/B/C ASTM A53 Gr. A/B, DIN 17175 ST35.8 ST45.8 etc. 4. Bevel, varnish, 3PE coating or end protection to be confirmed. 5. Packing: Regular export packing at seller's option