Product Name: ASTM A350 LF2 Forged Cylinder
Material Grade: ASTM A350 LF2, Carbon Steel
Dimensions (Inch): NPS 6 Inch × 6 mm (Wall Thickness) × 200 mm (Length)
Dimensions (Metric): Ø168.3 mm × 6 mm (Wall Thickness) × 200 mm (Length)
Export in Good Quality

Source: https://www.landee.cn/astm-a350-lf2-forged-cylinder-carbon-steel-o168-3-16-200-mm.html