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Table 4 Blank diameter according to blank thickness (mm)

From: Deep Drawing Process Using a Tractrix Die for Manufacturing Liners for a CNG High-Pressure Vessel (Type II)

Blank diameter Blank diameter Inflow diameter
12 1031 576.6
11 1077 576.6
10 1129 576.6
9 1190 576.6
8 1262 576.6
7 1350 576.6