Unless otherwise indicated in the purchase order, pipe should be supplied in the following lengths:
The average length of pipes in one order should be not less than 11.6 m with a minimum of 95% of pipes between 11 and 12.2 m in length.
No pipe should be less than 10 m in length.
No pipe should be greater than 12.8 m in length.
For heavy-wall seamless pipe, where supply of the pipe lengths stated above may not be possible, the purchaser and the manufacturer should agree on an alternative pipe length.