This standard specifies the main parameters of the two-roll cold-rolled pipe mill. This standard is applicable to single-line or multi-line two-roll cold rolling mills for cold rolling seamless pipes of various materials.
JB/T 2477-1999 history
2014JB/T 2477-2014 Main specifications of two-roll cold pipe reduced mill
1999JB/T 2477-1999 Main specifications of two-roll cold tube mill