This standard specifies the types and basic parameters of pipe straightening machines (hereinafter referred to as straightening machines). This standard applies to straightening machines for straightening circular cross-sections of ferrous and non-ferrous metals.
JB/T 1109-2010 history
2010JB/T 1109-2010 Tube straightener-Type and basic parameter
1999JB/T 1109-1999 Type and basic parameter of tube straightener