BS 2772-2:1989

This standard BS 2772-2:1989 Colliery haulage and winding equipment is classified in these ICS categories:

• 77.140.01 Iron and steel products in general
• 73.100.40 Haulage and hoisting equipment

This Part of BS 2772 specifies requirements for wrought steel plates, blooms, billets, slabs, bars, forgings and drop forgings to be used for colliery cage suspension gear, colliery tubs, mine-car drawgear and couplings and rope sockets. Details of information to be supplied by the purchaser are given in Appendix B. Appendix C gives guidance on chemical composition for each of the five groups of steels considered.

NOTE The titles of the British Standards referred to in this standard are listed on the inside back cover.

Five groups based on mechanical property requirements.