BS 2772-3:1987

This standard BS 2772-3:1987 Colliery haulage and winding equipment is classified in these ICS categories:

• 73.100.40 Haulage and hoisting equipment
• 77.140.80 Iron and steel castings

This Part of BS 2772 specifies requirements for 1.5 % manganese steel castings to be used for colliery haulage and winding equipment, more particularly mine car couplings, manriding car couplings and rope sockets.

NOTE 1 Information which the purchaser is strongly recommended to provide is given in Appendix A.

NOTE 2 The standard is for steel castings and thus the purchaser referred to is the purchaser of the steel castings and not the purchaser of the components made from these castings.

NOTE 3 The titles of the publications referred to in this standard are listed on the inside back cover.

Chemical composition, heat treatment, surface finish and mechanical properties. Guidance on rectification and non-destructive examination.