Covers general requirements for stranded steel wire ropes for winding and man-riding
haulages in mines. The following rope constructions, types and size ranges are covered:
Construction Type Tensile Designation of Wire Size Table
1 420 1 570 1 770 1 960 mm
6x7 (6/1) Round strand — x x x 13 to 29 1
6x15(7/7/1) — X X X 13 to 32
6x17(8/8/1) Round strand — x X X 13 to 35 2
6x19(9/9/1) — x X X 13 to 38
6x26 ( 10/5 & 5/5/1 ) — X X X 25 to 41
6x31 ( 12/6 & 6/6/1 ) Round Strand — X X X 29 to 44 3
6x36 (14/7 & 7/7/1 ) X X X 35 to 51
6X41 ( 16/8 & 8/8/01) — X x x 38 to 60
6x49 ( 16/8+8F/8/8/1 ) Round strand — X X X 51 to 64 3
17x7(6/1) Multi-round strand X x x x 19 to 35 4
18x7(6/1) non-rotating x x x x 19 to 35
34x7(6/1) Multi-round strand — X X X 25 to 60 5
36x7(6/1) non-rotating — X X X 25 to 60
6x8 (7/△ — X X X 19 to 32
6x9 (8/△) Flattened strand — X X X 19 to 32 6
6x22(9/12/△) — X X X 25 to 35
6x25 ( 12/12/△) Flattened strand — X X X 25 to 44
6X28 (15/12/△) Flattened strand — X X X 32 to 54 7
6X31 (18/12/△) — X X X 38 to 64
IS 1855-1977 history
1977IS 1855-1977 Specification for wire ropes for winding and manual traction in mines