B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
44/3, 78/60
B23K 23/00 (2006.01) B23K 35/30 (2006.01) B23K 35/34 (2006.01) C22C 38/04 (2006.01)
Patent
CA 1090626
A B S T R A C T A method of aluminothermic welding o t members of austenitic steel containing by weight 10 to 20% manganese, 0.5 to 1.5% carbon and 0 to 5% nickel, and particularly low carbon austenitic steels containing by weight 14 to 17% manganese, 0.5 to 1.5% carbon and 0 to 5% nickel, comprises using a particulate mix for forming the aluminothermic steel, which mix is substantially tree from phosphorus and silicon and a mould whose body material is predominantly a non-silicon material.
316092
Ashton Michael E.
Key Anthony J.
British Railways Board
Smart & Biggar
Thermit Welding (gb) Limited
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