railweld

  • Dernière connection l'année dernière
Genre:
Femmes 
Nom:
Elaine
Emplacement:
Peking, Beijing, China
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railweld posté un nouveau blog:

What is aluminothermic welding?In the aluminothermic welding process, molten steel is poured into a mould surrounding the gap between the rail ends to be joined. The rail ends are connected by the liquid metal. The principle of aluminothermic welding is based on an exothermic chemical reaction of al…

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railweld posté un nouveau blog:

The rail research, production and rail adoption, which is a reflection of technological level. It is an expression of development of railway transportation and the progress of metallurgical science.There are 12 standards in the European rail standard system, including heavy rail, switch rail, guard…

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railweld posté un nouveau blog:

Thermite welding, sometimes written 'thermit welding', 'the Goldschmidt process' or 'exothermic welding', is the process of creating a welded joint by pouring molten metal between two or more workpieces. It was officially developed in 1895 and still has its uses on railroads today.   …

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railweld Vient de s'inscrire. Dis bonjour !