Crumbly, and partially or totally unweldable, from having already been raised to too high a temperature in touch with air: said of metal and metal. The character regarding the change that your material goes through is certainly not yet clearly recognized.
Consumed or scorched by fire.
Crumbly, and partially or entirely unweldable, from having been raised to excessive a temperature in touch with the atmosphere: said of iron and metal. The nature associated with modification that your metal undergoes just isn't yet clearly understood.