Contexto:
H*t-formed heading or bending may cause development of a scale that requires an extended time of pickling to remove. Should this occur on screws, scale removal prior to threading is desirable in order to avoid overpickling of the threaded area.
No me deja escribir h o t ... espero entiendan esa es la palabra en cuestion...
Se trata de una especificacion ASTM para galvanizado en caliente.
Gracias!!!!!!!!!!!!
