HR-150B Faʻamalosia Rockwell tofotofo maaa

tusi lesona faʻateleina rockwell maaa tofotofoga, ce tusi faʻamaoniga faigata

Vaega:

Faʻagasologa o suʻega tusi, e le manaʻomia le puleaina o le eletise

E tumau ma faʻatuatuaina mo le suʻesuʻeina o le piʻo o le laualuga

O gaioiga talafeagai e o gatasi ma Tulaga o GB / T 230.2, ISO 6508-2 ma le ASTM E18

Talosaga:

E talafeagai e fuafua ai le maaa Rockwell o uʻamea, uʻamea-leai uʻamea ma le leai uʻamea mea. E mafai ona lautele faʻaaogaina i le Rockwell maaa tofotofoga mo vevela togafitiga mea, e pei o le tineia, faʻamaʻaʻa ma agamalu, ma isi