Nɛgɛba min bɛ kɛ ni chrome ye, o ye fɛn caman ye ni nɛgɛ, chrome ani carbone ye i n’a fɔ a yɔrɔ jɔnjɔnw, minnu ka gɛlɛn ka bon, minnu ka funteni ka bon, minnu sɛgɛnnen don kosɛbɛ ani minnu ka kemikaliya sabatili ka bon, wa a bɛ kɛ ka caya yɔrɔw dilanni na minnu bɛ se ka sɛgɛn, minnu bɛ baara kɛ ni funteni caman ye ka tɛmɛ degere 800 kan . A ka kemikaliya hakɛ bɛ sɔrɔ kɛrɛnkɛrɛnnenya la karɔbɔni (2. (0,3%-1.2%), kisɛ ni fosiporozɛni (a si tɛ tɛmɛ 0,05%), ani chromium (10%-30%, a ka c’a la 15%{{14}%) i n’a fɔ fɛn kolomaw. Ka fara o kan, fɛn dɔw i n’a fɔ nikɛri, molibdɛni ani kuran fana bɛ se ka sɔrɔ, nka ni u hakɛ dɔgɔyara. 12
Nɛgɛba min bɛ kɛ ni chromium ye, o funteni furakɛli bɛ nɔba bila a ka jogo la. funteni furakɛli fɛɛrɛw minnu ka teli ka kɛ, olu ye annealing, normalize, quenching ani tempering, etc{. ye ni funteni furakɛli paramɛtiriw ladilanni ye, a gɛlɛya, a gɛlɛya ani a sɛgɛnbaliya bɛ se ka ɲɛ ka taa a fɛ walasa ka baarakɛcogo wɛrɛw magow ɲɛ.
