Mpweya wachitsulo wa carbon umayamba chifukwa cha zipangizo, njira ndi ntchito mu carbon steel smelting ndi rolling (forging) process, kuphatikizapo zipsera, ming'alu, shrinkage yotsalira, layered, white point, lections, non-metallic inclusions, monga osteoporosis ndi banded.Mabala Palibe mabala ndipo ...
Werengani zambiri