Aha Chemical Composition (%) egweri bọọlụ Cr 2-25% C SI Mn Cr PS Mo Al 2.0-3.3 0.3-1.2 0.3-1.0 ≥1.0 ≤0.1 ≤0.06 trace trace Cu Ni Nb Ti Zr VB Mg trace trace trace trace trace trace dayameta 10-150mm Cheta: Ọ bụla mkpa ịgbanwe kemịkal mejupụtara ma ọ bụ tinye alloyed ọcha, price ga-ekweta dị ka nkwekọrịta.