Alloy seamless steel yeeb nkab yog ib hom seamless steel yeeb nkab, thiab nws cov kev ua tau zoo ntau dua li cov yeeb nkab seamless steel zoo tib yam.Alloy seamless steel yeeb nkab muaj cov khoom xws li silicon, manganese, chromium, npib tsib xee, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, txhuas, tooj liab, boron, tsis tshua muaj ntiaj teb, thiab lwm yam.