Alloy seamless, steel pipe jẹ iru paipu irin alailẹgbẹ, ati pe iṣẹ rẹ ga pupọ ju ti paipu irin alailẹgbẹ lasan.Alloy seamless, steel pipe ni awọn eroja bii silikoni, manganese, chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, aluminiomu, Ejò, boron, ilẹ toje, ati bẹbẹ lọ.