Iwọnwọn ASTM B574 ṣalaye awọn ibeere fun awọn ọpa Nickel alloy ti a ṣe lati Aṣiṣe N0276, N06025, N06455, N06455, N06455, N06455, ati N06059, ati N06059 Awọn Alloys. Awọn ohun elo ASTM wọnyi ASTM B574 wọnyi ṣafihan awọn ohun-ini resistance ti o dara julọ ati lilo pupọ ni sise ti kẹmika, epo ati gaasi, ati awọn ile-iṣẹ iran.