AECMA PREN 3220-1988 航空航天系列.抗热镍基合金Ni-P101HT) 冷锻变软棒材和线材用于 持续锻造或取出扣件直径3小于或等于直径D小于或等于30 mm
Aerospace Series Heat Resisting Nickel Base Alloy (Ni-P101HT) Cold Worked and Softened Bar and Wire for Continuous Forging or Extrusion for Fasteners 3 Less Than or Equal to D Less Than or Equal to 30 mm Issue P 1