标准摘要
This specification covers an aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.Cross Reference:
英文名称Steel Bars, Forgings, and Mechanical Tubing Aircraft-Quality 0.50Cr - 0.55Ni - 0.20Mo (0.15 - 0.20C) (SAE 8617)