Steel Bars, Forgings, and Mechanical Tubing Aircraft-Quality 0.50Cr - 0.55Ni - 0.20Mo (0.15 - 0.20C) (SAE 8617)
飞机用棒材、锻件和机械卡套管质量0.50Cr-0.55Ni-0.20Mo（0.15-0.20C）（SAE 8617）

2023-09-22

Steel, Bars, Forgings, and Mechanical Tubing and Forging Stock Aircraft Quality 0.50Cr - 0.55Ni - 0.20Mo (0.13 - 0.18C) (SAE 8615)
钢、棒材、锻件、机械卡套管和锻造坯料飞机质量0.50Cr-0.55Ni-0.20Mo（0.13-0.18C）（SAE 8615）

2023-10-02

Steel, Mechanical Tubing 0.50Cr - 0.55Ni - 0.20Mo (0.25 - 0.33C) (SAE 8630)
0.50Cr-0.55Ni-0.20Mo（0.25-0.33C）的机械管钢（SAE 8630）

2020-07-08

Steel Bars, Forgings, Rings and Forging Stock 0.50Cr - 0.55Ni - 0.20Mo (0.28 - 0.33C) (SAE 8630)
钢筋、锻件、环件和锻坯0.50Cr-0.55Ni-0.20Mo（0.28-0.33C）（SAE 8630）

2022-07-06

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.50Cr - 0.55Ni - 0.25Mo (0.48 to 0.53C) (8750)
钢、棒材、锻件、机械管材和锻造坯料0.50Cr-0.55Ni-0.25Mo（0.48至0.53C）（8750）

2023-01-13

Steel, Bars, Forgings, and Tubing 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620) Vacuum Arc or Electroslag Remelted
钢、棒材、锻件和管材0.50Cr-0.55Ni-0.20Mo（0.18-0.23C）（SAE 8620）真空电弧或电渣重熔

2021-03-30

Steel, Bars, Forgings, and Tubing 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620) Consumable Electrode Vacuum Remelted
钢、棒材、锻件和管材0.50Cr-0.55Ni-0.20Mo（0.18-0.23C）（SAE 8620）自耗电极真空重熔

2021-04-06

Steel, Bars, Forgings, Mechanical Tubing and Forging Stock 0.50Cr - 0.12Mo (0.89 - 1.01C)
钢、棒材、锻件、机械管和锻坯0.50Cr-0.12Mo（0.89-1.01C）

2021-11-09

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 1.05Cr - 0.55Ni - 1.0Mo - 0.11V (0.45 - 0.50C) (D6AC) Vacuum Consumable Electrode Remelted
1.05Cr-0.55Ni-1.0Mo-0.11V（0.45-0.50C）（D6AC）真空自耗电极重熔的钢、棒材、锻件、机械管和锻坯

2022-03-09