现行

SAE AMS6358L

Steel Sheet, Strip, and Plate 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
薄钢板、钢带和钢板0.50Cr-0.55Ni-0.25Mo（0.38-0.43C）（SAE 8740）

2020-09-01

现行

SAE AMS6282K

Steel Tubing, Mechanical 0.50Cr - 0.55Ni - 0.25Mo (0.33 - 0.38C) (SAE 8735)
机械强度为0.50Cr-0.55Ni-0.25Mo（0.33-0.38C）的钢管（SAE 8735）

2020-07-07

现行

SAE AMS6327L

Steel Bars and Forgings 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) Heat Treated, 125 ksi (862 MPa) Tensile Strength
经125 ksi（862 MPa）抗拉强度热处理的0.50Cr-0.55Ni-0.25Mo（0.38-0.43C）（SAE 8740）的钢筋和锻件

2017-09-22

现行

SAE AMS6325L

Steel, Bars, and Forgings 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) Heat Treated, 105 ksi (724 MPa) Tensile Strength
钢、棒材和锻件0.50Cr-0.55Ni-0.25Mo（0.38-0.43C）（SAE 8740）热处理 105 ksi（724 MPa）抗拉强度

2020-04-10

现行

SAE AMS6322S

Steel Bars, Forgings, and Rings and Stock for Forging or Flash Welded Rings Aircraft-Quality 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (8740)
锻件或闪光焊环用棒材、锻件、环和坯料飞机质量0.50Cr-0.55Ni-0.25Mo（0.38-0.43C）（8740）

2023-10-20

现行

SAE AMS6415V

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340)
钢、棒材、锻件、机械管材和锻坯0.80Cr-1.8Ni-0.25Mo（0.38-0.43C）（SAE 4340）

2022-11-22

现行

SAE AMS6381K

Steel, Mechanical Tubing 0.95Cr - 0.20Mo (0.38 - 0.43C) (SAE 4140)
钢 机械卡套管0.95Cr-0.20Mo（0.38-0.43C）（SAE 4140）

2022-11-02

现行

SAE AMS6281K

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

现行

SAE AMS6484F

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Normalized and Tempered
正火和回火钢、棒材、锻件、机械管材和锻坯0.80Cr-1.8Ni-0.25Mo（0.38-0.43C）（SAE 4340）

2022-11-02

现行

SAE AMS6328P

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

现行

SAE AMS6342K

Steel Bars, Forgings, and Tubing 0.80Cr - 1.0Ni - 0.25Mo (0.38 - 0.43C) (SAE 9840) (Stabilized: Sep 2015)
钢筋、锻件和管材0.80Cr-1.0Ni-0.25Mo（0.38-0.43C）（SAE 9840）（稳定:2015年9月）

2015-09-02

现行

SAE AMS6414N

Steel, Bars, Forgings, Mechanical Tubing, and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Vacuum Consumable Electrode Remelted
钢、棒材、锻件、机械管材和锻坯0.80Cr-1.8Ni-0.25Mo（0.38-0.43C）（SAE 4340）真空自耗电极重熔

2023-03-01

现行

SAE AMS6274S

Steel, Bars, Forgings, and Mechanical Tubing 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620)
钢、棒材、锻件和机械管0.50Cr-0.55Ni-0.20Mo（0.18-0.23C）（SAE 8620）

2021-07-23

现行

SAE AMS6409F

Steel, Bars, Forgings, Mechanical Tubing and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.38 - 0.43C) (SAE 4340) Special Aircraft Quality Cleanliness Normalized and Tempered
钢、棒材、锻件、机械管和锻坯0.80Cr-1.8Ni-0.25Mo（0.38-0.43C）（SAE 4340）特殊飞机质量清洁度正火和回火

2021-09-13

现行

SAE AMS6324L

Steel Bars, Forgings, Mechanical Tubing, and Forging Stock Aircraft-Quality 0.65Cr - 0.70Ni - 0.25Mo (0.38 - 0.43C) (8740 Modified)
飞机用棒材、锻件、机械管和锻坯质量0.65Cr-0.70Ni-0.25Mo（0.38-0.43C）（8740修改）

2023-10-16

现行

SAE AMS6272P

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

现行

SAE AMS6270S

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