现行

SAE AMS6317L

Steel Bars and Forgings 1.8Ni - 0.25Mo (0.38 - 0.43C) (4640) Heat Treated, 125 ksi (862 MPa) Tensile Strength
经热处理的1.8Ni-0.25Mo（0.38-0.43C）（4640）钢棒和锻件 125 ksi（862 MPa）抗拉强度

2022-08-09

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 MAM6415C

Steel, Bars, Forgings, and Tubing, 0.80cr 1.8ni 0.25mo (0.38 0.43)
钢、棒材、锻件和管材 0.80cr 1.8ni 0.25mo（0.38 0.43）

2003-03-12

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 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 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 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 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 AMS6417K

Steel, Bars, Forgings, and Tubing 1.6Si - 0.82Cr - 1.8Ni - 0.40Mo - 0.08V (0.38 - 0.43C) Consumable Electrode Vacuum Remelted
1.6Si-0.82Cr-1.8Ni-0.40Mo-0.08V（0.38-0.43C）自耗电极真空重熔钢、棒材、锻件和管材

2021-02-12

现行

SAE AMS6420

Steel Tubing (Seamless for Machined Parts) 1.8ni 0.80cr 0.25mo (0.38 - 0.43c) Heat Treated (200,000 Tensile Strength)
热处理（200000抗拉强度）的1.8ni 0.80cr 0.25mo（0.38-0.43c）无缝钢管（机加工零件用）

2002-12-16

现行

SAE AMS6424H

Steel Bars, Forgings, Mechanical Tubing and Forging Stock 0.80Cr - 1.8Ni - 0.25Mo (0.49 - 0.55C)
钢筋、锻件、机械管和锻坯0.80Cr-1.8Ni-0.25Mo（0.49-0.55C）

2022-07-06

现行

SAE AMS6321E

Steel Bars, Forgings, and Tubing, 0.42cr 0.30ni 0.12mo 0.003b (0.38-0.43c) (81b40)
钢筋、锻件和管材 0.42cr 0.30ni 0.12mo 0.003b（0.38-0.43c）（81b40）

1983-10-01

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 AMS6470P

Steel, Nitriding, Bars, Forgings and Tubing 1.6Cr - 0.35Mo - 1.13Al (0.38 - 0.43C) (135 Mod)
钢、渗氮、棒材、锻件和管材1.6Cr-0.35Mo-1.13Al（0.38-0.43C）（135 Mod）

2018-08-03

现行

SAE AMS6299G

Steel Bars, Forgings, and Tubing, Carburizing 0.50Cr - 1.8Ni - 0.25Mo (0.17 - 0.23C) (SAE 4320H)
渗碳0.50Cr-1.8Ni-0.25Mo（0.17-0.23C）的钢筋、锻件和管材（SAE 4320H）

2019-01-14

现行

SAE AMS6422L

Steel, Bars, Forgings, and Tubing 0.80Cr - 0.85Ni - 0.20Mo - 0.003B - 0.04V (0.38 - 0.43C) (Modified 98BV40)
钢、棒材、锻件和管材0.80Cr-0.85Ni-0.20Mo-0.003B-0.04V（0.38-0.43C）（修改98BV40）

2021-03-01

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 AMS6471K

Steel, Nitriding, Bars, Forgings, Mechanical Tubing, and Stock for Forging, 1.6Cr - 0.35Mo - 1.13Al (0.38 - 0.43C) (135 Mod), Premium Aircraft Quality, Consumable Electrode Vacuum Remelted
氮化钢、棒材、锻件、机械卡套管和锻造坯料 1.6Cr-0.35Mo-1.13Al（0.38-0.43C）（135 Mod） 高级飞机质量 自耗电极真空重熔

2023-12-26