AMS 6322L-2000

Steel bars， forgings and rings 0.50Cr-0.55Ni-0.25Mo（0.38-0.43C）（SAE 8740）

2.1 (Continued): AMS 2372 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Forgings AMS 2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat Resistant Steels and Alloys AMS 2808 Identification, Forgings AMS 7496 Rings, Flash Welded, Carbon and Low-Alloy Steels AS1182 Standard Machining Allowance, Aircraft Quality and Premium Quality Steel Bars and Mechanical Tubing 2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM A 255 End-Quench Test for Hardenability of Steel ASTM A 370 Mechanical Testing of Steel Products ASTM E 112 Determining the Average Grain Size ASTM E 350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron ASTM E 381 Macroetch Testing, Inspection, and Rating Steel Products Comprising Bars, Billets, Blooms, and Forgings 3. TECHNICAL REQUIREMENTS: 3.1 Composition: Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 350 or by spectrographic or other analytical methods approved by purchaser: