SAE AMS-S-18729A
SAE AMS-S-18729A 2002-JAN-01 Steel Plate Sheet and Strp Alloy 4130 Arcraft Qualty Superseded by SAE AMS6345C SAE AMS6351J
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This specification covers chrome-molybdenum alloy 4130, steel sheet, strip, and plate of thickness to and including 1.50 inches.
Classification: Materials shall be furnished in the following conditions.
Physical condition: (A) Annealed (MA) Modified annealed (N) Normalized or otherwise heat treated by the producer