SAE AMS-S-5626A
SAE AMS-S-5626A 2002-JAN-01 Steel Chrome-Molybdenum 4140 Bars Rods and Forgng Stock For Arcraft Applcatons
SAE AMS-S-5626A 2002-JAN-01 Steel Chrome-Molybdenum 4140 Bars Rods and Forgng Stock For Arcraft Applcatons
This specification covers chrome-molybdenum (4140) steel bars, rods, and forging stock of aircraft quality.
Classification:
Physical conditions: Bars and rods shall be furnished in one of the following physical conditions, as specified (see 6.2):
(A) As forged
(B) As rolled
(C) Annealed
(D) Normalized
(E) Normalized and tempered
(F) Quenched and tempered
Surface conditions: Bars and rods shall be furnished in one of the following surface conditions, as specified (see 6.2):
(1) Black, as forged or rolled
(2) Pickled or blast cleaned
(3) Rough turned
(4) Cold finished
(5) Turned, ground, and polished