9310

Applications 

High performance helicopter transmission gears, components.

Composition nominal wt. % 

C 0.11, Cr 1.2, Mn 0.55, Mo 0.12, Ni 3.3, P 0.013, S 0.013, Si 0.25

Specifications 

AMS 6260, 6265; MIL-S-7393.
ASTM A 29, A 331, A 519, A 646; BMS 7-249.

Density lb/in3 (gcm3) 

0.284 (7.86)

Metallurgical Condition 

1,650°F normalization

Tensile Strength ksi (MPa) 

140 (966)

0.2% Yield Strength ksi (MPa) 

130 (897)

Elongation % 

15

Reduction in Area % 

40

Hardness 

36 HRC

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