83L

Alloy Steel

ASTM A579 Grade 83L super-strength alloy-steel forging for critical aerospace/defense structural members (yield >965 MPa).

Mechanical Properties

Ultra-high-strength; properties per ASTM A579 Grade 83L (yield >965 MPa), grade-dependent strength

Chinese Standard

ASTM A579 / A579M

Applications

Highly stressed aircraft/space/defense structural members, landing gear, shafts, fasteners

Available Forms

Forgings, forged bars, rings

Uses

Aircraft/space structural forgings, shafts, gears, fasteners

Heat Treatment

Quench & temper (or maraging/ausaging per grade); obtain properties by heat treatment

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