Martensitic Stainless Steel Aermet 100 High Strength Mechanical

Martensitic Steel Alloy A-100 High Strength Excellent Mechanical Performance

A-100 (AerMet 100) is an ultra-high strength type of martensitic steel alloy, It has a very hard form of steel crystalline structurewas and developed in response to a need for a stronger and tougher material with superior fracture toughness and ductility. The minimum tensile strength of the alloy is 280 ksi (1930 MPa).

Due to the alloy is not a corrosion-resistant alloy, the sealing must be performed if used in a wet environment. Excellent hardness, tensile strength, and ductility make the alloy a candidate for various applications, including landing gear, armor, fasteners, actuators, ordnance, jet aircraft, engine shafts, drive axles, and structural tubes. AerMet 100 high-strength steel can be used in operating condition up to 427 °C (800 °F).

Parameters

Density: 7.9g/cm3(0.285lb/in3)

Elastic modulus: 28.2 * 103KSI

Resresistivity: 259.0 ohm-cir-mil / ft (70.0 ° F)

Advantages

High hardness and strength

Excellent mechanical performance

Safety belts and strength

Excellent ductility and toughness

High fracture toughness

Excellent fatigue and stress corrosion cracking resistance

High fatigue strength

Decarburization

Like other carbon bearing high strength alloys, AerMet 100 alloy is subject to decarburization during hardening. Heat treatment should take place in a neutral atmosphere furnace, salt bath or vacuum. Decarburization should be determined by comparing the surface and internal hardness of a small test cube for proper response. Metallographic determination of decarburization is not recommended for this alloy.

Normalizing

AerMet 100 alloy can be normalized by heating to 1650° F (899° C) holding for one hour and air cooling to room temperature. Optimum softening for machining is obtained by following the 1650° F (899° C) normalize with a 16 hour 1250° F (677° C) overage anneal.

Annealing

AerMet 100 alloy is softened by using a 1250° F (677° C) overage anneal for 16 hours. The optimum annealed hardness of 40 HRC maximum is obtained following this anneal.

Solution Treatment

The solution treatment temperature range is 1625° F+/-25° F (885° C +/-14° C) for 1 hour. The solution treatment temperature must be monitored by a thermocouple attached to the load.

Specifications

AMS 6532,UNSK92580

Available forms

Forgings, rods, square rods, plate, strip, wire, welding wire, etc., with a diameter range of 20-400mm