4320 / E4320 Nickel-Chromium-Molybdenum Alloy Steel

Description

Alloy E4320 is a low Carbon Case Hardening Nickel-Chromium-Moly alloy with good toughness, heat treat response, and strength. It has a tough, ductile core. Its low Carbon levels give it good weldability. 4320 shows very good shock resistance. AQ-aircraft quality / BQ-bearing quality

Applications

Gears, Bearings, Plates, Pins, Castings, Valves

Specifications

UNS# G43200
ASTM A-29 GENERAL REQUIREMENTS FOR CARBON & ALLOY BARS, WROUGHT & COLD-FINISHED
ASTM A-108 STEEL BARS, CARBON AND ALLOYS, COLD-FINISHED
ASTM A-322 STEEL BARS, ALLOY, STANDARD GRADES
ASTM A-331 STEEL BARS, ALLOY, COLD-FINISHED
ASTM A-434 SPECIFICATION FOR STEEL BARS, ALLOY, HOT-WROUGHT OR COLD-FINISHED, QUENCHED AND TEMPERED
ASTM A-519 SEAMLESS CARBON & ALLOY MECHANICAL TUBING
ASTM A-521 SPECIFICATION FOR STEEL, CLOSED-IMPRESSED DIE FORGING FOR GENERAL INDUSTRIAL USE
ASTM A-689 SPECIFICATION FOR CARBON AND ALLOY STEEL BARS FOR SPRINGS
ASTM A-711 STANDARD SPEC. FOR STEEL FORGING STOCK
ASTM A-752 GENERAL REQUIREMENTS FOR WIRE RODS & COARSE WIRE, ALLOY STEEL
ASTM A-837 STEEL FORGINGS, ALLOY, FOR CARBURIZING APPLICATIONS
SAE J1397 ESTIMATED MECHANICAL PROPERTIES & MACHINABILITY OF STEEL BARS
SAE J404 CHEMICAL COMPOSITIONS OF SAE ALLOY STEELS
SAE J412 GENERAL CHARACTERISTICS & HEAT TREATMENTS OF STEELS GENERAL CHARACTERISTICS & HEAT TREATMENTS OF STEELS

Available Forms

• Bar
• Forge
• Rolled Rings
• Tubes