4150 Chromium-Molybdenum Alloy Steel

Description

4150 is resulphurized with a modified chemistry of this medium carbon alloy steel that provides deeper hardenability. The addition of sulfur along with a Calcium treatment results in improved machinability.

4150 CT (Calcium Treated)
4150 CT QTSR (Calcium Treated Quenched & Tempered, Stress Relieved
4150 HT (Heat Treated)
4150 Modified-Resulphurized
4150 RSCT (Resulphurized Calcium Treated)
4150 Q&T SR (Quenched & Tempered, Stress-Relieved)
4150H
ORD4150
Tufloy (tm)
Maxel 3-1/2(tm)

Applications

Shafts, Aircraft Parts, Drill Collars, Bolts, Couplings, Valves, Sprockets, Axles

Specifications

G41500 4150, Cr-Mo ALLOY STEEL
ASTM A-29 GENERAL REQUIREMENTS FOR CARBON & ALLOY BARS, WROUGHT & COLD-FINISHED
ASTM A-193 ALLOY-STEEL & STAINLESS STEEL BOLTING MATERIALS FOR HIGH-TEMP. SERVICE
ASTM A-194 CARBON & ALLOY NUTS FOR BOLTS FOR HIGH-PRESSURE & HIGH-TEMP. SERVICE
ASTM A-320 ALLOY STEEL BOLTING MATERIAL FOR LOW TEMPERATURE SERVICE
ASTM A-322 STEEL BARS, ALLOY, STANDARD GRADES
ASTM A-331 STEEL BARS, ALLOY, COLD-FINISHED
ASTM A-519 SEAMLESS CARBON & ALLOY MECHANICAL TUBING
ASTM A-711 STANDARD SPEC. FOR STEEL FORGING STOCK
ASTM A-752 GENERAL REQUIREMENTS FOR WIRE RODS & COARSE WIRE, ALLOY STEEL
ASTM A-829 ALLOY STRUCTURAL STEEL PLATES
MIL-S-11595 (ORD4150) BAR, METAL & BLANKS, STEEL (UNDER 2" IN DIAMETER) FOR BARRELS OF SMALL ARMS WEAPONS
QQ-S-626 ALLOY STEEL PLATES ( STRUCTURAL )
SAE J404 CHEMICAL COMPOSITIONS OF SAE ALLOY STEELS
SAE J412 GENERAL CHARACTERISTICS & HEAT TREATMENTS OF STEELS GENERAL CHARACTERISTICS & HEAT TREATMENTS OF STEELS
SAE J1397 ESTIMATED MECHANICAL PROPERTIES & MACHINABILITY OF STEEL BARS

Available Forms

• Bar
• Extrusion-shapes
• Forge
• Hex Bar
• Rolled Rings
• Square Bar