Wear Resistant AISI/SAE 4140 Alloy Steel Bar

AISI 4140 steel bar is composed of a low alloy steel featuring chromium, molybdenum, and manganese. With a high carbon content, it offers a favorable balance of strength, toughness, wear resistance, impact resistance, and heat treatment capabilities.

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AISI/SAE 4140 Alloy Steel Bar Description

AISI 4140 steel is a 1% chromium-molybdenum general-purpose high-strength steel, typically hardened and tempered within the tensile range of 850-1000 Mpa. It offers enhanced machinability, significantly increasing feed and speed while extending tool life without compromising mechanical properties. Pre-hardened and tempered 4140 steel can undergo further case hardening through flame or induction hardening and nitriding. AISI 4140 steel bars are characterized by high strength, hardenability, good toughness, minimal deformation during quenching, and robust creep strength and enduring strength at elevated temperatures.

Product Parameters

Product Name	AISI/SAE 4140 Alloy Steel Bar
Standard	EN/DIN/JIS/ASTM/BS/ASME/AISI, etc.
Common Round Bar Specifications	3.0-50.8 mm, Over 50.8-300mm
Flat Steel Common Specifications	6.35x12.7mm, 6.35x25.4mm, 12.7x25.4mm
Hexagon Bar Common Specifications	AF5.8mm-17mm
Square Bar Common Specifications	AF2mm-14mm, AF6.35mm, 9.5mm, 12.7mm, 15.98mm, 19.0mm, 25.4mm
Length	1-6meters, Size Accept Custom
Diameter(mm)	Hot Rolling Round Bar	25-600	Cold Rolling Square Bar	6-50.8
	Hot Rolling Square Bar	21-54	Cold Rolling Hexagon Bar	9.5-65
	Cold Rolling Round bar	6-101.6	Forged Rebar	200-1000
Surface Process	Bright, Polished, Black
Other Services	Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.
Scope of Application	SAE 4140 steel is extensively utilized across various industrial sectors, with a broad spectrum of applications including adapters, spindles, axles, bolts, crankshafts, connecting rods, chuck bodies, chucks, conveyor belt pins and rollers, ejection pins, forks, gears, guide rods, hydraulic shafts and parts, lathe spindles, logging parts, milling spindles, motor shafts, nuts, clamping rods, various pins, pump shafts, plungers, sleeves, spindles, sprockets, stud bolts, tool holders, torsion bars, worms, and more.