Our Centerless Grinding Services

Using the latest CNC machines, Advance Grinding Services, Inc. performs precision centerless grinding that can bring out tight tolerances and precision roundness in bars with various geometries

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alloy steel grades

Alloy Steel Grades

Alloy Steel grades are carefully selected and evaluated to fit exact applications specified for their exhibited mechanical properties.

Alloy steel has various grades that are applied mostly in aerospace industries and components for the excellent properties they possess. Alloy steel grades are critically examined and evaluated for their designated applications. The different mechanical properties found in alloy steel grades may differ to quantity and quality according to number. Many manufacturers and industrial engineers use alloy steel out from a vast number of alloy steel grades, especially in aircraft construction. Alloy steel is known for its lightweight properties and high corrosion and abrasion resistance that make it withstand even at elevated temperatures.
ALLOY STEEL GRADE DESCRIPTION APPLICATION
4120 has good tough strength properties used for forging applications as forged valve bodies and pumps
4125 a chromium-molybdenum alloy steel, displays good strength and toughness properties automotive and engineering gear, engine construction – steering knuckles, forged crankshafts, etc.
4130 readily machineable, weldable and ductile, has tough strength commercial and military aircraft, machine tools, automotive, hydraulic tools, aerospace, auto racing
4135 low-alloy steel, capable of being heat treated and has reasonable toughness forged shafts, fixtures, collars, jigs, spindles
4140 provides good hardness penetration, wear resistant, tough and ductile highly stressed parts, or components subjected to severe wear
4142 medium-carbon steel, readily heated and has tough strength die holders, forged gears, collets, spindles, arbors, flanges, axles, clutch parts, etc.
4145 a chromium-molybdenum low alloy steel, readily forged, welded, and machined drill collars, shafts, forged gears, rolls for paper mills, tool holders and pump shafts
4150 low-alloy steel, has good atmospheric corrosion resistance and strength forgings in the aerospace, gas, and oil industries, forged gears, shafts, and spindles
4340 nickel-chromium molybdenum alloy, has high toughness and fatigue strength commercial and military aircraft, machine tool applications, automotive systems, forged steel crankshafts
52100 high carbon, chromium alloy steel for highly stressed parts like aircraft bearing
6150 fine grained carbon-chromium alloy steel, highly abrasion resistant gear and engine construction, forged crankshafts, connecting rods, pump and gear shafts, spindles and steering knuckles
8620 most widely used carburizing alloy, has high core strength forged camshafts, gears, and fasteners
8740 nickel-chromium low alloy steel, has tough strength properties high-strength forged fasteners
9310 low alloy steel, has good hardenability and fatigue strength crankshafts, heavy-duty gear shafts, gears in truck and aircraft construction
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