GNEE can supply round bars, flat bars, square bars, steel plates, and steel pipes made of 4140 alloy steel.
The 4140 steel corresponds to the 42CrMo grade and is a low-alloy steel containing chromium, molybdenum, and manganese. Due to its toughness, high fatigue strength, wear resistance, and impact resistance, it is widely used in many industries and is an excellent material choice.
42CrMo grade steel has numerous applications in the aerospace, oil and gas, and automotive industries. Typical uses include thin-walled pressure vessels, forged gears and shafts (such as motor shafts, pump shafts, and hydraulic shafts), main spindles (like lathe spindles and milling machine spindles), axle rings, fixtures, high-strength bolts, valve covers, screws, nuts, worm gears, chucks, torsion bars, and various carburized parts.
4140 Prehard Alloy Plate and Flat Bar Stock Sizes:
1/4" x 1" 4140 Prehard Alloy Flat
1/4" x 2" 4140 heat treated alloy Flat
1/4" x 3" 4140 chromium-molybdenum Flat
1/4" x 4" 4140 medium carbon alloy steel Flat
1/4" x 5" 4140 high strength Alloy Flat
1/4" x 6" 4140 Hot-Rolled Steel Alloy Flat
1/4" x 8" 4140 High Tensile Steel Alloy Flat
1/4" x 10" 4140 Prehard Alloy Flat
1/4" x 12" 4140 Prehard Alloy Flat
1/4" x 14" 4140 Prehard Alloy Flat
3/8" x 1" 4140 Prehard Alloy Flat
3/8" x 2" 4140 Prehard Alloy Flat
3/8" x 3" 4140 Prehard Alloy Flat
3/8" x 4" 4140 Prehard Alloy Flat
3/8" x 5" 4140 Prehard Alloy Flat
3/8" x 6" 4140 Prehard Alloy Flat
3/8" x 7" 4140 Prehard Alloy Flat
3/8" x 8" 4140 Prehard Alloy Flat
3/8" x 9" 4140 Prehard Alloy Flat
3/8" x 10" 4140 Prehard Alloy Flat
3/8" x 11" 4140 Prehard Alloy Flat
3/8" x 12" 4140 Prehard Alloy Flat
3/8" x 14" 4140 Prehard Alloy Flat
3/8" x 16" 4140 Prehard Alloy Flat
3/8" x 18" 4140 Prehard Alloy Flat
3/8" x 20" 4140 Prehard Alloy Flat
3/8" x 22" 4140 Prehard Alloy Flat
3/8" x 24" 4140 Prehard Alloy Flat
1/2" x 1" 4140 Prehard Alloy Flat
1/2" x 1-1/2" 4140 Prehard Alloy Flat
1/2" x 2" 4140 Prehard Alloy Flat
1/2" x 2-1/2" 4140 Prehard Alloy Flat
1/2" x 3" 4140 Prehard Alloy Flat
1/2" x 3-1/2" 4140 Prehard Alloy Flat
1/2" x 4" 4140 Prehard Alloy Flat
1/2" x 4-1/2" 4140 Prehard Alloy Flat
1/2" x 5" 4140 Prehard Alloy Flat
1/2" x 5-1/2" 4140 Prehard Alloy Flat
1/2" x 6" 4140 Prehard Alloy Flat
1/2" x 7" 4140 Prehard Alloy Flat
1/2" x 8" 4140 Prehard Alloy Flat
1/2" x 9" 4140 Prehard Alloy Flat
1/2" x 10" 4140 Prehard Alloy Flat
1/2" x 11" 4140 Prehard Alloy Flat
1/2" x 12" 4140 Prehard Alloy Flat
1/2" x 13" 4140 Prehard Alloy Flat
1/2" x 14" 4140 Prehard Alloy Flat
1/2" x 16" 4140 Prehard Alloy Flat
1/2" x 18" 4140 Prehard Alloy Flat
1/2" x 20" 4140 Prehard Alloy Flat
1/2" x 22" 4140 Prehard Alloy Flat
1/2" x 24" 4140 Prehard Alloy Flat
5/8" x 1" 4140 Prehard Alloy Flat
5/8" x 2" 4140 Prehard Alloy Flat
4140 chromium-molybdenum steel is provided in either annealed or pre-hardened conditions. 4140 pre-hardened material is heat-treated to a medium hardness (HRC 28/32) and designated as 4140 HT. High Tensile Steel plate 4140 in the annealed condition is supplied in a soft state and can be hardened to RC 40. 4140 HT comes in various forms such as hot rolled or turned, ground, and polished rounds, as well as DCF plates, and is used as holding material for high-strength structural components. 4140 can be used for plates, flat bars, or round tubes. Large-diameter 4140 HT is available in stock as pre-hardened and annealed hollow bar tubes.
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