Pre hardened and tempered 4340 can be further surface hardened by flame or induction hardening and by nitriding. 4340 is used in most industry sectors for applications requiring higher tensile/yield strength than 4140 can provide. Typical applications are:Heavy Duty Shafts, Gears, Axles, Spindles, Couplings, Pins etc. Colour Code. 4340 Steel 36CrNiMo4 1.6511 EN24 SNCM439 - Otai AISI 4340 steel is a medium carbon, low alloy steel. Otai steel is one leading supplier of 4340 steel & equivalents:36CrNiMo4, 1.6511, EN24, SNCM439 etc.
WALDUN is a good Chinese AISI 4340 steel Manufacturer and Exporter.You can get supplied with round,square,flat,block,and shaft etc from WALDUN.. AISI 4340 steel is defined as a heat treatable and low alloy steel which has 0.8% Cr, 0.2% Mo and 1.8% Ni as strengthening alloy elements.Compared with AISI 4140,it has higher strength and toughness,also it has very good fatigue resistance, wear AISI 4340 Alloy Steel - West Yorkshire Steelblanks. 4340 ground steel bar can be produced, providing a good quality alloy steel precision ground bar to close tolerances. Contact our experienced sales team who will assist you with your AISI 4340 alloy steel enquiry. Diameter Applications This grade of steel is suited for shock loading or stress concentration applications such as shafts, gears, bolts, AISI 4340 Steel Scientific.NetAbstract:The AISI 4340 steel has been largely employed for structural purposes, which requires resistance levels with yield strength above 1400 MPa and it attains high levels of resistance in dual phase, bainitic or martensitic microstructural conditions.
Jun 02, 2012 · alloy_steel_sae_4340.txt · Last modified:2012/06/02 by dmitri_kopeliovich Except where otherwise noted, this work is licensed under a Creative Commons Attribution-Noncommercial-Share How to Weld EN24/ AISI 4340 and EN 24/4340 with A36 or Welding electrode/ TIG -MIG Filler for EN24/ AISI 4340 Welding Use E8018-B2 or ER80S-B2 when carry out weld builtup or crack repairs. These consumables will have low strength than the actual EN24/ AISI 4340 Q & T material although offer similar metallurgy and crack resistant weld. Sturdy, Stainless aisi 4340 steel pipe for Industry Uses These solid structural aisi 4340 steel pipe are used for bending, de-coiling, punching, cutting, framework construction, automotive uses and many more. You can select from customized aisi 4340 steel pipe coming with varied thickness, length and diameters.
2,426 aisi 4340 steel price products are offered for sale by suppliers on , of which steel round bars accounts for 23%, steel sheets accounts for 5%, and stainless steel sheets accounts for 1%. A wide variety of aisi 4340 steel price options are available to you, such as aisi, astm, and jis. You can also choose from bending, cutting, and decoiling aisi 4340 steel price, as well as from container plate, ship plate, and boiler plate aisi 4340 steel price, and whether aisi 4340 steel sae 4340 alloy steel, sae 4340 alloy steel Suppliers and A wide variety of sae 4340 alloy steel options are available to you, such as aisi, din, and api. You can also choose from cutting, bending sae 4340 alloy steel, as well as from structural steel bar, ship plate, and fluid pipe sae 4340 alloy steel, and whether sae 4340 alloy steel is is alloy, or non-alloy.SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent SAE AISI 4340 steel is usually used in places where severe conditions exist and heavy parts requiring high strength, and can be widely used as billet, bar, bar, forging, sheet, pipe and welding wire. AISI 4340 steel can also be produced as light plates and castings.