4340, 4340 Mod Bar, 4340 Vac Bar Alloy Steel 4340 is another alloy known for superior mechanical properties. AISI 4340 is a heat treatable, low alloy steel containing nickel, chromium and molybdenum. It is known for its toughness and capability of developing high strength in the heat treated condition while retaining good fatigue strength. 4340 Hardened and Tempered Bar - Interlloy4340 High Tensile Steel. 4340 is a 1.8% nickel - chromium - molybdenum high hardenability high tensile steel - generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa (condition U) - (Rc 28 - 36).. Characterised by high strength and toughness in relatively large sections. Pre hardened and tempered 4340 can be further
4340 High Tensile Steel. 4340 is a 1.8% nickel - chromium - molybdenum high hardenability high tensile steel - generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa (condition U) - (Rc 28 - 36).. Characterised by high strength and toughness in relatively large sections. Pre hardened and tempered 4340 can be further surface hardened by flame or induction hardening and by nitriding. AISI / SAE 4340 Round Bar supplier - Ratnam SteelRatnam steel is one of the largest exporter, manufacturer and supplier of CS AISI-SAE 4340 Round Bars, AISI-SAE 4340 Bright Bar, AISI-SAE 4340 Hex and Flat Bar, AISI-SAE 4340 Round bar Alloy 4340 Steel - ThomasnetJun 22, 2021 · Distributor of 4340 alloy steel in form of rods, round bars, coil and wire rods. Types include hot rolled, cold drawn, rough turned, turned, polished, quenched, tempered, thermal treated and annealed bars. Available in 20 ft. length. Alloy steel consists of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium and molybdenum.
4140 Alloy Steel, 3/4" Round, 11" long bar, rod, Solid, Blacksmithing, Forging. $16.01. Free shipping. 2 1/2" Round Steel Bar Lathe Machining Blacksmithing 1045 12 Long CR. $41.71. Steel Angle Iron 1/8 Inch x 1 Inch x 6 Ft Hot Rolled Carbon Steel 90° Stock Mill. $25.26. Free shipping. Steel Solid Round Stock 1" x 3 Ft Unpolished Cold Alloy Steel Quik Guide - Castle Metalsround inches condition quality specifications mechanical properties tensile ksi yield ksi %el. 2 % r.a. hbw medium carbon alloy quenched and tempered steels thru hardened in bar form eliminate part heat treating industry standard specs machinable high strength suitable for induction hardening supercut 150® offers high strength and toughness China AISI 4340 / GB 40crnimo / DIN 1.6511 Steel Round China AISI 4340 / GB 40crnimo / DIN 1.6511 Steel Round, Find details about China Steel Round Bar, Alloy Steel Round Bar from AISI 4340 / GB 40crnimo / DIN 1.6511 Steel Round - Dongguan Ruiyuan Steel
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H Fundamentals of Heat Treating:Ideal Diameterfor say an AISI 1045 steel to over of 7 in. (178 mm) for an AISI 4140 steel. A more hardenable steel allows the heat treater to form martensite even in the middle of a thick bar (where cooling rates are slow), whereas a less harden-able steel can achieve a martensitic structure only in thin sections, where the cooling rates are fast.
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent Forging:4340 steel is usually forged at a temperature of 1065 to 1230 °C (1950 to 2250 °F); after forging, the parts can be air-cooled in a dry place, or preferably with a furnace. Welding of AISI 4340 Steel. AISI 4340 steel has good weldability. It can be easily gas or arc welded, but electrodes of the same composition should be used.
11706 E4340 4340 ALLOY Metals Castle Metals Site. ALLOY / E4340 / BAR. Item:11706. Shape:Round. Temper:1 IN Round E4340 ALLOY Cold Finished, Annealed, AQ, AMS 6415, 120.0000-156.0000 IN Length. Specs:AMS.6415,AISI.E4340,AMS.2301,AMS.S-5000 COND C6,UNS.G43406. LBS/FT:2.67. Shipping Postal Code.