4130 and 4340 are both popular steel grades at Capital Steel & Wire. Below is a chemical and mechanical properties comparison of both grades of steel as it may be of value for machining purposes and as a resource for purchasing 4130 and 4340 steel. 4130 4340 ALLOY In Stock Castle Metals SiteAlloy 4340 plate is another general purpose grade of steel used for industrial and machining applications. The inclusion of Nickel in Alloy 4340 helps simplify heat treatment. In addition, the Nickel in Alloy 4340 increases hardenability of the steel. An additional grade of Alloy 4340 is Alloy E-4340.
Equivalent Materials to AISI 4340. Download equivalents as an Excel file. Some equivalent materials may be stricter whereas others may be outside the bounds of the original material in selected parameters. ASTM A1031 Grade G43400. ASTM A1031 Grade 4340. ASTM A1031 Grade G43406. ASTM A1031 Grade E4340. ASTM A29 Grade 4340. ASTM, SAE and ISO Grade Markings for Steel Fasteners Hardnesses are Brinell Hardness Numbers. The nut manufacturer, at his option, may add other markings to indicate the use of atmospheric corrosion resistant steel. Specifications . ASTM A563 Carbon and Alloy Steel Nuts. ASTM A194/A194M Carbon and Alloy Steel Nuts for Bolts for High Pressure and High Temperature Service. Alloy Steel 4320 - Continental Steel & Tube CompanyAlloy Steel 4320, also known as AISI/SAE 4320, offers users high levels of strength and wear properties. This low carbon alloy has good weldability and forming characteristics in the annealed condition. Some of the popular applications in which you will find Alloy Steel 4230 include:Gears Pins Valves Castings Bearings Work holding components Machine tool 
Alloy Steel 4340 UNS# G43400 is a nickel-chromium-molybdenum alloy steel that demonstrates good toughness and good fatigue resistance. When heat treated, Alloy Steel 4340 maintains good wear resistance, good atmospheric corrosion resistance, and other similar traits. Grade 5 ium vs. Normalized SAE-AISI 4340 May 30, 2020 · Grade 5 titanium belongs to the titanium alloys classification, while normalized SAE-AISI 4340 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. For each property being compared, the top bar is grade 5 titanium and the bottom Grade Guide:AISI 4140 Steel Metal Supermarkets - Steel Jun 19, 2018 · AISI 4140 steel is a low alloy steel containing chromium, molybdenum, and manganese. It is widely used across numerous industries and is an excellent material choice due to its toughness, high fatigue strength, and abrasion and impact resistance. Not many grades can match the versatility and usefulness of 4140.
4340 alloy steel (also known as AISI 4340) is a low alloy steel with high toughness in an annealed state. 4340 alloy steel is characterized by its outstanding ductility, formability, and weldability rendering it an excellent metal for a variety of structural applications and components including power transmission gears and shafts, aircraft parts, and machinery. 4340 steel is mainly iron based, with nickel being the SAE 4340 - Equivalent MaterialsEquivalent Materials to SAE 4340. Download equivalents as an Excel file. Some equivalent materials may be stricter whereas others may be outside the bounds of the original material in selected parameters. ASTM A1031 Grade G43400. ASTM A1031 Grade 4340. ASTM A1031 Grade G43406. ASTM A1031 Grade E4340. ASTM A29 Grade 4340. SAE 4340 Alloy Steel Round Bar 34CrNiMo6 Bar ssroundbarSAE 4340 Alloy Steel Round Bar is very resistant to corrosion and is used for this purpose in industry, SAE 4340 Alloy Steel Round Bar is widely used for plating steel components. SAE 4340 Alloy Steel Round Bar is a most useful material but it is very expensive
AISI 4340 steel (UNS G43400) is an ultra-high strength medium carbon low alloy steel, which combines deep hardenability, high ductility, toughness and strength, and Grade 4140/4142 Steel McMaster-CarrChoose from over 550 grade 4140/4142 steel products in a wide range of sizes. Includes material certificates and CAD models. In stock and ready to ship.