Aisi 4 used in oil and gas industry and large machinery structural. Aisi 4 chemical composition, aisi, aisi 4, aisi 4140, aisi 4, aisi 420, aisi 410, aisi. Characterization of case hardened aisi 4 steel using eddy current testing. An analysis of the mechanical behavior of aisi 4 steel. Sae aisi 4 steel is an alloy steel formulated for primary forming into wrought products. Heat treatment after forging is carried out to render the steel suitable for machining, and to meet the mechanical property limits specified for the steels particular. Aisi 4140 alloy steel is a chromium, molybdenum, and manganesecontaining low alloy steel.
This page cover the aisi 4 chemical element, mechanical properties, aisi 4 datasheet, cross reference of aisi 4 steel, mainly used for. Pdf characterization of case hardened aisi 4 steel. Alloy steel aisi 4 bars manufacturers, aisi 4 steel round bars supplier, uns g40 bright bars, aisi 4 rods exporter in india aisi 4 hexagonal bars, aisi 4 forged bars, aisi 4 square bars, aisi werkstoff nr. Aisi 4 steel is a medium carbon, low alloy steel in astm a29 standard. These products have been generally used where deep drawing and forming are required. Specialties as hot cold deformed nonmagnetic steels play a major role in the detection of new oil and gas sources. This article details the properties of aisi 4 alloy steel uns g40.
Sae aisi 4 chromoly steel, alloy material properties, chemical composition. With a lower carbon content range aisi 4 provides better. Tempering of aisi 4 steel can be performed at 399 to 566c 750 to 1050f, depending on the desired strength level. Aisi 4 steel grades, properties and global standards. Aisi 4 is not weldable in a refinery but is weldable in oil production. Melt source denotes actual mill where iron was smelted. Calculators forum magazines search members membership login metal alloys. Specification authority describes the organization that created the specification aisi is the american iron and steel institute. Aisi 4140 alloy steel aisi 4140 steel stockholders and suppliers, delivering to the whole of the uk. Aisi 1018 mildlow carbon steel aisi 1018 mildlow carbon steel has excellent weldability and produces a uniform and harder case and it is considered as the best steel for carburized parts. Heat number the special lot or melt from which the product was produced. Sae aisi 4 chromoly steel, alloy material properties.
Aisi 45 alloy steel is a high quality quenched and tempered alloy structural steel, it belong to the high quality low carbon, oil. The properties of sae aisi 4 steel include four common variations. Welding of aisi 4 metal and metallurgy engineering. Aisi 4 is a low alloy steel containing molybdenum and chromium as strengthening. Ams 6345, ams 6348, ams 6350, ams 6351, ams 6360, ams 6361,ams 6362, ams 6370, ams 6528, astm a29, astm a322, astm a331, astm a506, astm a507, astm a5, astm a519, astm a646, astm a752, astm a829, mils18729, mils6758 aisi 4 is a low alloy steel containing molybdenum and chromium as strengthening agents. Datasheet for steel grades carbon steel aisi 4 aisi 4 standard. Sae aisi 4140 steel properties, material heat treatment. Some of the major applications of aisi 4 alloy steel are in aircraft engine mounts and welded tubing. The hardenability and weldability of alloy 4 are considered equivalent to 8630 mils6250. Results are displayed up to a maximum of 200 materials per page. In fact, low alloy carbon steel aisi 4 is a heat treatable steel, which is used in several industries i. Aisi 4140 is a chromium molybdenum alloy steel specification widely used in the oil and gas industry. Aisi or sae 4 grade is a lowalloy steel containing chromium and molybdenum as strengthening agents.
Follow the links below to view complete property information. Aisi 4 alloy steel aisi 4 steel stockholders and suppliers, delivering to the whole of the uk. This page displays only the text of a material data sheet. Alloy 4 is a widely used aircraft steel due to its weldability, ease of fabrication and mild hardenability. The mechanical properties of low carbon steel sheets subjected to laser surface hardening were investigated by syed et al. It also contains the use of aisi 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application. Grade specifically refers to chemical content and physical properties. To see matwebs complete data sheet for this material including material property data, metal compositions, material suppliers, etc, please click the button below. Aisi sae 4140 alloy steel is a chromium molybdenum alloy steel specification widely used in general purpose high tensile steel for components, like axles, shafts, bolts, gears and other applications.
Similar to grade aisi 4 but with a slightly higher carbon content. Hardening of aisi 4 steel can be done with cold working or heat treatment. Ideal for general use when welding and moderate tensile properties are required. Mechanical, chemical thermal and electrical characteristics. The crmo low alloy steels are one of the most important grades. Our 4 alloy steel carries the term aircraft quality aq which means it is generally acceptable for use in aircraft parts, but still subject to. Chemical composition of aisi 4 alloy steel material.
Aisi 1018 mildlow carbon steel offers a good balance of toughness, strength and ductility. Mechanical properties and fracture behavior of intercritically annealed aisi 4 chromoly steel article in materials research express 56. Similar to alloy grade aisi 4 chrome moly alloy steel but with a slightly higher carbon. Aisi 4 steel is a medium carbon low alloy steel containing 0. Otai special steel is 45 alloy steel stockholders and suppliers from china. It is supplied as round bar commonly in the hardened and tempered condition with a hardness of 1822 hrc. Aisi 4 is a low alloy csteel containing chromium and molybdenum as strengthening agents. This includes the low and high alloyed engineering steels, ferritic and martensitic as well as high alloyed austenitic and duplex stainless steels. All about 4 steel properties, strength, and uses thomasnet. Yag laser surface transformation hardening of aisi 4 is used for areas that require a. Among them, aisi 4 steel with improved weldability compared with aisi 4140 is a viable candidate. Aries alloys is a leading distributor of aisi 4 aircraft fastening hardware for commercial and military aerospace applications.
These grades have a high fatigue strength and are also abrasion and impact resistant. Aisi 4 chromoly steel uns g40 aisi 4 steel uns g40, also known as 4 chromoly steel, is a chromemolybdenum series low alloy steel with high strength, toughness and hardenability, usually used in quenched and tempered condition. All about the properties, strength, and applications of 4 steel. The higher carbon content of aisi 4140 gives greater strength and heat. This page cover the aisi 4 chemical element, mechanical properties, aisi 4. Sae aisi 4340 steel properties, heat treatment, equivalent, hardness chart, density, us astm aisi and sae standards. Mechanical properties and hardenability emj metals. The search phrase you entered, 4, is common to 47 materials, by searching on the terms 4 in most common text fields. Type 4 steel should be forged between 2250 and 1750. It has low carbon content, and hence it can be welded easily. The steel has good strength and toughness, weldability and machinability. Alloy 4 is also vacuum degassed to meet the magnetic particle inspection standards of ams 2301. Aisi 4 is a chromium molybdenum alloy steel specification.
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