Aisi 4 is not weldable in a refinery but is weldable in oil production. Aisi 4 is a low alloy steel containing molybdenum and chromium as strengthening. Grade specifically refers to chemical content and physical properties. The properties of sae aisi 4 steel include four common variations. It is supplied as round bar commonly in the hardened and tempered condition with a hardness of 1822 hrc. Sae aisi 4 chromoly steel, alloy material properties, chemical composition. Type 4 steel should be forged between 2250 and 1750. Aisi 4140 is a chromium molybdenum alloy steel specification widely used in the oil and gas industry.
Sae aisi 4 steel is an alloy steel formulated for primary forming into wrought products. Hardening of aisi 4 steel can be done with cold working or heat treatment. Chemical composition of aisi 4 alloy steel material. Aisi 4140 alloy steel aisi 4140 steel stockholders and suppliers, delivering to the whole of the uk. This page cover the aisi 4 chemical element, mechanical properties, aisi 4 datasheet, cross reference of aisi 4 steel, mainly used for. Melt source denotes actual mill where iron was smelted. Aries alloys is a leading distributor of aisi 4 aircraft fastening hardware for commercial and military aerospace applications. Welding of aisi 4 metal and metallurgy engineering. Some of the major applications of aisi 4 alloy steel are in aircraft engine mounts and welded tubing.
These products have been generally used where deep drawing and forming are required. Heat number the special lot or melt from which the product was produced. Mechanical properties and fracture behavior of intercritically annealed aisi 4 chromoly steel article in materials research express 56. Aisi 4 alloy steel aisi 4 steel stockholders and suppliers, delivering to the whole of the uk. Aisi 4 used in oil and gas industry and large machinery structural.
Aisi or sae 4 grade is a lowalloy steel containing chromium and molybdenum as strengthening agents. Aisi 4 steel grades, properties and global standards. Sae aisi 4 chromoly steel, alloy material properties. Pdf characterization of case hardened aisi 4 steel. Specialties as hot cold deformed nonmagnetic steels play a major role in the detection of new oil and gas sources. Datasheet for steel grades carbon steel aisi 4 aisi 4 standard. The search phrase you entered, 4, is common to 47 materials, by searching on the terms 4 in most common text fields. This page displays only the text of a material data sheet. Yag laser surface transformation hardening of aisi 4 is used for areas that require a. Mechanical, chemical thermal and electrical characteristics. Alloy 4 is also vacuum degassed to meet the magnetic particle inspection standards of ams 2301.
These grades have a high fatigue strength and are also abrasion and impact resistant. 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. Characterization of case hardened aisi 4 steel using eddy current testing. Results are displayed up to a maximum of 200 materials per page. Similar to grade aisi 4 but with a slightly higher carbon content. 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. Sae aisi 4340 steel properties, heat treatment, equivalent, hardness chart, density, us astm aisi and sae standards. Ideal for general use when welding and moderate tensile properties are required. Similar to alloy grade aisi 4 chrome moly alloy steel but with a slightly higher carbon. In fact, low alloy carbon steel aisi 4 is a heat treatable steel, which is used in several industries i. The crmo low alloy steels are one of the most important grades. 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. All about 4 steel properties, strength, and uses thomasnet.
Aisi 4 is a chromium molybdenum alloy steel specification. 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. 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. This includes the low and high alloyed engineering steels, ferritic and martensitic as well as high alloyed austenitic and duplex stainless steels. 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. Mechanical properties and hardenability emj metals. This page cover the aisi 4 chemical element, mechanical properties, aisi 4. All about the properties, strength, and applications of 4 steel. Among them, aisi 4 steel with improved weldability compared with aisi 4140 is a viable candidate. The mechanical properties of low carbon steel sheets subjected to laser surface hardening were investigated by syed et al. The steel has good strength and toughness, weldability and machinability.
Aisi 1018 mildlow carbon steel offers a good balance of toughness, strength and ductility. Aisi 4 chemical composition, aisi, aisi 4, aisi 4140, aisi 4, aisi 420, aisi 410, aisi. 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. Follow the links below to view complete property information. Aisi 4 is a low alloy csteel containing chromium and molybdenum as strengthening agents. To see matwebs complete data sheet for this material including material property data, metal compositions, material suppliers, etc, please click the button below. Aisi 4 steel is a medium carbon, low alloy steel in astm a29 standard. Aisi 4140 steel bar, steel plate, flats supplier, stockist and exporter. This article details the properties of aisi 4 alloy steel uns g40. An analysis of the mechanical behavior of aisi 4 steel.
Alloy 4 is a widely used aircraft steel due to its weldability, ease of fabrication and mild hardenability. Aisi 45 alloy steel is a high quality quenched and tempered alloy structural steel, it belong to the high quality low carbon, oil. Otai special steel is 45 alloy steel stockholders and suppliers from china. Specification authority describes the organization that created the specification aisi is the american iron and steel institute. Aisi 4140 alloy steel is a chromium, molybdenum, and manganesecontaining low alloy steel. It has low carbon content, and hence it can be welded easily. 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.
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