Moreover, it is not recommended to hard it to hardess hight than 320 hb. Aisi 4 is supplied as round bar in the hardened and tempered condition to 1822hrc range. Pdf fracture behaviour of copper strengthened hsla steel. The graph bars on the material properties cards below compare annealed saeaisi 4 to. It has the highest ductility compared to the other variants of sae aisi 4 steel. A wide variety of 4 material options are available to you, such as pvc, pe. It has low carbon content, and can be welded easily. Aisi 4 steel, annealed at 865c 1590f 1585f, furnaced cooled 11c 20fhour to 680c 1255f, air cooled, 25 mm 1 in. Typical mechanical properties tensile strength nmm. Astm 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel, containing nominally 0. A very common general purpose grade of medium carbon, crmo steel. These steels are more responsive to mechanical and heat treatments than carbon steels.
When joined with a failure criterion, simulations can predict plastic stressstrain behavior and eventual fracture of the material. Sae aisi 4 chromoly steel, alloy material properties. Quantity 520 kg, bar d15 180mm material specifications. A toroid sample was prepared from six rings machined from an 0. The graph bars on the material properties cards below compare normalized sae aisi 4 to. It is very popular for welding applications and is often used in the normalized condition without further heat treatment. Its popularity is primarily due to its weldability, hardenability, and machinability. Annealed saeaisi 4 is saeaisi 4 steel in the annealed condition. Metallurgical relaxation of the 4 microstructure could compromise mechanical properties. Physical properties mechanical properties thermal properties other designations introduction. The following datasheet provides details about aisi. The search phrase you entered, 4, is common to 47 materials, by searching on the term s 4 in most common text fields.
The exact composition range is defined in the standard sae j404 affil. Heat treatment comprises normalizing at 1650f1700f followed by soak at 1600f and oil quench. Alloy 4 is a quench hardenable low alloy chromiummolybdenum medium carbon steel. Alloy steel sae aisi 4 is a medium carbon, low alloy steel containing 0. How can i add aisi 4 to engineering database of ansys.
An analysis of the mechanical behavior of aisi 4 steel. Aisi sae 4 alloy steel can be made into steel plate, steel sheet, round and flat steel bar, steel pipe and tube, etc. Aisi 4 alloy steel aisi 4 steel stockholders and suppliers, delivering to the whole of the uk. Aisi 4 alloy steel contains chromium and molybdenum as strengthening agents.
Cytec cycom 53201 t650 3kpw fabric qualification material property data report. Normalized saeaisi 4 is saeaisi 4 steel in the normalized condition. Forged of aisi 4 oil and gas industry steel material metal forged aisi 4 steel at 11501200. The graph bars on the material properties cards below compare normalized saeaisi 4 to. Welding 4 alloy is noted for its weldability by all of the commercial methods. It has the highest ductility compared to the other variants of saeaisi 4 steel. Aisi 4 is a chromiummolybdenum steel that is in general aviation use due to its well established heattreating practices and processing techniques. While other steels can exceed its mechanical properties, 1018 steel is more easily manufactured and machined, reducing its cost.
The recent change in material from 4n, to 4 with some level of additional heat treating to increase its yield, is undoubtedly in the wrong direction. It is supplied as round bar commonly in the hardened and tempered condition with a hardness of 1822 hrc. It shows good overall combinations of strength, toughness and fatigue strength. This work documents ac magnetic properties and some aging information on a 4 steel. Heat treatment heating at 1600 f followed by an oil quench will harden the 4 alloy.
This material can be supplied to aisi steel tandards principal design features aisi 4 is a low alloy steel containing molybdenum and chromium as strengthening agents. Sae aisi wrought steels top, all iron alloys middle, and the entire database bottom. To see matwebs complete data sheet for this material including material property data, metal compositions, material suppliers, etc, please click the button below. If, for any reason 4 modified is exposed to a temperature higher than 550c 1020f delivery mechanical properties can be affected. More importantly i will be running a huge vmc with a 50 hp spindle motor and obviously that will affect the feedsspeeds compared to a small vmc.
Historically, welded steel tubular structures for aircraft and race cars have used 4 in the normalized condition for their structure. Steel saw cutting catalog including thickness,item name,description,estimated weight per sq. Nov 04, 2015 alloy 4 is a quench hardenable low alloy chromiummolybdenum medium carbon steel. Furthermore, mechanical and physical properties as well as the corrosion resistance properties. Evaluation of flow and failure properties of treated 4. Very good stability against chloric media and nonoxidizing acids. Datasheet for steel grades carbon steel aisi 4 aisi 4 standard. Aisi 9xxx for other aisi or non aisi, please use the search function above or check grades. With a lower carbon content range aisi 4 provides better. Modulus of elasticity, 205 gpa, 29700 ksi, typical for steel. Aisi 4140 is a chromiummolybdenum steel that can be heat treated to higher strength levels or in thicker sections than aisi 4.
Apr 27, 2016 in numerical modeling of material behavior, deformation is calculated with analytical constitutive equations. It has the lowest strength compared to the other variants of saeaisi 4 steel. This article details the properties of aisi 4 alloy steel uns g40. Pdf on the microstructural evolution of 4 steel during. Effect of heat treatment of preform on the mechanical. Aisi 4 alloy steel is a medium carbon, low alloy steel in astm a29 standard. The greatest stress that a material can endure without taking up some permanent set is called elastic limit point a. We will first explore the physical properties of 4 steel, followed by its mechanical properties and finally its applications. On the microstructural evolution of 4 steel during hot compression article pdf available in recent patents on materials science 51. They have an excellent strength to weight ratio and are considerably. Aisi 9xxx for other aisi or nonaisi, please use the search function above or check grades. Known for its good mix of strength, ductility and hardness, 1018 steel is a mild, lowcarbon steel. Saeaisi wrought steels top, all iron alloys middle, and the entire database bottom.
The air force institute of technology afit uses the johnsoncook empirical constitutive equation and damage criterion to model high speed wear. It has the lowest strength compared to the other variants of sae aisi 4 steel. While other steels can exceed its mechanical properties, 1018 steel is more easily manufactured and machined, reducing its. The maximum permeability at induction of 15,000 g are also listed for 60, 400, and 1200 hz. Aisi 4 is suitable for a variety of applications in the oil and gas sector. As one of leading supplier of 4 steel alloy material, otai is reliable in 4 round bar and steel plate materials. Alloying elements include chromium and molybdenum, and as a result these materials are often informally referred to as chromoly steel common variant stylings include chromemoly, cromoly, crmo, crmo, crmoly, and similar.
It is similar to 4140 steel which has a higher carbon level 0. 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. The characteristic magnetic properties of the 4 steel are listed in the table 1 for exposure to alternating magnetic fields, with peak field strengths of 111 and 112 oe. Aisi 45 has a slightly higher carbon version of aisi 4. Browse 4 aircraft cold rolled condition n normalized oiled alloy sheets in the fay industries, inc. This type of steel is also commonly referred to as a chromoly steel, or chromemoly steel. Variation of hardness in hsla steel with ageing temperature 7. This page displays only the text of a material data sheet. Aisi 4 steel, normalized at 870c 1600f subcategory. In corrosive environment the alloy should be given a protective coating. Annealed sae aisi 4 is sae aisi 4 steel in the annealed condition. Normalized sae aisi 4 is sae aisi 4 steel in the normalized condition.
This alloy of steel has a small percentage of manganese to help achieve these properties. We need to create if you want aisi 4 specifically or you can use the default materials database present in ansys which are almost similar to aisi 4. Power frequency magnetic properties and aging of 4. All about the properties, strength, and applications of 4 steel. The chemical composition of aisi 4 alloy steel is listed in the following table. They studied the mechanical properties, surface hardness, tribological properties, and microstructure of highpower diode laser treated. Aisi 4 is a chromium molybdenum alloy steel specification. These steels are more responsive to mechanical and heat treatments than carbon. If your material is not listed, please refer to our search help page for assistance. The effect of cold work on mechanical properties of flow formed part for a given reduction in area ra is. All about 4 steel properties, strength, and uses thomasnet. Aisisae 4 steel grade is a versatile alloy with good atmospheric corrosion resistance and reasonable strength up to around 315. Effect of heat treatment of preform on the mechanical properties of.