A519 4 pipe american piping products stocks a5194 pipe in the following grades. Pdf characterization of case hardened aisi 4 steel. American iron and steel institute aisi 1140 connecticut ave. If your material is not listed, please refer to our search help page for assistance. Characterization of case hardened aisi 4 steel using eddy current testing. The standard is also acceptable in the manufacture of piping read more. This type of steel is also commonly referred to as a chromoly steel, or chromemoly steel. It has low carbon content, and can be welded easily. Aisi or sae 4 grade is a lowalloy steel containing chromium and molybdenum as strengthening agents. Datasheet for steel grades carbon steel aisi 4 aisi 4 standard. After the melting process, the molten steel is transferred to a ladle refiner for alloy adjustments and vacuum degassing. Aisi 4 steel delivered nationwide by west yorkshire steel co ltd. Other materials exhibit stressstrain curves considerably different from carbonsteel although still highly nonlinear. An analysis of the mechanical behavior of aisi 4 steel.
Aisi 4 alloy steel is a medium carbon, low alloy steel in astm a29 standard. Cold working is possible and forming often takes place in the annealed condition. Its popularity is primarily due to its weldability, hardenability, and machinability. Broaching is also performed on arbor presses manual and. Properties with values for just one material 1, in this case are not shown. Evaluation of flow and failure properties of treated 4. Evaluation and correlation of dynamic flow, failure, and microstructural properties of heattreated 4 steel. P numbers include steels of similar chemical composition and mechanical properties, from which you can expect similar behavior. Aisi 4 used in oil and gas industry and large machinery structural.
The following datasheet provides details about aisi 45 alloy steel. Chrome alloy steels, such as 4, 4140, and 4340 are so named because chromium. On the microstructural evolution of 4 steel during hot compression. Pdf on the microstructural evolution of 4 steel during. Aisi 4 steel, water quenched 855c 1570f, 480c 900f. Evaluation and correlation of dynamic flow, failure, and microstructural properties of heattreated 4 steel by defense technical information center. A study has been made of the embrittlement of fully hardened 4 steel in lowpressure, properties, physical properties, mechanical properties, heat treatment, and micro structure, etc. Subject to availability of normalized sheet, annealed 4 sheet may be substituted. It is also known for its hardenability, strength and ductility. Click on the link to launch the file, or rightclick and choose save target as.
The astm a829 specification is the standard specification for alloy structural steel plates produced to chemical composition requirements and delivered in the asrolled green condition. Alloy steel 4, also referred to as chromoly steel and saeaisi 4, is a chromium and molybdenum alloy steel. Aisi 4 steel held on stock and delivered throughout the uk. The datasheet given below provides more details about aisi 4 alloy steel. For the mechanical properties of 4 steel, hardening behaviors until. Astm 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel, containing nominally 0. Average surface cutting speed is 120 feet per minute. These steels are more responsive to mechanical and heat treatments than carbon steels. A519 4 pipe american piping products steel pipe supply. Parts produced from the asrolled green plates are typically heat treated to obtained a combination of high strength and toughness. Aisi sae 4 alloy steel can be made into steel plate, steel sheet, round and flat steel bar, steel pipe and tube, etc. This melting and refining process path reduces levels of elements such as phosphorus. Aisi 4 is a low alloy steel containing molybdenum and chromium as strengthening agents.
Alloy steel 4 aisi sae 4 uns g 40 chromium molybdenum steel machinability 4 in the annealed condition has a machinability rating of 72% of aisi b1112. Other materials exhibit stressstrain curves considerably different from carbon steel although still highly nonlinear. The material of interest is 4 steel that has undergone a heat treatment. Sae aisi 4 chromoly steel, alloy material properties. Astm 4 can be supplied as steel plate sheet, round steel bar, steel tubepipe, steel stripe, steel billet, steel ingot, steel wire rods. It is similar to 4140 steel which has a higher carbon level 0. Aisi 4 alloy steel aisi 4 steel stockholders and suppliers, delivering to the whole of the uk. This page cover the astm 4 chemical element, mechanical properties, astm 4 datasheet, cross reference of astm 4 steel, mainly used for. Aisi 4 steel is a medium carbon, low alloy steel in astm a29 standard. These facilities allow for very low levels of impurities oxygen especially. It is supplied as round bar commonly in the hardened and tempered condition with a hardness of 1822 hrc. The chemical properties of 4 and 4140 steel are similar aside from differences in carbon and manganese concentrations. The hardness and tensile properties of the test material were characterized.
Known for its responsiveness to mechanical and heat treatments, alloy steel 4 is weldable by most commercially popular methods. Aisi 4 steel, annealed at 865c 1590f 1585f, furnaced cooled 11c 20fhour to 680c 1255f, air cooled, 25 mm 1 in. A very common general purpose grade of medium carbon, crmo steel. The openhearth, the basic oxygen, and the electricarc pro cesses account for nearly all the steel tonnage produced in this coun try today. 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 following are the mechnical properties for both normalized and annealed 4 and 4140 steel. Units of strain are inin for us customary and mm for s. Astm 4 steel grades, properties and global standards.
Please note that the two materials have significantly dissimilar densities. Datasheet for steel grades carbon steel astm 4 astm 4 standard. With a lower carbon content range aisi 4 provides better. It is one of the most used aircraft steels because of 4 s ease of manufacturing and weldability. Carbon and alloy steel bars and rods heat treating.
If additional abrasion and wear resistance are needed this material can be provided in a nitrided condition. It is commonly called aisi 4 chromiummolybdenum steel. Though this subject testing identified a few issues that need to be addressed, the flash bainite processing of 4 steel demonstrates promise for applications needing a combination of high strength with good elongation, ductility, and toughness e. Typical applications for 4 low alloy steel include. Chemical compositionthe chemical composition of aisi 4 alloy steel is listed in the following table.
Because this is currently a niche application, the magnetic properties of these steels are relatively undocumented. Pdf characterization of case hardened aisi 4 steel using. It is very popular for welding applications and is often used in the normalized condition without further heat treatment. Aisi 4 is a chromium molybdenum alloy steel specification. Weldability this grade may be welded by any of the common welding processes. The search phrase you entered, 4, is common to 47 materials, by searching on the term s 4 in most common text fields. The openhearth furnace was the nations major source of steel until 1969, when this role was assumed by the relatively new. By performing inert gas stirring under a nearperfect vacuum, impurities and harmful gases are removed.
Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier. This paper presents the magnetic hysteresis behavior of a quenched and tempered 4 steel at alternating frequencies up to 1200 hz and temperatures up to 100 c. When possible, testing was baselined against conventional quench and tempered material. There are 31 material properties with values for both materials. It has the lowest strength compared to the other variants of saeaisi 4 steel. I put the piece in the furnace at 1600 degrees for 2 hours the oven was preheated, then oil quenched, and anealed at 700 degrees for 1 12 hours. It also contains the use of astm 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application. Alloy steel saeaisi 4 is a medium carbon, low alloy steel containing 0. The chemical composition of aisi 4 alloy steel is listed in the following table. 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. Ive taken a look at the chemical composition of aisi 4 and astm a519 gr. For the mechanical properties of 4 steel, hardening behaviors until high strain rates. Embrittlement of 4 steel by lowpressure gaseous hydrogen.
Annealed saeaisi 4 is saeaisi 4 steel in the annealed condition. Aisi 4 steel, water quenched 855c 1570f, 480c 900f temper, 25 mm 1. Depending on the ambient conditions special high strength steels with. The observed mechanical properties including corrosionfatigue behavior are examined with consideration to different microstructural characteristics resulting from heat treatments to the steel. Less 10% discount on 6 sheets 18 x 36 or 3 sheets of 18 x 72 per part number. Aisi 4 steel had also been considered, since it is applied in landing gears, small aircrafts engine cradles, and also in the general industry 1, 3 5. Smn420 oil and gas industry steel aisi 4 steel is a alloy structural steel belong to astm a29a29m steel grade standard. Follow the links below to view complete property information. Metallurgical properties cleanliness a combination of processes with electric arc furnace and vod refining are used in the steel making. Saeaisi wrought steels top, all iron alloys middle, and the entire database bottom.
Welding procedures for the same p numbers are the same, or very close to each other. Power frequency magnetic properties and aging of 4 steel. The graph bars on the material properties cards below compare annealed saeaisi 4 to. Printer friendly version pdf download download as pdf excel download. This work focuses on the effect of upquenching experimentation on mechanical properties of sae 4 steel. Aisi 4 alloy steel contains chromium and molybdenum as strengthening agents.