Pdf characterization of case hardened aisi 4 steel using. Aisi 4 steel held on stock and delivered throughout the uk. The tensile testing was in accordance with astm e 8m standard, see fig. The chemical composition for the aisi 4 steel is shown in table 1 and fig. Aisi series 43xx, 47xx, 86xx, and 88xx x vanadium microalloy steels 10v45, 11v41 x boron treated steels x structural grades astm a36 and a572 grade 50. The source standarts should always be checked for the. Sunflex metal industries is one of the most competitive suppliers of aisi 4 round bar from india. Aisi 4 alloy steel contains chromium and molybdenum as strengthening agents. In this paper eddy current testing response is analyzed for the aisi 4 samples to determine the mechanical properties of the material. Aisi 4 alloy steel is a medium carbon, low alloy steel in astm a29 standard. Aisi 4 steel, normalized at 870c 1600f subcategory. Similar to grade aisi 4 but with a slightly higher carbon content. Aisi 4140 alloy steel aisi 4140 steel stockholders and suppliers, delivering to the whole of the uk.
A234 aisi 4 forgings a105 a350 grade lf2 a694 grade f52 a182 grade f316 a182 grade f51 a182 uns s32550, f53 uns s32750, f55 uns s32760 a182 grade f44, uns n08367, uns n08925, uns n08926uns c 70600. It is supplied as round bar commonly in the hardened and tempered condition with a hardness of 1822 hrc. Global leader of astm a519 grade 4 aisi 4 sae4 seamless tubing astm a519 a519m asme sa519 sa519m gr. Aisi sae 4 alloy steel can be made into steel plate, steel sheet, round and flat steel bar, steel pipe and tube, etc. Welds exhibit high strength in the as welded condition and have adequate ductility i.
Aisi 4 steel delivered nationwide by west yorkshire steel co ltd. An analysis of the mechanical behavior of aisi 4 steel after tig and laser welding process. Bar data handbook aisisae chemical compositions and metallurgical data. The hardenability limitations of this grade depth to which it will harden. The american iron and steel institute committee on framing standards has developed aisi s220, the north american standard for coldformed steel framing nonstructural members, to address requirements for construction with nonstructural members made from coldformed steel. Laser focal height lfh, pulse width lpw, scanning speed lss, and power lp varied during the experiments.
Alloy steel sae aisi 4 is a medium carbon, low alloy steel containing 0. Alloy steel saeaisi 4 is a medium carbon, low alloy steel containing 0. Astm 4 chemical composition, astm 4 mechanical properties, heat treatment, astm 4 datasheets, astm 4 supplier tcpdf created date 572020 5. With a lower carbon content range aisi 4 provides better. Astm 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel, containing nominally 0. Aisi 1018 mildlow carbon steel after being heated is moistened in oil or water. Applications of aisi 1018 mildlow carbon steel it is used in bending, crimping and swaging processes. Aisi 4140 is a chromium molybdenum alloy steel specification widely used in the oil and gas industry. The chemical composition of aisi 4 alloy steel is listed in the following table. Chrome alloy steels, such as 4, 4140, and 4340 are so named because. Such a steel is identified by inserting the letter l between the second and third numeral of the aisi number. Sunflex metal industries maintains a stock of all standard items and can export. It is similar to 4140 steel which has a higher carbon level 0.
Aisi 4 is a low alloy steel containing molybdenum and chromium as strengthening agents. Bars are heat treated to designation 75k and are charpy vnotch impact tested to classification k. Midalloy er4 is used to weld very high strength low alloy steels as well as tool steels like aisi 4, 4140, 4150 and 4340. It has low carbon content, and can be welded easily. Sae aisi 4 chromoly steel, alloy material properties. Saeaisi 4 steel is an alloy steel formulated for primary forming into wrought products. Pdf an analysis of the mechanical behavior of aisi 4. 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. This alloy is used to weld aisisae 4 and 8630 and other heattreatable alloys or base metals needing flame hardening. It is similar to 4140 which has a higher carbon level giving 4 improved weldability, at the expense of through thickness strength. Laser surface transformation hardening lsth of aisi 4 was investigated by a nd. Aisi 4 is not weldable in a refinery but is weldable in oil production. Standard steel designations silicon ranges or limits up to 1015 excl.
We stock all aisi 4 pipes, 4 tubing, 4 flanges, 4 pipes fittings, 4 elbow etc. Typical applications for 4 low alloy steel include. Aisi 4140 is a 1% crmo through hardening steel, used particularly where strength and impact toughness is required. As al has perfectly explained, aisi standards aisi is the american institute of steel and iron simply states the chemical composition of a certain steel identified by a number.
The properties of saeaisi 4 steel include four common variations. Aisi 4 steel is a medium carbon low alloy steel from this category with an intermediate strength, where some typical applications are in automotive industries, aircrafts, machine tools. Our tubing is manufactured to milt6736b, amst6736, astm a519, and ams 6360 specifications. Aisi 4 steel is a alloy structural steel belong to astm a29a29m steel grade standard. The microstructure of the treated zone was characterized by optical om and field emission scanning electron microscopy fesem. Norsok standard material data sheets for piping m630 rev. When possible, testing was baselined against conventional quench and tempered material. Stocks also conform to nace standard mroi 75 with a maximum hardness of hrc22hb235.
When lead is required as an added element to a standard steel, a range of 0. When silicon is required, the following ranges and limits are commonly used. Aisi 4 is a chromium molybdenum alloy steel specification. The american iron and steel institute aisi committee on framing standards cofs has developed this 2004 supplement to the standard for coldformed steel framing prescriptive method for one and two family dwellings supplement to. Manufacturability tests demonstrated that flash bainite plate is weldable and bendable, and that welded plate can subsequently be flash processed to restore strength. An analysis of the mechanical behavior of aisi 4 steel. Aisi 4 used in oil and gas industry and large machinery structural. 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 dme steel is available in standard and custom widths, lengths and thicknesses, in rgm or finish ground dme steel plates dmeno. As the market leader in seamless 4 tubing, tw metals delivers a full range of rounds, squares, rectangles, and streamline products. Preheat and interpass recommended and may also need followed by post heat treating. The higher carbon content of aisi 4140 gives greater strength and heat. Please click on the request a quote button or click here to request the updated price list and ready stock information along with your requirement. We stock this quality of e4 to meet the regulations of api spec.
Tws cold drawn seamless chromoly 4 tubing is a lighter weight, higher strength alternative to carbon steel. Aisi 4 steel is a medium carbon, low alloy steel in astm a29 standard. American standards covering pipe materials are astm, asme section ii, api, awwa. This page is mainly introduced the aisi 4 datasheet, including chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and micro structure, etc.
It is generally supplied in the hardened and tempered condition, especially in the oil and gas sector to achieve ultimate tensile strengths in excess of 100ksi 690 mpa, moderate impact toughness 42j is maintained at. Aisi 4 alloy steel aisi 4 steel stockholders and suppliers, delivering to the whole of the uk. This type of steel is also commonly referred to as a chromoly steel, or chromemoly steel. The aisi 4 steel had been also considered, since it is applied in landing gears. Welding of aisi 4 metal and metallurgy engineering. Our prices for aisi 4 round bar are very competitive. Aisi 4 pipes 4 alloy steel pipes exporter from mumbai. 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.
152 1650 205 828 405 614 135 1594 26 126 352 642 711 1467 82 479 1459 1525 730 1636 33 720 394 1280 591 1470 670 1013 899 1031 434 744