A29a29m specification for general requirements for steel bars, carbon and alloy, hotwrought. Similar to alloy grade aisi 4 chrome moly alloy steel but with a slightly higher carbon. Cold working the alloy readily cold works in the annealed condition by conventional methods. When our phone rings with 4140 plate inquiries, many customers also tell us they are overwhelmed with supply chain complexity. A304 specification for carbon and alloy steel bars subject to endquench hardenability requirements. A32207 standard specification for steel bars, alloy. The astm publishing staffincluding kathy dernoga, roberta storer and margie lawlorwas most supportive of my requests to obtain access to the hundreds of standards needed to write this book and assistance with editing. They quickly respond to mechanical and heat treatments than the carbon steels. May 04, 20 astm a322 specification for steel bars, alloy, standard grades. The above values are average and may be considered as representative of 4140 hot rolled annealed. The following datasheet gives an overview of aisi 4140 alloy steel. Castle metals stocks a wide range of alloy 4140 plate distributed globally from our distribution centers in the u. As soon as the transaction is completed, your astm standards subscription will be ready for access.
For each property being compared, the top bar is astm a572 grade 50 and the bottom bar is normalized saeaisi 4140. The following table shows the chemical composition of aisi 4140 alloy steel. Astm a304 4340 h round bar,4340 h bearing steel,4340 h round. With many yeas production experience, strict control astm 11q chemical composition and astm 11q mechanical properties. Dynamics can maintain all astm tolerances for diameter, length, and straightness on all hot rolled products. Most astm and asme standards list the steel grades by their uns unified numbering system numbers but also make reference, where appropriate to the more general aisi american iron and steel institute grade designations. Heat number the special lot or melt from which the product was produced. Alloy steels are designated by aisi fourdigit numbers. Astma322 standard specification for steel bars, alloy. Astm 4140 chemical composition, mechanical properties, heat treatment, astm 4140 datasheets, astm 4140supplier. It sets the dimensions, tolerances and composition for the bolt. Astm a322 2018 standard specification for steel bars. B typical steel compositions used for this grade include 4140, 4142, 4145, 4140h, 4142h, and 4145h. Astm a322 grade g41210 chromium molybdenum steel matmatch.
Feb 06, 2010 is aisi 4140 carbon steel equivalent to a193 b7. Materials alloys copper alloy wrought uns c33000 materials alloys steel alloy steel aisi 4340h materials alloys steel alloy steel aisi 4145. Referenced astm standards the documents listed below are referenced within the subject standard but are not provided as part of the standard. A322 2018 standard specification for steel bars, alloy, standard grades cold drawing hotwrought steel bars steel bars structural components. Grade specifically refers to chemical content and physical properties. Yield strengths range from 110 ksi through 140 ksi, but we can temper it to other strength levels. The following bibliographic material is provided to assist you with your purchasing decision. Astma32291standardspecificationforsteelbarsalloystandardgrades 1. Carbon steels, alloyed steels, stainless steels, titanium and superalloys according to different standards following the main international standards, euskalforging manufactures seamless rolled rings in a broad range of steel grades, titanium and superalloys. Chemical compositions of aisi astm asme and uns austenitic stainless steel grades introduction aisi astm asme and uns. Figure 9 mechanical properties for 4140 and 4140hw the data represents a mechanical property comparison of several 4140 and 4140hw heats. B minimum asquenched hardness for obtaining desired hardness after tempering at 800 f 427 c or higher. Timkensteels 4140hw grade is a finegrained, lowalloy steel that offers optimum heattreat response in heavier crosssections.
Melt source denotes actual mill where iron was smelted. This is the book i never wanted to write, but always wanted to own. Sae aisi 4140 steel properties, material heat treatment. Aisi 4140 alloy steel is a chromium, molybdenum, and manganesecontaining low alloy steel.
They have a very high 99% of their average alloy composition in common. In many cases the manufacturer that uses astm steels will find that its not necessary for the weld to match the mechanical properties of the steel, and will therefore typically utilize low hydrogen, highly ductile e7018 e70s36 e71t1 electrodes. Unitedsteel round bar factory export astm a304 high carbon chromium round bar, the main steel grade is 30 h, 35 h, 40 h, 45 h, 4027 h, 4028 h, 4032 h, 4037 h, 4042 h, 4047 h, 4118 h, 4 h, 45 h, 47 h, 4140 h, 4142 h, 4145 h, 4147 h, 4150 h, 4161 h, 4320 h, 4340 h, e4340 h, 4419 h, 4620 h, 4621 h. Chemical analysis lists the content values of various elements expressed as a share of one percent ex. A number in parentheses indicates the year of last reapproval. 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. Astm a322 07 flanges, pipe fitting, steel pipe, heat exchanger and reducer, gasket, tee, pipe fitting, tube plate, have all specifications. About 12% of these are steel round bars, 1% are stainless steel bars, and 0% are steel rebars. Astm a322 specification for steel bars, alloy, standard grades.
A wide variety of astm a322 4140 steel round bar options are available to you, such as technique, type, and standard. This specification covers hotwrought alloy steel bars. Our client require round bar with std a331 lv gr 4140. Astm a304 4140 h round bar, 4140 h bearing steel, 4140 h. Bar applications include forging, heat treating, cold drawing, machining and many structural components note 1. As a metallurgical engineer and long time user of steel standards, author of the four casti metals data books, and member of astm a01 and b02 standard committees, i knew all too well the many pitfalls and challenges of writing such a handbook. The criteria for placing a steel composition in one of the three general class designations, classes p, q, and r described in section 4 are as follows. Access astm standards from any browser on your computer, tablet or smart phone. Astm a304 4140 h round bar,4140 h bearing steel,4140 h round. Speedy metals information for 4140 hot roll rounds annealed. Annealing annealing is done at 1600 f followed by slow furnace cooling. Sae 4140 aisi 4140 steel is a crmo series chrome molybdenum series low alloy steel, this material has high strength and hardenability, good toughness, small deformation during quenching, high creep strength and longlasting strength at high temperature.
Cda alloy round,alloy steel shaft r2144140, alloy 4140 steel round cold drawn annealed,14 inch, 1. The engineered bar products rolling mill metallurgical lab has the capability to provide the full spectrum of metallurgical testing including tensile, hardness, charpy impact, grain size, jominy, microcleanliness. Oct 16, 2007 this is a stud or bolt specification that is very common in industry for a high strength bolts made from aisi 4140 steel. The following table shows the chemical composition of aisi 4140 alloy. If you do want to purchase some products with above standard, kindly pls click here. Continuous casting steel is not recommended to be the material of balls. Carbon, alloyed and stainless steels, titanium and. Handbook of comparative handbook world steel standards. Astm a304 4140 h standard applies to manufacture of bearing ring steel pipe rolling elements made by highcarbon chromium bearing steel processed with hot rolled forged round, steel wire, cold rolled. They added valuable insights into the history and technical aspects of the astm standards data found in this handbook. Figure 10 jominy hardenability curve for 4140 and 4140hw the data represents an average of jominy results from several 4140 and 4140hw heats. See the chemical composition and physical properties of astm a322 grade g41210, find alternative materials, and connect with suppliers.
The primary melting may incorporate separate degassing or re. You find 4140hw in a variety of bar and tubing applications in quenched and tempered conditions. Grades equivalent standards,bearing steel,astm,en,din,jis. Not guaranteed as mechanical properties are not specified for this grade.
Bar data handbook aisisae chemical compositions and metallurgical data. Pre hardened and tempered 4140 can be further surface hardened by flame or induction hardening and by nitriding. Aisi 4140 steel bar, steel plate, flats supplier, stockist and exporter. G page 4 4140424550 uns g41400, g41420, g41450, g41500 41l4042, 41l50 leaded chromiummolybdenum steel bars and plates color marking 41404245. Easysteel special steel book january 2020 by fletcher steel issuu. The chemical composition of aisi 4145 alloy steel is outlined in the following table.
It is used in the oil, gas, refining and processing industries primarily for flange bolting. Astm a400 17 standard practice for steel bars, selection. Both astm a572 grade 50 and normalized saeaisi 4140 are iron alloys. Astm a304 4340 h round bar,4340 h bearing steel,4340 h round bar.
1242 672 1084 56 830 1060 607 942 1384 826 373 1138 1219 1298 1633 1498 918 133 34 1167 1067 1564 374 1335 296 60 374 1050 825 1188 1478 1326 820 1110 871 444 369 933 939 1294 1273 1377 1058 79 259