Equivalent grades alloy steel equivalent grades internal standard bs din is en saeaisi en18 530a40 37cr4 40cr1 en18 5140 en24 817m40 34crnimo6 40nicr4mo3 en24 4340 en19c 709m40 40cr4mo3 en19c 4140,4142 en19 709m40 42cr4mo2 40cr4mo3 en19 4140,4142 en18d 530a40 37cr4 40cr1 en18d 5140. The steel alloy of grade 8620 is also called nickelchromiummolybdenum steel. Pdf on nov 29, 2018, dorin ioan feldiorean and others published studies on the. Carburising steel, generally supplied as rolled to hb 255max. Alloy steel aisi 8620 fasteners, as aisi 8620 bolts, aisi. Aug 05, 20 sae 8620 is a low nickel chromium molybdenum case hardening carburising steel.
Boring and millung machines with horizontal spindle. Characterised by good core strength and toughness in small to medium sections with case hardness up to rc62 when carburized, hardened and tempered. This page is mainly introduced the sae 8620 datasheet, including chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and micro structure, etc. Table of steel equivalent grades en, saeaisi, uns, din, bs. A wide variety of sae 8620 steel options are available to you, such as technique, grade, and standard. See the chemical composition and physical properties of sae 8620h, find alternative materials, and connect with suppliers. Heat treatment quenching, hardening, and other thermal modifications p. Sae ams 6277h2016 sae ams6277h2016 steel, bars, forgings, and tubing 0. This specification is for information purposes only. Astm a534 grade 8620h nickel chromium molybdenum steel. Aisi 8620 steel is a low alloy nickel, chromium, molybdenum case hardening steel. Sae 8620 is suited for applications which require a combination of toughness and wear resistance.
This alloy may be used in the production of mediumstrength parts such as forged camshafts, fasteners and gears. Chemical content identification factors and composition standards p. Aisi 8620 steel has a higher core strength than grades 8615 and 8617. In this study, aisi 8620 steel was boronized using the solid state boronizing technique. Secure pdf files include digital rights management drm software. Sae 8620 can be supplied as steel plate sheet, round steel bar, steel tubepipe, steel stripe, steel billet, steel ingot, steel wire rods. Carburizing steels for case hardening usually have basecarbon contents of approximately 0. Sae j1249former sae standard and former sae exsteels sae aerospace material specifications ams index 2.
Devices for use in defining and measuring vehicle seating accomodation 49 cfr 571. Defining and measuring vehicle seating accommodation author. In the carburized condition this alloy is used for gears, ring gears, shafts and crankshafts. Sae 8620 is a low nickel chromium molybdenum case hardening carburising steel. Can be supplied in h condition with controlled hardenability. Fatigue properties of casecarburized sae 8620 posted on october 16, 2012 by steel market development institute in recent postings, the straincontrolled fatigue properties of the highhardness case and the lowerhardness core of carburized lowalloy steels were compared.
Saeaisi 8620 steel is an alloy steel formulated for primary forming into wrought products. Usaloy 8620usen 8620 carbon low alloy steel colour. Saeams6277h2016ams6277hsteel, bars, forgings, and tubing 0. These steels are more responsive to mechanical and heat treatments than carbon steels. Aisi 8620 alloy steel is a common, carburizing alloy steel. Aisi 8620 is a hardenable chromium, molybdenum, nickel low alloy steel often used for carburizing to develop a casehardened part. It is a sturdy alloy, largely composed of carbon, with many uses in the manufacturing trades. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier. It also contains the use of sae 8620,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Sae steel 8620 offers high external strength and good internal strength, making it highly wear resistant. Grade alloy 8620, e8620 aircraft quality ams 6274, e8620 bearing quality astm a534, aisi 8620, uns g86200 castle metals stocks a wide range of alloy 8620 in bar, tube, and plate. We welcome export enquiries for 8620 case hardening steel. We can help you find a supplier of astm a534 grade 8620h. The sn curves for the falicon crank base material aisi 8620 is given in 20 and implemented in fedem based on the dnvgl rpc203 standard 21. Aisi 9xxx for other aisi or nonaisi, please use the search function above or check grades. Table of steel equivalent grades en, saeaisi, uns, din. Sae aisi 8620 steel is an alloy steel formulated for primary forming into wrought products. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Carburised and heat treated it develops a hard wear resistant. We will evaluate your request and get back to you soon. For more design assistance contact our plant or consult the machinery handbook, published by industrial press inc.
Effect of case depth on fatigue performance of aisi 8620. Sae 8620 steel specification and relevant standards. Carburised 8620 gives a hard case with a strong core whilst retaining a remarkable degree of toughness. Case hardening steel bar 8620h atlas 8620h atlas steels. The following datasheet will provide more details about aisi 8620 alloy steel. Sae 8620h nickel chromium molybdenum steel matmatch. This grade is commonly supplied in round bar also conforming to the aisi 8620 standard. Arbors, bearings, bushings, cam shafts, differential pinions, guide pins, king pins, pistons pins, gears, splined shafts, ratchets, sleeves and other applications where it is helpful to have a steel that can be readily machined. Sae 8620 alloy case hardening steel engineering steel supplier. See the chemical composition and physical properties of astm a534 grade 8620h, find alternative materials, and connect with suppliers. The case hardening depth is according to the standard 3, the. Otai special steel is 8620 alloy steel stockholders and. It also i s excellent for revealing the diffusioncontrolled products ferrite, pearlite, and bainite, as well as the.
The alloy shows good strength and toughness properties, and has a higher core strength than grades 8615 and 8617. Note that materials compared are the nearest available grade and may have slight variations in actual chemistry. The following table shows the chemical composition of aisi 8620 alloy steel. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard. The properties of sae aisi 8620 steel include three common variations. Defining and measuring vehicle seating accommodation. Sae 8620 round bar sae 8620 flat bar sae 8620 hollow bar sae 8620 tube pipe sae 8620 sheet plate sae 8620 strip coil sae 8620 wire sae 8620 forging sae 8620 tube.
Properly hardened and formed, it can be used to make hardwearing machine parts. Atlas 8620h complies with as1444 grade 8620h andor astm a29 grade 8620. The bending fatigue strength of the gas carburized specimens was found to be dependent upon their case depth. And u nlike picral, it will reveal the structure of asquenched martensite. Aisi 8620 steel is a low alloy nickel, chromium, molybdenum case hardening steel, generally supplied in the as rolled condition with a maximum hardness hb 255max. It behaves much like nital but is more uniform in its action. It can have the highest ductility among the sae aisi wrought steels in the database. Alloy steel 8620 is a casehardening steel containing nickel, chromium and molybdenum as alloying elements. Strict analytical limits provide controlled response from heat to heat, making it an ideal selection for production case hardened parts, where consistency in heat treatment is required. Table of steel equivalent grades en, saeaisi, uns, din, bs, uni, jis the table below compares steel equivalent grades of materials from various international specifications.
Aisi 8620 alloy structural steel properties is a nickel chromium molybdenum alloy steel specification. Astm a29 8620 8620h is a low nickel chromium molybdenum case hardening steel. This alloy steel is flexible during hardening treatments, thus enabling improvement of casecore properties. Microstructure and mechanical properties of aisi 8620.
The relationship between case depth and bending fatigue. The properties of saeaisi 8620 steel include three common variations. Aisi sae 8620 vs 8620h alloy steel material otai special. Alloy steel aisi 8620 fasteners is high strength chromiummolybdenum alloy steel grade used for low temperature bolting fasteners applications. Sae 8620 alloy case hardening steel engineering steel. It can have the highest ductility among the saeaisi wrought steels in the database.
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