Sae 8620 standard pdf

Content provider society of automotive engineers sae add to alert. In the carburized condition this alloy is used for gears, ring gears, shafts and crankshafts. Aisi 9xxx for other aisi or nonaisi, please use the search function above or check grades. Saeaisi 8620 steel is an alloy steel formulated for primary forming into wrought products. The relationship between case depth and bending fatigue. Aug 05, 20 sae 8620 is a low nickel chromium molybdenum case hardening carburising steel. It can have the highest ductility among the sae aisi wrought steels in the database. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. Sae 8620 alloy case hardening steel engineering steel. Heat treatment quenching, hardening, and other thermal modifications p. The following table shows the chemical composition of aisi 8620 alloy steel. Defining and measuring vehicle seating accommodation author. It is a sturdy alloy, largely composed of carbon, with many uses in the manufacturing trades. Sae 8620 can be supplied as steel plate sheet, round steel bar, steel tubepipe, steel stripe, steel billet, steel ingot, steel wire rods.

Carburised and heat treated it develops a hard wear resistant. Pdf on nov 29, 2018, dorin ioan feldiorean and others published studies on the. The alloy shows good strength and toughness properties, and has a higher core strength than grades 8615 and 8617. Can be supplied in h condition with controlled hardenability. Sae ams 6277h2016 sae ams6277h2016 steel, bars, forgings, and tubing 0. Sae 8620h nickel chromium molybdenum steel matmatch. This grade is commonly supplied in round bar also conforming to the aisi 8620 standard. 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. Usaloy 8620usen 8620 carbon low alloy steel colour. The properties of saeaisi 8620 steel include three common variations. This alloy steel is flexible during hardening treatments, thus enabling improvement of casecore properties. About 68% of these are steel round bars, 3% are steel sheets, and 7% are steel pipes. Carburizing steels for case hardening usually have basecarbon contents of approximately 0.

The case hardening depth is according to the standard 3, the. This page is mainly introduced the sae 8620 datasheet, including chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and micro structure, etc. Defining and measuring vehicle seating accommodation. Sae steel 8620 offers high external strength and good internal strength, making it highly wear resistant. Sae j1249former sae standard and former sae exsteels sae aerospace material specifications ams index 2. See the chemical composition and physical properties of sae 8620h, find alternative materials, and connect with suppliers. 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.

The bending fatigue strength of the gas carburized specimens was found to be dependent upon their case depth. Saeams6277h2016ams6277hsteel, bars, forgings, and tubing 0. Properly hardened and formed, it can be used to make hardwearing machine parts. Pdf studies on the carburizing process of aisi 8620 steel. Case hardening steel bar 8620h atlas 8620h atlas steels. Effect of case depth on fatigue performance of aisi 8620. 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. The following datasheet will provide more details about aisi 8620 alloy steel. Alloy steel aisi 8620 fasteners is high strength chromiummolybdenum alloy steel grade used for low temperature bolting fasteners applications. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Table of steel equivalent grades en, saeaisi, uns, din.

Carburised 8620 gives a hard case with a strong core whilst retaining a remarkable degree of toughness. We welcome export enquiries for 8620 case hardening steel. It behaves much like nital but is more uniform in its action. Devices for use in defining and measuring vehicle seating accomodation 49 cfr 571.

Sae 8620 steel specification and relevant standards. Aisi 8620 steel has a higher core strength than grades 8615 and 8617. Otai special steel is 8620 alloy steel stockholders and. This alloy may be used in the production of mediumstrength parts such as forged camshafts, fasteners and gears. Some equivalent standards may be stricter whereas others may be outside the bounds of the original 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. Aisi 8620 alloy steel is a common, carburizing alloy steel. The properties of sae aisi 8620 steel include three common variations.

Atlas 8620h complies with as1444 grade 8620h andor astm a29 grade 8620. 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. The steel alloy of grade 8620 is also called nickelchromiummolybdenum steel. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier. 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. Secure pdf files include digital rights management drm software. 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. 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 will evaluate your request and get back to you soon. Aisi sae 8620 vs 8620h alloy steel material otai special. It can have the highest ductility among the saeaisi wrought steels in the database. It also i s excellent for revealing the diffusioncontrolled products ferrite, pearlite, and bainite, as well as the. Sae aisi 8620 steel is an alloy steel formulated for primary forming into wrought products. Alloy steel 8620 is a casehardening steel containing nickel, chromium and molybdenum as alloying elements. Alloy steel aisi 8620 fasteners, as aisi 8620 bolts, aisi. Jul 24, 2010 table of steel equivalent grades en, sae aisi, uns, din, bs, uni, jis the table below compares steel equivalent grades of materials from various international specifications.

Aisi 8620 steel is a low alloy nickel, chromium, molybdenum case hardening steel. Astm a29 8620 8620h is a low nickel chromium molybdenum case hardening steel. There is a relationship between case depth and bending fatigue strength of gas carburized sae 8620 steels, and the thicker case depth results in a lower fatigue life. Characterised by good core strength and toughness in small to medium sections with case hardness up to rc62 when carburized, hardened and tempered. And u nlike picral, it will reveal the structure of asquenched martensite. See the chemical composition and physical properties of astm a534 grade 8620h, find alternative materials, and connect with suppliers. 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. Sae 8620 alloy case hardening steel engineering steel supplier. 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. In this study, aisi 8620 steel was boronized using the solid state boronizing technique. Sae 8620 is suited for applications which require a combination of toughness and wear resistance.

These steels are more responsive to mechanical and heat treatments than carbon steels. For more design assistance contact our plant or consult the machinery handbook, published by industrial press inc. Astm a534 grade 8620h nickel chromium molybdenum steel. Boring and millung machines with horizontal spindle. Aisi 8620 is a hardenable chromium, molybdenum, nickel low alloy steel often used for carburizing to develop a casehardened part. Note that materials compared are the nearest available grade and may have slight variations in actual chemistry. A wide variety of sae 8620 steel options are available to you, such as technique, grade, and standard.

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