Round steel refers to the solid section for circular strip steel.Its specifications expressed as a number of mm in diameter, such as ""50"" indicates that the diameter of 50 mm round steel.Round steel hot rolling, forging and cold drawn three kinds.The specifications of the hot rolled round steel of 5.5 to 250 mm.5.5-25 mm small round steel are 1 6523 sae8620 20crnimo alloy steel plate for mechanical(plate) 8620 Case Hardening Steel Interlloy Engineering Steels 1 6523 sae8620 20crnimo alloy steel plate for mechanical(steel) 8620 is a low nickel - chromium - molybdenum medium hardenability, case hardening (carburizing) steel, generally supplied in the as rolled condition with a maximum brinell hardness of 280 (Rc30).Characterised by good core strength and toughness in small to medium sections with case hardness up to Rc62 when carburized, hardened and tempered.8620 can also be used (uncarburised)
sae 1045 4140 4340 8620 8640 alloy steel Tool Steel plate . China Steel Round Bar AISI 4140, 4340, 8620, 4320, 1045, 1020, Find details about China Steel Round Bar Aisi 4140, Steel Round Bar 4140 from Steel Round Bar AISI 4140 SAE 4140 - Steel grades This page provides SAE 4140 datasheet download, these include SAE 4140 mechanical properties, chemical element SAE 4140, technical (plate) SNCM220 Alloy Steel Supply from Taiwan - JFS Steel steel 1 6523 sae8620 20crnimo alloy steel plate for mechanical(steel) Equivalent Grades GB 20CrNiMo, JIS SNCM220, ASTM 8615, 8617, 8620, 8622, DIN 20MoCr4. SNCM220 is mainly used for automobile bearings, drive shafts, gears, screws, cutting tools and other products which need impact resistance and wear resistant. SNCM220 is a common type of alloy carburizing steel or bearing steel with the surface of high hardness, abrasion resistance and contact
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