16MnCr5 16MnCr5S Case Hardening Steel-High-strength Alloy Steel-Alloy Structure Steel-Heat Treated

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Applications Alloyed case hardening steel for parts with a required core tensile strength of 800 – 1100 N/mm² and good wearing resistance as piston bolts, camshafts, levers and other vehicle and mechanical engineering components. Higher stressed components – gears, shafts, crankshafts, connecting rods, cam shafts, etc. Back to Top Features • Calcium treated steel for Inclusion modification • Contains soft, deformable calcium aluminates encapsulated in manganese sulphide rather than hard alumina oxide inclusions • Tightly controlled hardenability • Controlled analysis for repeatable strength and fatigue properties • Grain size 5 or finer Back to Top Benefit The modified inclusions are less abrasive to cutting tools, acting as a lubricant and barrier at the tool /workpiece interface.Compared with the standard grade the IM steel gives: • Improved machinability with reduced machining cost • Up to 30% longer tool life for a given cutting speed • Up to 20% higher cutting speeds for a given tool life Back to Top All Grades Comparison DIN 17210 UNI 7846 ISO 683-11 AFNOR 35-551 16MnCr5 16MnCr5 16MnCr5 16MC5 Material No. BS970 ASTM A29M GOST 1.7131/1.7139 527M17/590M17 5115 18HG Back to Top Chemical Composition(%) C Mn Si P S Cr 0.14-0.19 1.10–1.30 0.40 max 0.035 max 0.035 max 0.80–1.10 Back to Top Mechanical Properties( T=20°C if not differently stated ) Heat treatment state Diameter(mm) Rm (Mpa) QUENCHED AND TEMPERED 16 max 1000 min QUENCHED AND TEMPERED 16-40 900 min QUENCHED AND TEMPERED 40-100 700 min Back to Top HEAT TREATMENT AND HOT PLASTIC DEFORMATION TEMPERATURES - TEMPERATURE ° C Cooling Medium Forging or hot rolling 850-1100 air Normalizing 840-870 air Soft Annealing 650-700 furnace 207HB max Carburising 880-980 / Core hardening 860-900 oil Intermediate annealing 650-700 / Case hardening 780-820 oil Tempering 150-200 / Shanghai Unite Steel CO.,LTD Cindy Liu Tel: +86--021--35316960-811 Fax: +86--021--35316961 SKYPE:ustcindy Email:cindyliu@shunitesteel.com www.shunitesteel.com www.shunitesteel.com.cn

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Shanghai Unite Steel Trading Co., Ltd.

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