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China, Chinese Plastic Mould Steel 3cr17+S SUS420f 1.2085 Die Cold/Hot Rolled Steel Block/Flat Bar1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Steel ProductsFlat Steelsteel platesteel
Ningbo Ningshing Precision Machinery Group Co., Ltd.
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Product Description Plastic Mould Steel 3cr17+S SUS420f 1.2085 Die Cold/Hot Rolled Steel Block/Flat BarEquivalenceAlSl / SAEDlN /W.NrJlSGB420FM1.2085 Chemical Composition (%)CSiMnPSCr0.28≤≤≤0.0515.000.381.001.400.0300.1017.00DimensionsShapeThink /Dia.(mm)Width(mm)Flat6-20020-900Block150-500200-1000Delivery ConditionEAF+LF+VD+(ESR), Hot Rolled or Forged, Black surface or Machined surface, UT 100% PassedWe offer two conditions of steel grade of 1.2085Annealed: Hardness≤235HBQ+T: Hardness 33-38HRC or as customizedCharacteristicsDIN 1.2085 is a kind of Corrosion-resistant tool steel with sulphur for plastic molds as well as aggressive plasticsand for application fields, where a corrosion resistance, good machinability and good mechanical properties are important. The same properties like 1.2316 with the addition of sulphur.ApplicationsDIN 1.2085 is mainly used in processes with chemically aggressive and acidic thermoplastics, PVC-aminoplastics, plastics for injection mold inserts or for special machine parts in the food industry. Used also in the application fieldof the automobile industry and machine construction.Forging TechniqueHeat TemperatureStart Forging TemperatureFinish Forging TemperatureCooling MethodSlowly heat to 800oC,then quickly heat to fin aL forging temperatule1160-1200oC>=850oCAsh coolinor sand cooling,with timely annealingAnnealingHeat Treatment 840 to 870°CSlow controlled cooling in furnace at a rate of 10 to 20°C/hr down to approx. 600°C, further cooling in air.Hardness after annealing: max. 229 HB.Stress relievingApprox. 650°CSlow cooling in furnace; intended to relieve stresses set up by extensive machining, or in complex shapes.After through heating, hold in neutral atmosphere for 1 - 2 hours.Hardening1000 to 1050°C / Oil, airHolding time after temperature equalization: 15 to 30 minutes.Obtainable hardness: 53-56 HRCTempering100 to 200°C (212 to 392°F)Slow heating to tempering temperature immediately after hardening / time in furnace 1 hour for each 20 mm of work piece thickness but at least 2 hours / cooling in air.What we can offer?We offer a wide range of steel products in a wide variety of dimensions and executions, acc.to the common international specifications or customerized.Machining and heat treatment are available.Also, we advise you in choosing the right materials. Shape AvailableSolid round barFlat barSquare barHexagon barBlockPlateSheetWire rodStrip AISIDINJISStockApplicationHot Work Tool SteelH111.2343SKD6√Die Casting Dies,Extrusion Dies, Hammer Dies,Ram Dies,Forging Diesetc.H131.2344SKD61√H101.2365SKD7 --1.2367-- L61.2714 / 1.2713SKT4√H121.2606SKD62 H211.2581SKD5√Cold Work Tool SteelD31.2080SKD1√Cutting Tools, Punching Tools, Shear Bladers, Reamers, Thread Rolling Dies, Calipers, Sockets etc.--1.2601~SKD11√D21.2379~SKD11√--1.2379 MODDC53 (Daido)√D61.2436-- O11.2510SKS3√O21.2842-- A21.2363SKD12 S11.2550-- S71.2357-- --1.2767SKT6 L21.2210-- PlasticMould SteelP201.2311--√Mold Base, Core & Cavity, Bumper Mold etc. P20+Ni1.2738--√P20+S1.2312--√--1.2316-- 4201.2083SUS420J2√----NAK80 (Daido)√Alloy Steel412025CrMo4 / 1.7218SCM420 Shafts, Gears, Drillers, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Crankshafts, Connecting Rods, Came, Couplings etc.413534CrMo4 / 1.7220SCM435 413034CrMo4 / 1.7220SCM430√414042CrMo4 / 42CrMoS4 / 1.7225 SCM440√414241CrMo4 / 1.7223SCM440 4145H---- 4330V---- 434034CrNiMo6 / 1.6582SNCM439 511516MnCr5 / 16MnCrS5 / 1.7131 512020MnCr5 / 20MnCrS5 / 1.7147SMnC420H 514041Cr4 / 41CrS4 / 1.7035SCr440√862021NiCrMo2 / 1.6523SNCM220 864040NiCrMo2-2 / 1.6546SNCM240 --18CrNiMo7-6 / 17CrNiMo6 / 1.6587-- 984036CrNiMo4 / 1.6511-- E7140041CrAlMo7-10 / 1.8509SACM1 --34CrAlNi7 / 1.8550-- Bearing SteelE52100100Cr6 / 1.3505SUJ2√Bearing, Shaftsetc.--100CrMn6 / 1.3520-- --100CrMo7-3 / 1.3536-- Spring Steel515555Cr3 / 1.7176SUP9 Springs615051CrV4 / 1.8159SUP10 926160CrSi7 / 1.7108-- Carbon Steel1010CK10 / C10E / 1.1121S10C Shafts, Chains, Bolts, Nuts, Pins, Suds, Keys, Bites, Came, Couplings etc.1020C22 / 1.0402S20C√1040CK40 / C40E / 1.1186S40C√1045CK45 / C45E / 1.1191S45C√1050CK50 / C50E / 1.1206S50C√1055CK55 / C55E / 1.1203S55C 1064CK60 / C60E / 1.1221S58C High Speed Tool SteelM21.3343SKH51√Reamer,End-mill,Hob, Cutter, Bite, Drill, Punch, Tap, Broochetc.M71.3348-- M421.3247SKH59√M351.3243SKH55√T11.3355SKH2 T151.3202-- T421.3207SKH57 Note:1). √ means we have stoc.2). Delivery Condition:Smelting: EAF+LF+VD (+ESR).Making: Hot rolled, Cold rolled, Forged, Cold Drawn.Heat Treatment: Untreated, Annealing, N+T, Q+T.Surface: Black, Peeled, Turned, Milled, Grinded, Polished. Q1: What is Ningbo Ningshing Precision Machinery Group Co., Ltd ?A1: Ningbo Ningshing Precision Machinery Group Co., Ltd., formerly known as Ningbo Ningshing Special-Steel Group Co., Ltd., is the leading distributor of Special Steel, and also a professional mold base maker in China. Our business involves special steel trading, machining processing, mold base making, heat treatment, CNC machines manufacturing.Q2: Are you a manufacturer or a trader? A2: For Special Steel, we are the one of the leading distributors and service center in China. 9 warehouses with over 50,000 tons of regular stock. Our workshop has various kinds of equipments for sawing, milling, grinding, drilling etc.For mold base, we are a professional manufacturer, with 24 sets of CNC machines, 3 axis and 5 axis, CMM for inspection. We produce medium-large sized mold base for plastic injection mold and die casting die.Q3: How do you control the quality of steels?A3: Firstly, we have very close and deep relationship with Chinese Prime Mills, choose supplier carefully, and regard them as the long term business partner. Based on the long term cooperation, we concentrate on special steel business and expand the market step by step. Secondly, we have own technical center which is formed by the experienced engineers and technicians whom ever worked for prime mills. We control the quality in production process, in-out warehouse.Q4:: Which kind of processing can you do?A4: We do machining processing like cutting, milling, grinding, turning, peeling, drilling, CNC machining. Meanwhile, we do vacuum heat treatment for die and mold.
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