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Free Cutting 42CrMo4/4140 Flat/Round Bar Plastic Mold Steel Plate Metal Sheet Pipe¹

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Product Description Product DescriptionFree Cutting 42CrMo4/ 42CrMo/ 4140/ Flat Bar/Steel Block/Round Bar Plastic Mold Steel4140 Steel Block and Flat, A or Q+TProduct ParametersEquivalenceAISI/SAEDIN/W.NrJISGB414042CrMo4SCM44042CrMo42CrMoS41.7225Chemical Composition (%)Steel GradeCSiMnPSCrMo42CrMo4 1.72250.38≤0.60≤≤0.900.150.450.400.900.0350.0351.200.3042CrMoS40.38≤0.60≤0.0200.900.150.450.400.900.0350.0401.200.3041400.380.150.75≤≤0.800.150.430.351.000.0350.0401.100.25SCM4400.380.150.60≤≤0.900.150.430.350.850.0350.0401.200.3042CrMo0.380.170.50≤≤0.900.150.450.370.800.0350.0351.200.25Dimensions Hot RolledForgedCold DrawnDiameter(mm)10-260150-15002.5-70Length(mm)4000-100003000-100004000-10000Forging TechniqueHeat TemperatureStart Forging TemperatureFinish Forging TemperatureCooling Method1150-1200oC1130-1180oC≥850oCSlow Cooling for Φ>50mm Delivery ConditionEAF+LF+VD, Hot Rolled, Forged and Cold Drawn, Black surface or Machined (Peeled, Turned, Grinded),Untreated or Annealed or Q+T, UT 100% Passed Characteristics1. Ultrahigh strength steel with high intensity and toughness.2. Good harden ability, High fatigue limit and capability of impact resistance after Q+T.3. No obvious temper brittleness. Applications1. For making crucial mechanical parts with high intensity and large sections, such as shaft, gear and connecting rod.2. For making large and medium size of plastic mold. Our AdvantagesWhat 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 Note1). √ means we have stoc2). Delivery Condition:Smelting: EAF+LF+VD (+ESR)Making: Hot rolled, Cold rolled, Forged, Cold DrawnHeat Treatment: Untreated, Annealing, N+T, Q+TSurface: Black, Peeled, Turned, Milled, Grinded, PolishedCompany ProfileFAQQ1: 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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