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China, Chinese Tool Alloy Mold Steel Round Bar P20 Plastic Mould Steel 1.2311 Scm4 SKD-111 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsSpecial SteelDie Steel PlateSteel Sheets
Guangzhou Long Sheng Hing Trading Co., Ltd.
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Product Description Special Usage Mold Steel Size:Round bar: 3.2 to 410mmFlat bar: 10 to 90 x 105 to 610mmBlock: 100 to 200 x 400 to 600mmStandard: ASSAB XW-42/JIS SKD11/DIN 1.23794340 Steel Equivalent gradesGBDINAISIJIS 40CrNiMoA1.6582 4340SNCM8 Chemical CompositionCSiMnCr MoNiPS 0.38-0.430.15-0.350.60-0.800.70-0.90.20-0.301.65-2.000.03max0.03max Available sizeRound BarDiameterLength70-600mm2000-6000mmFlat BarThicknessWidthLength25-400mm200-800mm2000-6000mmSurface conditionBlack surface/ Grinded/ MachinedAnnealed hardnessHBS≤248Characteristicsspecial alloy steel, supplied in quenched and tempered conditions. High strength and tenacity, good hardenability.Characteristics1. Widely used plastic mold steel with excellent comprehensive mechanical properties, high hardenability, uniformed hardness throughout section for large size steel after quenching and tempering.2. With good polishing ability and low toughness.3. To be used directly after pre-hardening, guarantee good usability and avoid deformation after heat treatment for the mold.Applicationsheavily loaded parts for mechanical engineering and motor construction. 1. Suitable for making oversized or large size plastic molds with high precision and long service life.2. Used for making low melting-pointed alloyed die casting moulds, like Tin, Zinc, Lead.Heat TreatmentForgingHeat to 1150oC Hold till uniform.Minimum forging temperature 850oC.Cool slowly in ashes or sand etc.AnnealingHeat to 830oC-850oC.Cool infurnace.Stress RelievingAnnealed: Heat to 600oC-650oC.Hardened: Heat to 500oC-550oC.Cool in still air.HardeningHeat to 830oC-880oC.Quench in oil or polymer.TemperingHeat to 450oC-660oC cool in still air NB. Tempering within the range 250oC-450oC will result in temper brittleness and should be avoided. Chemical Composition (%)CSiMnPSCrMoNi0.350.201.30≤≤1.800.150.900.450.401.600.0300.0302.100.251.20Applications:XFD11 good toughness and wear resistance, suitable to make the blanking dies with a thickness over 6mm, drawing die and moreFeatures:XFD11 is a high-carbon and high-chromium alloy tool steelIt has good wear resistance and size ability after heat treatment and is suitable for making long-life high-precision cold-work dies.Pls talk more about the detailHope to keep a long time business realation.
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