Jiangyin Golden Machinery Equipment Co., Ltd.  

Product Name: Chrome Plated 2205 F51 S31803 Steel Grinding Round Model NO.: chrome plated 2205 steel grinding round Application: Tool Steel Bar Special Use: High-strength Steel Plate, Cold Heading Steel Surface Treatment: Polished Shape: Bar Technique: Cold Rolled Composition: Ferrous Steel Scrap Standard: AISI, ASTM, DIN Type: Round Size: 1/2'' to 200'' Technology: Casting Name: S31803 Steel Grinding Round Bar Od: 1/4'' to 500'' Trademark: f51 steel grinding round bar Transport Package: Box or Wooden Package Specification: s31803 steel grinding round Origin: China HS Code: 73269090 Product Description Name:Hard chrome plated s31803 f51 2205 steel grinding round barFeatures:(1) Shaft: sae4140 sae4340 Cold drawn steel, or as request.(2) Bearing: Single&Double Row Deep Groove Ball Bearing.(3) Seals: Grease retaining inner seal with Multi-stage Labyrinth and Retention Cap with Outboard Rubbing Flinger Seal.(4) Lubrication: Grease is Lithium soap type grease with Rust Inhibitors.(5) Welding: Mixed gas shielded arc welding end(6) Painting: Ordinary painting, hot galvanized painting, electric static spraying painting, baked paintingCertificates: ISO, SGS. PEDStandards: GB/T13792-92, ISO9001: 2008, CEMA, JIS.WindTurbineShaft42CrMo4,34CrNiMo6MarineShaftC-MnsteelHydroTurbineShaft20SiMnRollerShaft70Cr3Mo;9Cr2Mo;MC1;MC2;MC3GearShaft17CrNiMo6;18CrNiMo7-6;20CrNi2Mo;42CrMo;47CrNiMo6,20CrMnMoGear17CrNiMo6;18CrNiMo7-6;20CrNi2Mo;42CrMo;47CrNiMo6,20CrMnMo,30CrNiMo6PressureVesselForgingsSA105,SA350LF2,16Mn,20MnMo,15MnMo,12Cr2Mo1,14Cr1Mo,42CrMo,F304,F316,17-4PH,4330,4336,4340RingRolling16Mn,50Mn,42CrMo,15MnV,35CrMo,A105,20#,304,304L,316,316LApplication:Coal industry, power industry, cement industry, harbor, metallurgy.Quality warrantyRunning resistance factors: Less than 0.02Radial circular run-out: Less than 0.6mmRotating resistance: Less than 1.9NAxial load: More than 20000NAxial displacement: Less than 0.25mmItemProcessFacilityInspectionitemsStandard01SteelmaterialinspectionChemicalcomposition(EF+LF+VD)MaterialstandardsurfaceIngotinspectionspecificationIngottypeandweightMaterialstandard02MaterialstoreDivisionputwarehousemanagement1HeatHeatfurnaceTemperature/TimeHeatingprocessspecificationForgingproductionprocedure2↓ForgingPressReductionratio,forgingtemperature,deformation,SurfaceanddimensionsForgingprocesscardForgingprocedure3↓Heattreatmentheattreatmentfurnaceheattreatmentcharts1stheat-treatmentcardForgingprocedure4↓RoughinspectionDimensions,apperance,MarkInspectionspecificationForgingprocedure5↓RoughUTUTequipmentSingledefect,concentratedDefectsbottomwaveattenuationUTstandardorcustomer'stechnicalrequirements6↓SawcuttingSawmachineDimensionIQCandforging7↓roughturningturning-latheDimension,appearanceRoughmachiningdrawing8↓UTUTequipmentSingledefect,concentrateddefects bottomwaveattenuationUTstandardorcustomer'stechnicalrequirements9↓Q+TheattreatmentheattreatmentfurnaceheattreatmentchartsHeatingprocessspecification10↓Samplingormachiningmachiningtoolroughmachiningdrawingsamplingdrawingsamplemachiningdrawing11↓mechanicalpropertytesttensiletestingmachine/impacttestingmachineambienttemperature,humidity,Testtemp.Sampledimension,testmethodStandardtechnicalspecification12↓finishmachiningmachiningtoolDimension,appearancefinishmachiningdrawing13↓UTUTequipmentSingledefect,concentratedDefectsbottomwaveattenuationUTstandardorcustomer'stechnicalrequirements14↓MTMTequipmentMagneticparticleindicationTeststandardorTechnicalrequirements15↓MarkSteelsealmarkingcontentProductstandardTechnicalrequirementsForgingprocess16↓FinalinspectionAppearance,dimension,markacceptanceinspectionProductinspectionspecificationProductstandardP.O.17Protection/packageBlastingBlastingequipmentappearancecoatingthicknessProductstandardTechnicalrequirements