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AISI 4130 75K P+X Alloy Steel Round Bar1
Steel Products4130 75K P+X
Hunan Shunfu Metal Material Co., Ltd.
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Product Description AISI 4130 75K P+X Alloy Steel IntroduceAISI 4130 75K, PSL 3, API 6A Standards, Temperature Class P+X, NACE MR0175:2015 Chemical CompositionGradeCMnCrMoSiPSNiCuVH max. ppmMin.0.2800.4000.8000.1500.150------Max.0.3300.6001.1000.2500.3500.0250.0250.3500.3500.3002.000 Heat TreatmentNormalizing temperatureTime Austenizing temperatureTime Tempering temperatureTime Min. 1620oF (899oC)Min. 60 minutes1575 - 1625oF(857 - 885oC)Min. 60 minutesMin. 1238oF (670oC)Min. 60 minutesOil or Polymer or Water. For Water Quenching, the temperature of water shall not exceed 38oC (100oF) at start of quench. For bath-type quenching, the temperature of water shall not exceed 49oC(120oF) at any time during the quench cycle.Mechanical Propertiesas per ASTM E21-20 for P+X GradeYield strength minimum (0.2%)Tensile strength minimumElongation in 2" (minimum)Reduction Area (minimum)75 ksi (517MPa)95 ksi (655 MPa)18%35% Quality InspectionSpecimen test location & QTCCharpy V-notch impact at 21oC / -32oCHardness as per ASTM E10-18: On surface / 1" below surfaceVolumetric NDE 100% - UltrasonicMinimum hot work reduction ratio 4.0 to 1Grain size should be #S or Finer as per ASTM E112 - 13Surface inspection
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