EN 10084 20MoCr4 is a low alloy molybdenum-chromium carburizing steel grade designed for components requiring a hard, wear-resistant surface combined with a strong and tough core after carburizing and heat treatment. With approximately 0.20% carbon along with molybdenum and chromium additions, this grade offers excellent hardenability, improved core strength, and enhanced resistance to wear and fatigue compared to lower alloy carburizing steels. Manufactured in accordance with EN 10084, which specifies technical delivery conditions for steels intended for carburizing treatment, 20MoCr4 steel is widely used in automotive, heavy engineering, and power transmission industries. The chromium improves depth of hardening and wear resistance, while molybdenum enhances strength, tempering resistance, and overall mechanical stability after quenching and tempering. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of EN 10084 20MoCr4 round bars, supplied with mill test certificates and strict quality inspection as per European standards. Forms of Supply (as per grade): Hot rolled round bars, Black round bars, Bright round bars, Peeled bars, Turned bars, Ground bars, Forged round bars Explanation of Designation (20MoCr4): • 20 – Approx. 0.20% carbon content • Mo – Molybdenum alloyed steel • Cr – Chromium alloyed steel • 4 – Alloy content classification Chemical Composition (% – typical limits): • Carbon (C): 0.17 – 0.23 • Manganese (Mn): 0.60 – 0.90 • Silicon (Si): ≤ 0.40 • Chromium (Cr): 0.90 – 1.20 • Molybdenum (Mo): 0.20 – 0.35 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.035 Mechanical Properties (Core, typical normalized condition): • Tensile Strength: 900 – 1100 MPa • Yield Strength: ≥ 650 MPa • Elongation: ≥ 9% • Hardness (Core): 240 – 300 HB After carburizing and quenching, the surface hardness can reach approximately 58 – 62 HRC, depending on case depth and heat treatment conditions. Key Features: • Excellent carburizing response • Superior hardenability due to higher Cr and Mo content • High core strength with good toughness • Improved resistance to wear, fatigue, and temper softening • Suitable for heavily loaded components Material Characteristics: EN 10084 20MoCr4 round bars provide enhanced hardenability and strength compared to lower alloy grades. The increased chromium and molybdenum content allows deeper and more uniform case hardening, making the material suitable for high-stress and heavy-duty mechanical applications. Applications: • Heavy-duty gears and gear shafts • Transmission components • Drive shafts and axles • Pinions and sprockets • Automotive drivetrain parts • Industrial machinery components requiring deep case hardening Conclusion: Ladhani Metal Corporation supplies high-quality EN 10084 20MoCr4 round bars in various diameters and finishes. With improved hardenability, strong core properties, and reliable performance after heat treatment, 20MoCr4 steel is widely used in automotive and industrial engineering applications. For stock availability, customized sizes, or technical specifications, contact Ladhani Metal Corporation. #EN10084 #EN10084Steel #EN10084Bars #EN10084CarburizingSteel #EN10084CaseHardeningSteel #ENStandardSteel #AlloySteel #CaseHardeningSteel #CarburizingSteel #C10E #C15E #C16E #16MnCr5 #20MnCr5 #18CrNiMo76 #17Cr3 #20MnCrS5 #EngineeringSteelBars #AlloySteelBars #AlloySteelRods #RoundBar #FlatBar #SquareBar #HexBar #ForgingSteel #MachinerySteel #AutomotiveSteel #MechanicalSteel #GearSteel #PinionSteel #ShaftSteel #TransmissionSteel #HeatTreatableSteel #CaseHardenedSteel #SteelManufacturers #SteelSuppliers #SteelStockist #SteelExporter #IndianSteel #AlloySteelSupplier #EN10084Supplier #EN10084Manufacturer #EN10084Exporter #SteelBarsIndia #SteelRodsIndia #MetalIndustry #IndustrialSteel #EngineeringIndustry #HeavyEngineeringSteel #FabricationSteel #SteelTrading #SteelWholesale #LadhaniMetal #Mumbai #Delhi #Chennai #Kolkata #Bengaluru #Hyderabad #Ahmedabad #Pune #Surat #Jaipur #Lucknow #Kanpur #Nagpur #Indore #Thane #Bhopal #Visakhapatnam #Patna #Vadodara #Ghaziabad #Ludhiana #Coimbatore #Agra #Madurai #Nashik #Faridabad #Meerut #Rajkot #Varanasi #Srinagar #Aurangabad #Dhanbad #Amritsar #NaviMumbai #Allahabad #Ranchi #Howrah #Jabalpur #Gwalior #Vijayawada #Jodhpur #Raipur #Kota #Guwahati #Chandigarh #Solapur #Hubli #Mysuru #Tiruchirappalli #Bareilly
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