EN 10083-3 42CrMo4 is a high-strength chromium-molybdenum alloy steel grade widely used for components requiring excellent tensile strength, superior toughness, and outstanding hardenability after quenching and tempering. With a nominal carbon content of approximately 0.42%, this grade offers higher strength levels compared to 34CrMo4, making it suitable for heavily loaded and dynamically stressed parts. Manufactured in accordance with EN 10083-3, 42CrMo4 steel provides deep hardening capability and consistent mechanical properties across larger cross-sections. The combination of chromium and molybdenum enhances wear resistance, fatigue strength, and resistance to tempering softening. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of EN 10083-3 42CrMo4 alloy steel bars, supplied with mill test certificates and strict quality assurance as per international standards. Forms of Supply (as per grade): Hot rolled round bars, Black round bars, Forged bars, Bright bars, Peeled bars, Turned bars, Ground bars, Square bars, Flat bars, Hex bars Explanation of Designation (42CrMo4): • 42 – Approx. 0.42% carbon content • Cr – Chromium for improved hardenability and wear resistance • Mo – Molybdenum for enhanced strength and resistance to tempering softening • 4 – Indicates alloying content range as per EN standard Chemical Composition (% – typical limits): • Carbon (C): 0.38 – 0.45 • Manganese (Mn): 0.60 – 0.90 • Silicon (Si): ≤ 0.40 • Chromium (Cr): 0.90 – 1.20 • Molybdenum (Mo): 0.15 – 0.30 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.035 Mechanical Properties (Typical, quenched & tempered condition): • Tensile Strength: 1000 – 1200 MPa • Yield Strength: ≥ 850 MPa • Elongation: ≥ 10% • Hardness: 280 – 340 HB (depending on section size and heat treatment) Key Features: • High tensile and yield strength • Excellent hardenability for thick sections • Good fatigue and impact resistance • Reliable performance under dynamic loading • Suitable for heavy-duty engineering components Material Characteristics: EN 10083-3 42CrMo4 alloy steel bar offers exceptional strength and toughness after heat treatment. The chromium-molybdenum alloying ensures deep hardening capability and consistent mechanical properties throughout the cross-section. It performs well under cyclic stress and heavy mechanical loads. Applications: • Heavy-duty shafts and axles • Gears and gear shafts • Crankshafts and connecting rods • High-strength bolts and studs • Oil and gas equipment components • Construction and mining machinery parts Conclusion: Ladhani Metal Corporation supplies premium quality EN 10083-3 42CrMo4 alloy steel bars in a wide range of diameters and finishes. Known for superior strength, hardenability, and fatigue resistance, 42CrMo4 steel bars are ideal for demanding automotive, mechanical, and heavy engineering applications. For stock details, custom sizes, or technical specifications, contact Ladhani Metal Corporation. #EN10083 #EN100833 #EN100833Steel #EN10083AlloySteel #EN10083EngineeringSteel #ENStandardSteel #AlloySteel #ChromiumSteel #34Cr4 #42Cr4 #50Cr4 #EngineeringSteelBars #AlloySteelBars #AlloySteelRods #RoundBar #FlatBar #SquareBar #HexBar #ForgingSteel #MachinerySteel #AutomotiveSteel #MechanicalSteel #ShaftSteel #GearSteel #AxleSteel #CrankshaftSteel #BoltSteel #MachinePartsSteel #HeatTreatableSteel #NormalizedSteel #AnnealedSteel #QuenchedTemperedSteel #SteelManufacturers #SteelSuppliers #SteelStockist #SteelExporter #IndianSteel #AlloySteelSupplier #EN100833Supplier #EN100833Manufacturer #EN100833Exporter #SteelBarsIndia #SteelRodsIndia #MetalIndustry #IndustrialSteel #InfrastructureSteel #EngineeringIndustry #HeavyEngineeringSteel #FabricationSteel #SteelTrading #SteelWholesale #LadhaniMetal #Mumbai #Delhi #Chennai #Kolkata #Pune #Ahmedabad #Hyderabad #Bengaluru #Coimbatore #Surat #Vadodara #Rajkot #Nashik #Indore #Nagpur #Ludhiana #Faridabad #Noida #Visakhapatnam #Bhubaneswar #Jamshedpur #Patna #Ranchi #Jaipur #Lucknow #Kanpur #Bhopal #Chandigarh #Amritsar #Kochi #Trivandrum #Goa #Aurangabad #Salem #Hosur #Durgapur #Guwahati #Vapi #Ankleshwar #Morbi #Thane #Belgaum #Vijayawada #Madurai #Erode #Kolhapur #Hubli #Udaipur #Raipur #Bilaspur #Agra #Varanasi #Meerut #Jodhpur #Bhavnagar
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