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EN 10083-3 42CrMoS4 is a resulphurized chromium-molybdenum alloy steel grade developed for applications requiring very high strength, excellent hardenability, and improved machinability. With a nominal carbon content of approximately 0.42%, this grade delivers superior tensile strength and wear resistance after quenching and tempering, while the addition of sulphur (S) enhances machining efficiency compared to 42CrMo4. Manufactured in accordance with EN 10083-3, 42CrMoS4 steel is widely used in heavy-duty engineering applications where components must withstand high stress and dynamic loading. Chromium improves hardenability and wear resistance, while molybdenum increases strength and resistance to tempering softening. Ladhani Metal Corporation is a leading manufacturer, supplier, and exporter of EN 10083-3 42CrMoS4 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 (42CrMoS4): • 42 – Approx. 0.42% carbon content • Cr – Chromium for improved hardenability and wear resistance • Mo – Molybdenum for enhanced strength and resistance to tempering softening • S – Resulphurized for improved machinability • 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 • Sulphur (S): 0.020 – 0.040 • Phosphorus (P): ≤ 0.025 Mechanical Properties (Typical, quenched & tempered condition): • Tensile Strength: 1000 – 1200 MPa • Yield Strength: ≥ 850 MPa • Elongation: ≥ 9 – 11% • Hardness: 280 – 340 HB (depending on section size and heat treatment) Key Features: • Very high tensile and yield strength • Excellent hardenability for thick sections • Improved machinability compared to 42CrMo4 • Good fatigue and impact resistance • Suitable for heavy-duty, precision-machined components Material Characteristics: EN 10083-3 42CrMoS4 alloy steel bar combines the high strength and deep hardening capability of chromium-molybdenum steel with enhanced machinability due to sulphur addition. It ensures consistent mechanical properties across large cross-sections and performs reliably under cyclic and heavy loads. Applications: • Heavy-duty shafts and axles • Gear shafts and transmission components • Crankshafts and connecting rods • High-strength bolts and studs • Oil and gas equipment parts • Construction and mining machinery components Conclusion: Ladhani Metal Corporation supplies premium quality EN 10083-3 42CrMoS4 alloy steel bars in a wide range of diameters and finishes. With superior strength, hardenability, and improved machinability, 42CrMoS4 steel bars are ideal for demanding automotive, mechanical, and heavy engineering applications. For stock details, customized 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

EN 10083-3 34CrMoS4 is a resulphurized chromium-molybdenum alloy steel grade developed for components requiring high strength, good hardenability, and improved machinability. With a nominal carbon content of approximately 0.34%, this grade offers a strong balance between strength and toughness, while the addition of sulphur (S) enhances machining performance compared to non-resulphurized grades such as 34CrMo4. Manufactured in accordance with EN 10083-3, 34CrMoS4 steel is suitable for quenching and tempering applications where both mechanical strength and efficient machining are required. Chromium improves hardenability and wear resistance, while molybdenum increases strength and resistance to tempering softening. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of EN 10083-3 34CrMoS4 alloy steel bars, supplied with mill test certificates and strict quality assurance. 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 (34CrMoS4): • 34 – Approx. 0.34% carbon content • Cr – Chromium for improved hardenability and wear resistance • Mo – Molybdenum for enhanced strength and resistance to tempering softening • S – Resulphurized for improved machinability • 4 – Indicates alloying content range as per EN standard Chemical Composition (% – typical limits): • Carbon (C): 0.30 – 0.37 • Manganese (Mn): 0.60 – 0.90 • Silicon (Si): ≤ 0.40 • Chromium (Cr): 0.90 – 1.20 • Molybdenum (Mo): 0.15 – 0.30 • Sulphur (S): 0.020 – 0.040 • Phosphorus (P): ≤ 0.025 Mechanical Properties (Typical, quenched & tempered condition): • Tensile Strength: 900 – 1100 MPa • Yield Strength: ≥ 700 MPa • Elongation: ≥ 10 – 12% • Hardness: 260 – 320 HB (depending on section size and heat treatment) Key Features: • High strength Cr-Mo alloy steel • Improved machinability due to sulphur addition • Excellent hardenability for thick sections • Good fatigue and impact resistance • Suitable for heavily machined components Material Characteristics: EN 10083-3 34CrMoS4 alloy steel bar combines the strength and hardenability of chromium-molybdenum steel with enhanced machining performance. It provides uniform mechanical properties after quenching and tempering, making it ideal for precision-machined heavy-duty components. Applications: • Machined shafts and spindles • Automotive drivetrain components • Gear shafts • High-strength bolts and studs • Oil and gas mechanical parts • Heavy engineering machinery components Conclusion: Ladhani Metal Corporation supplies premium quality EN 10083-3 34CrMoS4 alloy steel bars in a wide range of diameters and finishes. With high strength, reliable hardenability, and improved machinability, 34CrMoS4 is an excellent choice for demanding engineering and industrial applications. For stock availability, 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

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