EN 10084 17NiCrMo6-4 is a high-performance nickel-chromium-molybdenum alloy carburizing steel grade developed for components requiring a very hard, wear-resistant surface combined with an exceptionally tough and high-strength core after carburizing and heat treatment. With approximately 0.17% carbon and higher alloy content, this grade offers superior hardenability, deep case hardening capability, and outstanding fatigue strength under heavy dynamic loads. Manufactured in accordance with EN 10084, which specifies technical delivery conditions for steels intended for carburizing treatment, 17NiCrMo6-4 steel is widely used in automotive, heavy-duty gear manufacturing, and critical engineering applications. Nickel enhances core toughness and impact resistance, chromium improves wear resistance and case depth, while molybdenum increases hardenability and resistance to tempering, ensuring reliable performance under severe service conditions. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of EN 10084 17NiCrMo6-4 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 (17NiCrMo6-4): • 17 – Approx. 0.17% carbon content • Ni – Nickel alloyed steel • Cr – Chromium alloyed steel • Mo – Molybdenum alloyed steel • 6-4 – Alloy content classification (nickel/chromium and molybdenum levels) Chemical Composition (% – typical limits): • Carbon (C): 0.14 – 0.19 • Manganese (Mn): 0.50 – 0.80 • Silicon (Si): ≤ 0.40 • Nickel (Ni): 1.40 – 1.70 • Chromium (Cr): 1.50 – 1.80 • Molybdenum (Mo): 0.25 – 0.35 • Phosphorus (P): ≤ 0.025 • Sulphur (S): ≤ 0.035 Mechanical Properties (Core, typical normalized condition): • Tensile Strength: 950 – 1150 MPa • Yield Strength: ≥ 700 MPa • Elongation: ≥ 8% • Hardness (Core): 280 – 340 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 deep case hardening capability • Superior hardenability due to higher alloy content • Outstanding core toughness and fatigue strength • Improved resistance to tempering and thermal softening • Suitable for heavily loaded and shock-resistant components Material Characteristics: EN 10084 17NiCrMo6-4 round bars provide an optimal balance of deep surface hardness and strong, ductile core properties. The combined addition of nickel, chromium, and molybdenum ensures enhanced wear resistance, consistent case depth, and reliable performance in high-stress mechanical applications. Applications: • Heavy-duty gears and gear shafts • Automotive transmission components • Industrial gearbox and drive systems • Pinions and differential shafts • High-load machine components • Case hardened parts subjected to cyclic and shock loading Conclusion: Ladhani Metal Corporation supplies high-quality EN 10084 17NiCrMo6-4 round bars in various diameters and finishes. With excellent hardenability, deep carburizing capability, and superior mechanical strength, 17NiCrMo6-4 steel is widely preferred for demanding 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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