What Is 40CrMnMoS8-6 Steel?
40CrMnMoS8-6 steel is a high-performance, low-alloy case hardening steel engineered for demanding industrial applications. Standardized under EN 10084, this grade is specifically designed to provide a unique combination of a hard, wear-resistant surface and a tough, ductile core after heat treatment. Industries value this material for its exceptional machinability, which is enhanced by a controlled sulfur content, making it ideal for manufacturing complex components like gears, shafts, and other high-stress mechanical parts.
The performance of the 40CrMnMoS8-6 material stems from its carefully balanced chemical composition. The inclusion of chromium, manganese, and molybdenum provides excellent hardenability and core strength, while the elevated sulfur content significantly improves chip-breaking characteristics during machining. This guide provides a detailed technical overview for engineers, procurement managers, and industrial buyers, covering everything from the steel's chemical makeup to its performance in various applications.
40CrMnMoS8-6 Applications
40CrMnMoS8-6 chemical composition
Forging & Workability
Machinability & Wear Performance
40crmnmos8 6 steel equivalent
40CrMnMoS8-6 Heat Treatment Process
40crmnmos8 6 steel properties
Corrosion Resistance
Case Hardening Behavior
Forms & Supply Conditions
40CrMnMoS8-6 vs Similar Grades
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Nifty Alloys LLC is a trusted 40CrMnMoS8-6 tool steel supplier in Dubai, UAE, offering premium quality DIN 40CrMnMoS8-6 / 1.2312 / P20+S plastic mould steel known for its excellent machinability, high strength, and good polishability. This sulphur-alloyed grade provides improved machining performance, good toughness, and uniform hardness, making it ideal for plastic moulds, die holders, injection mould tooling, and engineering components. We supply 40CrMnMoS8-6 steel in round bars, plates, and custom sizes with Mill Test Certificates (MTC) for full traceability and quality assurance. With ready stock and fast delivery, we serve across the UAE (Dubai, Abu Dhabi, Sharjah) and export to Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, along with global exports to Europe, Asia, Africa, and the Americas. For a reliable 1.2312 / P20+S tool steel stockist and exporter, Nifty Alloys ensures consistent quality, competitive pricing, and fast delivery.
