1.6582 steel, also known as 34CrNiMo6 steel, is an alloy steel with the EN numeric designation 1.6582 and the EN chemical designation 34CrNiMo6.

Chemical Composition

• Carbon (C)：0.30-0.38%
• Silicon (Si)：0.10-0.40%
• Manganese (Mn)：0.50-0.80%
• Phosphorus (P)：max 0.025%
• Sulfur (S)：max 0.035%
• Chromium (Cr)：1.30-1.70%
• Nickel (Ni)：1.30-1.70%
• Molybdenum (Mo)：0.15-0.30%

Advantages：

• High Strength：It has relatively high yield strength and tensile strength, making it suitable for applications that require high strength and heavy load
• Good Toughness：Exhibits good toughness, ensuring reliability and durability even under extreme condition
• Excellent Harden-ability：Can be hardened through heat treatment (quenching and tempering) to obtain the desired hardness and wear resistance
• Good Machining ability：Can be processed by various cutting processes and heat treatments into complex shapes or components

Applications

• Automotive Industry：Used for parts that bear high stress and impact loads, such as crankshafts, connecting rods, and transmission shafts
• Mechanical Engineering：Suitable for high-load components, such as gears, bearing rings, and friction couplings
• Aerospace Industry：Plays a key role in high-stress applications, and its robustness is important for heavy-duty components.
• Shipbuilding Industry：Applied to ship components that bear high stress and vibration load