Engineering Steel High Tensile Round Bar

Made from 4340 nickel-chromium-molybdenum steel to balance durability, machinability, and toughness.

This 60mm product offers tensile strength of 850–1000MPa and hardness 248–302 HB.

• Applications: propeller shafts, connecting rods, gear shafts, rotors and discs
• Fabrication: see datasheet for machining, welding, and heat-treat guidance
• Limitations: Use in quenched and tempered condition; not a corrosion-resistant stainless.

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