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Properties and application of 16MnD5 steel

16MnD5 steel is generally used in the quenched and tempered state, and the temperature range is -20~425℃.

16MnD5 steel mechanical properties:
Tensile strength σb (MPa): ≥620(63)
Yield strength σs (MPa): ≥375(38)
Elongation δ5 (%): ≥15
Reduction of area ψ (%): ≥40
Impact energy Akv (J): ≥39
Impact toughness value αkv (J/cm2): ≥49(5)
Hardness: unheated ≤241HB, annealed steel ≤217HB

16MnD5 steel mainly replaces 40Cr steel to make medium and small cross-section quenched and tempered parts, such as automobile half shafts, steering shafts, key shafts and machine tool spindles, gears. Parts with larger cross-sections. 16MnD5 steel can also be used instead of 40CrNi steel when making smaller parts.

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