EN 10083-2 C40 High carbon steel sheets Delivery status

EN 10083-2 C40 High carbon steel sheets belong to igh strength and hardness, high elastic limit and fatigue limit (especially notched fatigue limit) after suitable heat treatment or hardening or in cold drawn,
cutting performance is acceptable but weldability and cold plastic deformation is poor . C40 High carbon steel sheets is generally after quenching or the lower surface of quenched by tempering or normalizing. Mainly for the manufacture of springs and wear parts.
EN 10083-2 C40 carbon steel sheetsMechanical properties:
Tensile strength σb (MPa): ≥590 (60)
Yield strength σs (MPa): ≥355 (36)
Elongation δ5 (%): ≥17
Reduction of area ψ (%): ≥45
Impact energy Akv (J): ≥47
Impact toughness αkv (J / cm2): ≥59 (6)
Hardness: no heat treatment, ≤229HB; annealed steel, ≤207HB
The elastic modulus E (kg / m2): 200 × 10 ^ 8
Sample size: Sample size is 25mm
Delivery status: Heat treatment(Normalizing, 860 ℃; quenching, 840 ℃; tempering, 600 ℃)
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