The mechanical properties of 38NiCrMo4 KB steel grade include a tensile strength of 800-1000 MPa, a yield strength of 570-750 MPa, and an elongation of 11-14%. This steel grade also has good fatigue strength and is suitable for applications under high dynamic and cyclic loads.
The technical properties of 38NiCrMo4 KB steel grade include good hardenability, excellent toughness, and good machinability. It can be heat treated to achieve the desired mechanical properties and is often used in the quenched and tempered condition.
The chemical composition of 38NiCrMo4 KB steel grade includes 0.35-0.43% carbon, 0.50-0.80% silicon, 0.60-0.90% manganese, 1.60-2.00% nickel, 0.15-0.30% chromium, 0.20-0.35% molybdenum, and trace amounts of other alloying elements.
Overall, the 38NiCrMo4 KB steel grade is known for its high strength, good toughness, and excellent fatigue resistance, making it a suitable choice for demanding applications in the automotive and machinery industries.
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